go: يونيو 2015

الأحد، 28 يونيو 2015

1. How to Update Computer

If you need to update your computer, go to control panel from desktop or start menu and click on windows update then you will see the following screen, after that click on check for update. It will start to update your computer.

2. How to Set Update Computer Automatically

To set update your computer automatically, from windows update window click on "change setting" option, you will see the following screen. Choose "Install updates automatically" from drop down list, then click on OK.

3. How to View Computer MAC and IP Address

If you need to know your computers MAC address also called physical address and Internet Protocol(IP) address, you have to right click on computer icon on notification area located on task bar and click on open network and sharing center. OR go to control panel and click on Network and Sharing Center option, Click on Ethernet option and then Details button as shown below. You can view its IP address and Physical Address or MAC Address.

4. How to Change Computer Name

To change the name of computer go to control panel and open system option from there and then Click on Change setting option and click on change button located on computer name tab then change your computer name and click on OK. To open system properties you can right click on "my computer" and click on properties also.

5. How to Computer Print Screen

You can easily capture your screen for print by simply pressing "Print Screen Request" key from keyboard and saving it using simple photo editing application. To do this at first open the screen which you want to save using print screen request. Press the key "Print Screen Request" and paste on any image editing application.

6. How to Show Computer Desktop

If you are working on different multiple windows, you may need to close all the windows and may need to open the desktop items. You can show computer desktop by simply right clicking on task-bar and clicking on "show the desktop" option.

7. How to Record Voice in Computer

If you need to record voice in computer, you can do it by using sound recorder services of windows. For this go to start menu and search for sound recorder, open and record using it. You can also record by installing other applications on computer.

8. How to Change Computer Password

If you are using some user name and password to login into your computer and if you need to change its password for some region, you can do it by using user account option located in control panel. In windows 8, you can do it from account option on PC settings. After you have gone to the accounts option click on sign in option and then click on change button. Now you can change your password.

9. How to Computer Clean Up

If you wanted to clean up your disks or drives to speed up your computer, you can do it by selecting respective drives and doing clean up using drive tools. For this, open My computer to view drives select required drive you want to clean and click on cleanup option located on manage tab.

10. How to Lock/Unlock Computer

If you are using your computer, have to go away for some time, you can lock your computer until you return back. You can do it by simply going to start then clicking on user account name and lock option. You can unlock it by simply entering your password there.

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.

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.

الجمعة، 19 يونيو 2015

How to Share Drive Folder and File in Computer Network

You can share drives, folders and files of your PC to your Computer Network, after sharing these, you can access them from another computers in same computer network. It can be shared for specific computer or for everyone as your requirement. But you should be careful for security of your files, folders and drives while sharing them on the network. Today I am going to describe some methods for sharing drives, folders and files in computer network.

How to Share Drive in Computer Network

You can share your computer drive in computer network, using the following methods.

At first Go to "My Computer" from Desktop or Start Menu and Open it.
Right Click on the required drive which you want to share and Choose "Share width" and the "Advanced sharing.." As given below.
After that, drive properties window will appear, then click on "Advanced sharing" button.
That displays advanced sharing dialog box then select on the "Share this folder" check box, give required comments and the share name as given on the screen below.
After completing all of these click on OK button.

How to Share Folder and Files in Computer Network

You can share your computer folders and files in computer network, using the following methods.

At first, Go to your folder or file and right click on it, Choose "Share with" option and then click on "Specific people.." as on the screen below.
On the File sharing dialog box, choose people to share with, you can select specific computer or can choose everyone and click on "share" button at last.
If you want to Stop sharing them on computer network, Go to step 1 and choose "Stop sharing" option instead of "Specific people".
After clicking on "Stop Sharing" option, you can see file sharing dialog from where you can choose the option "Stop Sharing" - To remove all the permissions for all the people and "Change Sharing Permissions" option - To add or remove people or change the permission.
While changing permissions, you can do as given on the step 2.

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()

For more Multiple Choice Questions (MCQs): Click Here

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

For more Multiple Choice Questions (MCQs): Click Here

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()

الأحد، 28 يونيو 2015

1. How to Update Computer

2. How to Set Update Computer Automatically

3. How to View Computer MAC and IP Address

4. How to Change Computer Name

5. How to Computer Print Screen

6. How to Show Computer Desktop

7. How to Record Voice in Computer

8. How to Change Computer Password

9. How to Computer Clean Up

10. How to Lock/Unlock Computer

Related Posts

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

Related Posts

# Delete Temporary Files

#Remove Unnecessary Programs From Startup

# Empty Your Recycle Bin and Clear Your Desktop

# Uninstall Unnecessary Application Programs

# Delete Browsing History and Internet Cookies

Related Posts

السبت، 20 يونيو 2015

How to Share a Local Printer on LAN

How to Install Shared Printer in Client Computer on LAN

Related Posts

الجمعة، 19 يونيو 2015

How to Share Drive in Computer Network

How to Share Folder and Files in Computer Network

Related Posts

الأربعاء، 17 يونيو 2015

Answers

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For more Multiple Choice Questions (MCQs): Click Here

السبت، 13 يونيو 2015

Answers:

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