dsafd: يونيو 2015

الأربعاء، 24 يونيو 2015

How to Know Your Computer Configuration Easily

If you don't know your computers configurations like how much RAM is used, which operating system was installed, what's the name of computer, you can find them easily from DirectX Diagnostic Tool. By using this tool you can find not only these things but also know about the configuration of display adapter, sound and input devices. Here is a sort and very easier method to find out those information about computer configuration.

How to Open DirectX Diagnostic Tool

To open DirectX Diagnostic Tool, go to Run and type "dxdiag" then click on OK. The DirectX Diagnostic Tool dialog box will appear which gives information about the following.

On the System Tab, you can find the following information.

Machine name:         It includes the name of your computer.
Operating System:   It includes the name of Operating system installed on your computer.
Language:                 It includes the language used on computer.
System Manufacturer: It includes the manufacturer name of system.
System Model:             It includes model number of the system.
Processor:                    It includes the information about the processor.
Memory:                      It includes how much RAM is used on computer.

On the Display Tab, you can find the following information.

Card name:        It is the name of Display Adapter
Manufacturer:   It is the name of manufacturer of display adapter.
Chip type:    It is the type of Graphics Chip

On sound Tab, you can find the information about your sound devices attached on computer.

And the last Tab of DirectX Diagnostic Tool is input, which includes information about input devices used in computer.

How to Know Computer Supports 32-bit or 64-bit

There are different methods to get information about your processor that supports 32-bit or 64-bit and the installed operating system is 32 or 64 bit, I have presented some of them below.

1. At first, go my computer, right click on it and click on properties option or go to control panel and click on system option.

2. Here the system properties window will appear, on the system block you can find the information about your system model, processor type, installed memory(RAM) and system type which includes what type OS installed 32 or 64 bit and processor supports 32 or 64 bit. Here in the image below system has 32-bit operating system and have 64-bit processor, so in this computer 64-bit operating system can be installed.

How to Get System Information on Windows 8

On windows 8 you can find system information from PC settings also. You can get PC information from PC settings with the following steps.

At first, search PC setting from window start and open it.
Go to PC and devices and then PC info.

How to Get System Information on Windows 8

Top 5 Free Methods to Make Your Computer Faster

If your computer runs slowly during start-up or while running application programs or browsing websites, it is possible to make it run faster even using very simple methods. You can make your computer faster by applying very simple techniques or methods. Here I am going to describe those methods along with their steps to perform it. Follow these methods and feel your computer is running faster then before.

# Delete Temporary Files

If there are lots of temporary files are stored on computer, may slow down your computer. So it may be helpful to increase the speed of your computer, if it has been deleted. Here are the steps to delete temporary files from your computer.

At first, go to Run from start menu and type "%temp%" on it and click on OK. Then the following window will appear, delete them by selecting All.

#Remove Unnecessary Programs From Startup

The application programs which are placed on startup runs while starting your computer, which may slow down your computer. You can remove unnecessary programs from startup using the steps given below.

Right click on Task bar and click on task manager as given below.
Then Task manager dialog box will appear, click on startup tab where the programs are listed which are placed on startup. Click on the program which you don't want to run on starting and then click on Disable button.

# Empty Your Recycle Bin and Clear Your Desktop

Deleting items from recycle bin and removing unnecessary files from desktop also helps to improve the speed of you computer.
To make your recycle bin empty, go to recycle bin which is located on desktop and go to Manage tab and click on "Empty recycle bin".

# Uninstall Unnecessary Application Programs

You can also make your computer faster by uninstalling unnecessary application programs from your computer.

To uninstall programs from your computer, at first go to control panel and click on uninstall program located under programs, select the required program you want to uninstall and click on uninstall as given below.

# Delete Browsing History and Internet Cookies

Deleting browsing history and internet cookies also helps to improve the speed of your computer. Here are the steps to delete browsing history from your computer.

To remove history and cookies from Mozilla firefox, go to menu and click on history button as given below.
Then clear history dialog box will appear, select everything to clear and click on Clear now button.
To remove history and cookies from Google chrome, go to menu and click on history button, then the following dialog box will appear "select the beginning of time" and click on clear browsing data as given on image below.

الأحد، 21 يونيو 2015

How to Keep Computer from Sleeping

When the computer is not being used for some duration of time i.e. 5, 10 or 15 min, the screen will automatically turned off to save the power used by the computer. It's happened due to what settings are saved on power option on control panel. From this option, you can choose power and display settings that you want on your computer. In this post I am describing "how to keep computer from sleeping" and the other methods to adjust power setting for computer.

How to Change Sleep and Display Setting

You can change sleep and display setting to make computer how long time it will display while it is not being used. Here below explained with steps to change its setting.

At first, go to control panel and choose power options. On the power option window, you can see different power plans like balanced, power saver and high performance.
Click on the option "Choose when to turn off the display" from the left side pane of this window.
On the Edit plan setting window, you can choose turn of display time for your selected power plan form 1 minute to 5 hours as your requirement also there is a option Never, to never sleep the computer.

How to Change Advanced Power Setting

Along with sleep and display setting you can change other settings also on advanced power setting. You can change setting for different power plans and can also create new power plan.

As given on the first step to change sleep and display setting, open power option window. Click on change plan setting option for which power plan you want to change setting and then click on "change advanced power setting".
On the Advanced setting option you can change the settings for turn off hard disk, slide show, wireless adapter, sleep, display and multimedia.
From power buttons and lid option, you can change the setting for power button action and sleep button action.
On processor power management option, you can choose for minimum processor state, system cooling policy and maximum processor state.

السبت، 20 يونيو 2015

How to Share Printer for Computers on LAN

Not only from Network printer, it is possible to print from other computers on LAN by sharing local printer connected on one computer on Local Area Network. To do this, you have to share the printer on LAN and have to install the shared printer on the computer from which you want to print. In this post I am describing the methods and steps for sharing printers on LAN.

How to Share a Local Printer on LAN

Here are some steps for sharing a local printer on Local Area Network.

At first, Go to the control panel and click on "view devices and printers" located under Hardware and Sound option.
Under the printers category right click on printers name which you want to share and choose on "printer properties" option.
Then printer properties dialog box will appear as given below, click on sharing Tab.
Select on the "share this printer" option also give the name for the printer which is being shared as given on the picture below.
After completing all of the task click on OK to close the dialog box.

How to Install Shared Printer in Client Computer on LAN

To complete the steps for sharing local computer on LAN and to print through client computer, you have to install this shared printer on the client computer also. The required steps to complete this task are given below.

At first, Go to the control panel as mentioned on the previous steps and click on "Add printer" option.
The wizard started to search for installed shared printers on LAN, if the printer you have to install is listed select it and go to next until finish.
If the printer is not listed from searching, Click on the option "The printer that I want isn't Listed".
On find a printer by other options click on "select a shared printer by name" and click on Browse button.
Open the computer from where you want to install printer, here you may ask for login if the computer having printer is protected by a password.
After opening computer, select the desired printer you want to install and click on next in wizard until finish.
Now your printer is ready, you can print any document selecting on this printer but you should be noted that the host computer must be turned on while printing.

الأربعاء، 17 يونيو 2015

Solved Objective Questions on jQuery Library set-1

1) Which of the following statements about the features of jQuery are True.

i) jQuery has an expressive syntax for referring to elements in the document.

ii) jQuery has an efficient query method for finding the set of document elements that match a CSS selector.

iii) jQuery has a useful set of methods for manipulating selected elements.

A. i, ii and iii only

B. i, ii and iv only

C. i, iii and iv only

D. All i, ii, iii and iv

2) If you are using $ in your own code, or are using another library, such as prototype, that uses $, you can call .......... to restore $ to its original value.

A. jQuery.noConflict()

B. jQuery.removeConflict()

C. jQuery.restoreDefault()

D. jQuery.restoreFunction()

3) Which of the following is/are the sources of Content Distribution Network(CDN) for jQuery.

A. jQuery CDN

B. Microsoft CDN

C. Google CDN

D. All of the above

4) Which of the following are the different ways of invoking jQuery() function.

i) invoke $() is to pass a CSS selector to it

ii) invoke $() is to pass an element or document or window object

iii) invoke $() is to pass a string of JavaScript code

iv) invoke $() is to pass a function to it

A. i, ii and iii only

B. i, ii and iv only

C. i, iii and iv only

D. All i, ii, iii and iv

5) The jQuery library defines a number of utility functions, one of them is ............ function for general purpose iteration and another is ............ function for parsing JSON text.

A. jQuery.each(), jQuery.JSONtext()

B. jQuery.iterate(), jQuery.parseJSON()

C. jQuery.each(), jQuery.parseJSON()

D. jQuery.general(), jQuery.parseJSON()

6) The value returned by $() are ......... ,they are array like, they have a length property and have numeric properties from o to length -1.

A. jQuery result

B. jQuery objects

C. jQuery array

D. jQuery length

7) In order to loop over all elements in a jQuery object, you can call the .......... method instead of writing a for loop.

A. array.map()

B. index()

C. each()

D. map()

8) ......... method expects a callback function as its sole argument, and it invokes that callback function once for each element in the jQuery object in document order.

A. array.map()

B. index()

C. each()

D. map()

9) ........... accepts a callback function as its argument and invokes that function once for each element of the jQuery object.

A. is()

B. index()

C. each()

D. map()

10) ........ takes a selector as its argument and returns true if at least one of the selected elements also matches the specified selector.

A. is()

B. index()

C. each()

D. map()

11) ........ handles browser incompatibilities and special cases and allows you to use either HTML attribute names of their JavaScript property equivalents.

A. attr()

B. removeattr()

C. handleattr()

D. useattr()

12) Match the following methods for working with the class attribute defined by jQuery with their definitions.

i) addClass()           a) tests for the presence of specified class

ii) toggleClass()      b) adds classes to elements that don't already have

iii) hasClass()        c) remove classes from selected elements

iv) removeClass()   d) adds classes from selected elements

A. i-b, ii-c, iii-d, iv-a

B. i-c, ii-d, iii-a, iv-b

C. i-d, ii-c, iii-b, iv-a

D. i-d, ii-b, iii-a, iv-c

13) ........ is a method for setting and querying the value attribute of HTML form elements and also for querying and setting the selection state of check boxes, radio buttons and <select> elements.

A. set()

B. val()

C. query()

D. attr()

14) In jQuery, .......... method measures positions relative to the document and returns them in the form of an object with left and top properties that hold the X and Y coordinates.

A. offset()

B. position()

C. offsetparent()

D. setparent()

15) The .......... method is like offset(), except that it is a getter only and it returns element positions relative to their offset parent, rather to the document as a whole.

A. width()

B. position()

C. offsetparent()

D. setparent()

Answers

1) D. All i, ii, iii and iv
2) A. jQuery.noConflict()
3) D. All of the above
4) B. i, ii and iv only
5) C. jQuery.each(), jQuery.parseJSON()
6) B. jQuery objects
7) C. each()
8) C. each()
9) D. map()
10) A. is()
11) A. attr()
12) D. i-d, ii-b, iii-a, iv-c
13) B. val()
14) A. offset()
15) B. position()

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الاثنين، 15 يونيو 2015

Solved MCQ on Handling Events in Client Side JavaScript set-8

1) ........... include legacy event types such as "mousedown", "mousemove", "mouseup", "keydown", "keypress","keyup","touchmove" and "gesturechange" events.

A. Device dependent input events

B. Device independent input events

C. User interface events

D. State change events

2) ............ are not triggered directly by user activity, but by network or browser activity, and indicate some kind of lifecycle.

A. Device dependent input events

B. Device independent input events

C. User interface events

D. State change events

3) ............ include the focus event, the change event when the user changes the value and the submit event when the user clicks a submit button.

A. Device dependent input events

B. Device independent input events

C. User interface events

D. State change events

4) ........... allows the same event handler function to be registered more than once. When an event of the specified type occurs, the registered function will be invoked as many times as it was registered.

A. addEvent()

B. addMultipltEvent()

C. attachEvent()

D. reattachEvent()

5) Which of the following statements about the arguments of addEventListener() is/are True.

i) The first argument to addEventListener() is the event type for which the handler is being registered.

ii) The second argument to addEventListener() is the function that should be invoked when the specified type of event occurs.

iii) The third argument to addEventListener() is a numerical value.

A. i and ii only

B. i and iii only

C. ii and iii only

D. All i, ii and iii

6) When an event occurs on an object, all of the handlers registered for that type of event are invoked, in the order in which they were .........

A. occurred

B. registered

C. invoked

D. initialized

7) Invoking .......... more than once on the same object with the same arguments has no effect, the handler function remains registered only once, and repeated invocation does not alter the order in which handlers are invoked.

A. addEvent()

B. addMultipltEvent()

C. attachEvent()

D. addEventListener()

8) State which of the following statements are True or False about the rules of invocation order for event handler in JavaScript.

i) Handlers registered by setting an object property of HTML attribute, if any are always invoked first.

ii) Handlers registered with addEventListner() are invoked in the order in which they were registered.

iii) Handlers registered with attachEvent() may be invoked in any order and the code should not depend on sequential invocation.

A. i-True, ii-True, iii-False

B. i-True, ii-False, iii-False

C. i-True, ii-True, iii-True

D. i-False, ii-False, iii-True

9) .......... is universally supported also it works in all browsers including IE, and works for all handlers, regardless of how they are registered.

A. Event bubbling

B. Event handling

C. Event capturing

D. Event registering

10) ............, only works with event handlers registered with addEventListner() when the third argument is True.

A. Event bubbling

B. Event handling

C. Event capturing

D. Event registering

11) In browsers that support addEventListner(), we can also cancel the default action for an event by invoking the ........... method of the event object.

A. preventBrowsers()

B. preventDefault()

C. preventPropagation()

D. preventEvent()

12) The .............. event is fired when the document has been loaded and parsed and any deferred scripts have been executed.

A. DOMContent()

B. DOMContentLoad()

C. DOMLoaded()

D. DOMContentLoaded()

13) .......... is a user interface for transferring data between a "drag source" and "drop target" that may be in the same application or in different applications.

A. Drag-and-drop

B. User-drag-and-drop

C. Drag source-and-drop target

D. Source-drag-and-drop-target

14) Which of the following statements are True about the APIs for Implementing Drag-and-drop.

i) They have to tie into the underlying OS so that they can work between unrelated applications.

ii) They must provide a way for a drag source to specify the icon or image to be dragged.

iii) They must provide event-based notification to both the drag source and drop target of the progress of the Drag-and-drop interaction.

A. i and ii only

B. i and iii only

C. ii and iii only

D. All i, ii and iii

15) ......... objects have altKey, ctrlKey, metaKey and shiftKey properties, which are set to True if the corresponding modifier key is held down when the event occurs.

A. Key down

B. Key event

C. Key up

D. Key press

Answers

1) A. Device dependent input events
2) D. State change events
3) C. User interface events
4) C. attachEvent()
5) A. i and ii only
6) B. registered
7) D. addEventListener()
8) C. i-True, ii-True, iii-True
9) A. Event bubbling
10) C. Event capturing
11) B. preventDefault()
12) D. DOMContentLoaded()
13) A. Drag-and-drop
14) D. All i, ii and iii
15) B. Key event

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السبت، 13 يونيو 2015

MCQ on Scripting Documents in Client Side JavaScript set-7

1) .......... method of the window object takes the X and Y coordinates of a point in document coordinates and sets these as the scroll bar offsets.

A. scrollTo()

B. scrollLeft()

C. scrollTop()

D. scrollFor()

2) We can compute the position of the element with ..........., converts that position to document coordinates and then use the scrollTo() method.

A. getBoundingClient()

B. getBounding()

C. getBoundingClientRect()

D. getBoundingRect()

3) The read-only .......... properties of any HTML element return its on screen size, in CSS pixels.

A. offsetWidth()

B. offsetHeight()

C. Both A and B

D. None of the above

4) ......... are like offesetWidth and offesetHeight except that they do not include the border size, only content area and its padding.

A. offesetLeft and offesetTop

B. clientWidth and clientHeight

C. clientLeft and clientTop

D. scrollWidth and scrollHeight

5) ............. properties return the horizontal and vertical distance between the outside of an element's padding and the outside of its border.

A. offesetLeft and offesetTop

B. clientWidth and clientHeight

C. clientLeft and clientTop

D. scrollWidth and scrollHeight

6) ........... are the size of an element's content area plus its padding plus any overflowing content.

A. offesetLeft and offesetTop

B. clientWidth and clientHeight

C. clientLeft and clientTop

D. scrollWidth and scrollHeight

7) Which of the following expressions in JavaScript is/are True, if we have to select a form name "address" has a first element with name "street".

A. document.forms.address[0]

B. document.forms.address.street

C. document.address.street

D. All of the above

8) Which of the following is/are the valid expressions, if we have to select a <form> with a name="address" attribute.

i) window.address

ii) document.address

iii) document.forms.address

iv) document.forms[n]

A. i, ii and iii only

B. ii, iii and iv only

C. i, ii and iv only

D. All i, ii, iii and iv

9) .......... method returns a selection object that describes the current selection as a sequence of one or more range objects.

A. window.objectSelection()

B. window.getSelection()

C. document.getSelection()

D. document.currentSelection()

10) State whether the following statements are True or False for the document.write() method in client side JavaScript.

i) The document.write() method was one of the very first scriptable APIs implemented by Netscape2 web browser.

ii) document.write() concatenates its string arguments and inserts the resulting string into the document at the location of the script element that invoked it.

iii) The document.write() method is commonly used in modern code i.e. innerHTML property and other DOM techniques.

A. i-True, ii-True, iii-False

B. i-True, ii-False, iii-False

C. i-True, ii-True, iii-True

D. i-False, ii-False, iii-True

11) When a document contains scrollable elements with overflowing content, the ............ method doesn't work correctly because it does not take scroll bar position into account.

A. getElementPosition()

B. getScrollPosition()

C. getScrollOffsets()

D. getBoundingClientRect()

12) .......... method is used in the case of passing the coordinates of the mouse pointer to determine which element the mouse is over.

A. getBoundingClientRect()

B. getElementFromPoint()

C. elementFromPoint()

D. getElementCoordinates()

13) The .......... method of the window is similar to scroll() and scrollTo(), but its arguments are relative and are added to the current scroll bar offsets.

A. scrollTop()

B. scrollBy()

C. scrollLeft()

D. scrollIntoView()

14) The ......... method ensures that the element on which it is invoked is visible in the view-port.

A. scrollTop()

B. scrollBy()

C. scrollLeft()

D. scrollIntoView()

15) The .......... property specifies which element the properties are relative to and if it is null, the properties are document object.

A. offsetLeft

B. offsetTop

C. offsetParent

D. offsetRelative

Answers:

1) A. scrollTo()
2) C. getBoundingClientRect()
3) C. Both A and B
4) B. clientWidth and clientHeight
5) C. clientLeft and clientTop
6) D. scrollWidth and scrollHeight
7) D. All of the above
8) D. All i, ii, iii and iv
9) B. window.getSelection()
10) A. i-True, ii-True, iii-False
11) A. getElementPosition()
12) C. elementFromPoint()
13) B. scrollBy()
14) D. scrollIntoView()
15) C. offsetParent

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الأربعاء، 10 يونيو 2015

MCQ on Scripting Documents in Client Side JavaScript set-6

1) ........ method allows you to insert a string of arbitrary HTML markup "adjacent" to the specified element.

A. insertAdjacentHTML()

B. insertBeforeHTML()

C. insertAfterHTML()

D. insertAfterendHTML()

2) ..........property is used to insert plain text into a document without having to escape the angle brackets and ampersands used in HTML markup.

A. insertText

B. plainContent

C. textContent

D. plainText

3) ........... is similar to textContent property introduced by Microsoft for Internet Explorer browser.

A. insertText

B. plainContent

C. textContent

D. innerText

4) ........ does not return the content of <script> elements, also omits extraneous white-space and attempts to preserve table formatting.

A. insertText

B. innerText

C. textContent

D. plainContent

5) State whether the following statements about inserting element content as plain text are True or False.

i) The textContent and innerText properties are similar enough that we can usually use them interchangeably.

ii) innerText is treated as a read-only property for certain table elements such as <table>, <tbody> and <tr>

iii) The textContent property is a straightforward concatenation of all Text node descendants of the specified element.

A. i-True, ii-True, iii-False

B. i-True, ii-False, iii-False

C. i-True, ii-True, iii-True

D. i-False, ii-False, iii-True

6) To insert element content as Text Nodes, .......... property is read/write and you can set it to change the content displayed by a Text or CDATASection node.

A. nodeContent

B. nodeType

C. nodeText

D. nodeValue

7) We can create new element nodes with the ........ method of the document object which can pass the tag name of the element as the method argument.

A. createElement

B. createNode

C. createDocumentNode

D. createElementNode

8) Every node has ........... method that returns a new copy of the node and passes true to recursively copy all descendants as well, or false to only make a shallow copy.

A. importNode()

B. cloneNode()

C. copyNode()

D. passNode()

9) ........... returns a copy suitable for insertion into the document and passes true as the second argument to recursively import all descendants.

A. importNode()

B. cloneNode()

C. copyNode()

D. passNode()

10) ........ is invoked on the element node that you want to insert into, and it inserts the specified node so that it becomes the last child of that node.

A. insertBefore()

B. appendChild()

C. insertAfter()

D. appendNode()

11) .......... takes two arguments, the first argument is the node to be inserted and the second argument is the node before which that node is to be inserted.

A. insertBefore()

B. appendChild()

C. insertAfter()

D. appendNode()

12) State whether the following statements are True or False for inserting nodes.

i) If you pass null in the second argument, the insertBefore() behaves like appendChild() and inserts at the end.

ii) If you call appendChild() or insertBefore() to insert a node that is already in the document, that node will automatically be removed from its current position and reinserted at its new position.

A. i-True, ii-False

B. i-False, ii-True

C. i-False, ii-False

D. i-True, ii-True

13) A .......... is a special kind of node that serves as a temporary container for other nodes.

A. Document Node

B. Document Partial

C. Document Fragment

D. Document Temporary

14) .......... can have any number of children, which we can manipulate with appendChild(), insertBefore() and so on.

A. Document Node

B. Document Partial

C. Document Fragment

D. Document Temporary

15) The ........... method allows us to determine the current position of an element in a view-port.

A. getBoundingClientRect()

B. elementFromPoint()

C. getElementByTagName()

D. pageXoffset()

Answers:

1) A. insertAdjacentHTML()
2) C. textContent
3) D. innerText
4) B. innerText
5) C. i-True, ii-True, iii-True
6) D. nodeValue
7) A. createElement
8) B. cloneNode()
9) A. importNode()
10) B. appendChild()
11) A. insertBefore()
12) D. i-True, ii-True
13) C. Document Fragment
14) C. Document Fragment
15) A. getBoundingClientRect()

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الاثنين، 8 يونيو 2015

Solved MCQ on Scripting Documents in JavaScript set-5

1) The DOM defines a number of ways to select elements, by using which of the following methods we can query a document for an element or elements.

i) with a specified id attribute

ii) with a specified name attribute

iii) with the specified tag name

iv) with the specified CSS class or classes

A. i, ii and iii only

B. i, ii and iv only

C. i, iii and iv only

D. All i, ii, iii and iv

2) We can select an element based on unique ID with the ........... method of the document object.

A. getElementById()

B. getElementsById()

C. selectElementById()

D. selectElementsById()

3) The ......... attribute is only valid on a handful or HTML elements, including forms, form elements, <iframe> and <img> elements.

A. id

B. name

C. tag

D. class

4) .......... return NodeList objects and properties like document.images and document.forms are HTML Collection objects.

A. getElementsByName() and getElementsById()

B. getElementsById() and getElementsByTagName()

C. getElementsByName() and getElementsByTagName()

D. getElementsByClassName() and getElementsByTagName()

5) Like getElementsByTagName(), .......... can be invoked on both HTML documents and HTML elements, and it returns a live NodeList containing all matching descendants of the document or element.

A. getElementsById()

B. getElementsByName()

C. getElementsByClassName()

D. All of the above

6) .......... takes a single string argument containing a CSS selector and returns a Nodelist that represents all elements in the document that match the selector.

A. getElementsById()

B. getElementsByName()

C. getElementsByClassName()

D. querySelectorAll()

7) ........... is the ultimate element selection method and very powerful technique by which client side JavaScript programs can select the document elements that they are going to manipulate.

A. querySelectAll()

B. querySelector()

C. querySelectorAll()

D. querySelect()

8) The CSS selector ............ selects any <span> descendant of the element with id="log".

A. #log span

B. #log>span

C. #log=span

D. #log:span

9) The CSS selector ............ selects any <span> child of the element with id="log".

A. #log span

B. #log>span

C. #log=span

D. #log:span

10) The CSS selector .......... selects all <div> elements plus the element with id="log".

A. div #log

B. div.#log

C. div>#log

D. div, #log

11) ........... defines properties for the universal HTTP attributes such as id, title lang, and dir and event handler properties like onClick.

A. Element properties

B. HTMLElement

C. HTMLProperty

D. HTMLAttribute

12) ......... are not case sensitive, but JavaScript property names are.

A. Element properties

B. HTML element

C. HTML property

D. HTML attributes

13) .............. methods can be used to query and set non standard HTML attributes and to query and set attributes on elements of an XML document.

A. getAttribute() and setAttribute()

B. getElement() and setElement()

C. getDocument() and setDocument()

D. getHTML() and setHTML()

14) HTML elements defines two methods ............ to check for the presence of named attribute and remove an attribute entirely.

A. getAttribute() and setAttribute()

B. hasAttribute() and removeAttribute()

C. hasDocument() and removeDocument()

D. hasElement() and removeElement()

15) For XML documents the include attributes from other namespaces, can use the namespace variants of which of the following method(s).

A. getAttributeNS()

B. setAttributeNS()

C. hasAttributeNS()

D. All of the above

Answers:

1) D. All i, ii, iii and iv
2) A. getElementById()
3) B. name
4) C. getElementsByName() and getElementsByTagName()
5) C. getElementsByClassName()
6) D. querySelectorAll()
7) C. querySelectorAll()
8) A. #log span
9) B. #log>span
10) D. div, #log
11) B. HTMLElement
12) D. HTML attributes
13) A. getAttribute() and setAttribute()
14) B. hasAttribute() and removeAttribute()
15) D. All of the above

For more Multiple Choice Questions (MCQs): Click Here

الخميس، 4 يونيو 2015

Solved MCQ on JavaScript Window Object set-4

1. State whether the following statement are True or False for timers.

i) Like setTimeout(), setInterval() returns a value that can be passed to clearInterval() to cancel any future invocations of the scheduled function.

ii) If you call setTimeout() with a time of 0ms, the function you specify is not invoked right way.

A. i-True, ii-False

B. i-False,ii-True

C. i-True, ii-True

D. i-False, ii-False

2. The href property of the .......... object is a string that contains the complete text of the URL.

A. location

B. pathname

C. port

D. search

3. The .......... method of the Location object makes the window load and display the document at the URL you specify.

A. search()

B. load()

C. replace()

D. assign()

4) The ......... method removes the current document from the browsing history before loading a new document.

A. search()

B. remove()

C. replace()

D. assign()

5) Which of the following statements are True or False for Location object.

i) When a script unconditionally loads a new document, the replace() method is often a better choice than assign().

ii) In addition to the assign() and replace() methods, the Location object also defines reload(), which makes the browser reload the document.

iii) A only way to make the browser navigate to a new page is to simply assign the new full URL directly to the location property.

A. i-True, ii-True, iii-False

B. i-True, ii-False, iii-False

C. i-False, ii-True, iii-True

D. i-False, ii-False, iii-True

6) The .......... properties of the location object are writable, and setting them changes the location URL and also causes the browser to load a new document.

A. URL composition

B. URL decomposition

C. URL parsing

D. URL component

7) The properties like protocol, host, hostname, port, pathname, search and hash of Location object specify the various individual parts of the URL, they are known as ............ properties.

A. URL composition

B. URL decomposition

C. URL parsing

D. URL component

8) Which of the following statements are True for history property of the window object.

i) The length property of the history object specifies the number of elements in the browsing history list.

ii) The history object has back() and forward() methods that behave like the browsers back and forward buttons do.

A. i only

B. ii only

C. Both i and ii

D. None of the above

9) ......... method of the history object, takes an integer argument and can skip any number of pages forward for positive arguments or backward for negative arguments in the history list.

A. back()

B. backward()

C. forward()

D. go()

10) ........ method brings webpage back like clicking the back button twice.

A. history.go(-2)

B. history.back.back()

C. history.back(2)

D. history.go(2)

11) Match the following properties of Navigator object to their description.

i) appName a) that identifies the operating system

ii) appVersion b) all the information along with appVersion

iii) UserAgent c) browser vender and version information

iv) platform d) full name of the web browser

A. i-b, ii-c, iii-d, iv-a

B. i-c, ii-d, iii-a, iv-b

C. i-d, ii-c, iii-b, iv-a

D. i-a, ii-d, iii-c, iv-b

12) The .......... property specifies whether the browser is currently connected to the network.

A. navigator.online

B. geolocation

C. javaEnabled()

D. cookiesEnabled()

13) A ........... object that defines an API for determining the user's geographical location.

A. navigator.online

B. geolocation

C. javaEnabled()

D. cookiesEnabled()

14) .......... displays a model dialog box containing HTML formatted content and allows arguments to be passed to, and a value returned from, the dialog.

A.alert()

B. conform()

C. prompt()

D. showModelDialog()

15) State whether the following statements are True or False for methods for displaying simple dialog box on window object.

i) alert() displays a message to the user and waits for the user to dismiss the dialog.

ii) conform() displays a message, waits for the user to click an OK or Cancel button and returns positive or negative value.

iii) prompt() displays a message, waits for the user to enter a string, and returns that string.

A. i-True, ii-False, iii-True

B. i-True, ii-True, iii-False

C. i-False, ii-True, iii-True

D. i-False, ii-False, iii-False

Answers:

1) C. i-True, ii-True
2) A. location
3) D. assign()
4) C. replace()
5) A. i-True, ii-True, iii-False
6) B. URL decomposition
7) B. URL decomposition
8) C. Both i and ii
9) D. go()
10) A. history.go(-2)
11) C. i-d, ii-c, iii-b, iv-a
12) A. navigator.online
13) B. geolocation
14) D. showModelDialog()
15) A. i-True, ii-False, iii-True

الأربعاء، 24 يونيو 2015

How to Open DirectX Diagnostic Tool

On the System Tab, you can find the following information.

On the Display Tab, you can find the following information.

How to Know Computer Supports 32-bit or 64-bit

How to Get System Information on Windows 8

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