Introduction to Windows

Q.1. What is Windows operating system?

Ans : Windows Operating System

Windows operating system is a family of operating systems for personal computers. It is the most popular operating system used on personal computers. Almost 90% personal computers in the world use Windows. It was developed by Microsoft Corporation.

Windows provides graphical user interface (GUI). It uses windows, icons, menus and other graphical objects to issue commands. It supports many peripheral devices such as mouse and keyboard etc. Mouse is the most commonly used input device in this operating system.

Different versions of Windows operating system include Windows 2000, Windows Vista and Windows 7.

Q.1. What is Windows operating system?

Ans : Windows Operating System

Windows operating system is a family of operating systems for personal computers. It is the most popular operating system used on personal computers. Almost 90% personal computers in the world use Windows. It was developed by Microsoft Corporation.

Windows provides graphical user interface (GUI). It uses windows, icons, menus and other graphical objects to issue commands. It supports many peripheral devices such as mouse and keyboard etc. Mouse is the most commonly used input device in this operating system.

Different versions of Windows operating system include Windows 2000, Windows Vista and Windows 7.

Q.3. What is icon? Describe important icons on Windows operating system.

Ans : Icon

An icon is a small graphic image. It represents a program, drive, folder or document. It helps the user to execute commands quickly. The commands tell the computer to perform different tasks. Windows operating system uses icons frequently to make the environment user-friendly. The user can double click an icon to execute the command associated with it.

Some important icons are as follows:

1. My Computer

My Computer icon is a graphical representation of everything on computer. It is used to view different resources of computer. The resources include drives, files and folders etc. It also contains Control Panel option that provides different tools to configure the computer.

2. My Documents

My Documents is a folder that is automatically created by Windows during installation. It is used for saving documents. Many application programs like MS Word use this folder as default location for storing files.

3. Recycle Bin

Recycle Bin is a temporary storage area. It is used to keep deleted files. When a file or folder is deleted, it is not removed from the disk permanently. Windows moves it to Recycle Bin. The files remain there until the user recovers them or deletes them permanently.

The following procedure is used to empty Recycle bin.

1. Right-click Recycle Bin on desktop. A pop-up menu will appear.

2. Select Empty Recycle Bin. All items will be deleted permanently.

4. Internet Explorer

Internet Explorer icon is used to launch Internet Explorer web browser. It is used to access the information available’ on the Internet. It is automatically installed during the installation of Windows. The user can double click the icon to start Internet Explorer.

Q.4. Discuss important features of Windows operating system.

Ans :

Features of Windows Some important features of Windows XP are as follows:

1. Graphical User Interface

Windows provides graphical user interface. It uses windows, icons, menus and other graphical objects to issue commands. The graphical environment makes it easier to perform different tasks. It is also more stable and convenient interface.

2. Start Button

Start button is a gateway to access most of the programs installed on the computer. It is used to perform the following tasks easily:

Open or search a document

Change Windows settings

Manage files

Getting help

Maintain system etc.

3. Taskbar

A bar that appears at the bottom of Windows desktop is known as taskbar. It displays Start button on the left side. It displays a button for each open application. The user can switch between different windows by clicking on required window. Taskbar also includes Quick Launch icons and notification area.

4. Windows Explorer

Windows explorer acts as a file manager in Windows operating system. It is used to manage files and folders on computer. It is an efficient way to locate and manage files on computer. Many actions can be performed on files and folders using Windows explorer. It can be used to cut, copy, past, rename or delete a file or folder.

5. Shortcut

Shortcut is used to access files, folders, drives or printers quickly. A shortcut refers to an object in the computer. The user can double click the shortcut to access the object that is referred by the shortcut. It saves a lot of time.

6. Multitasking

Windows is a multitasking system. A single user can run multiple programs at the same time. The user can edit a document while listening to music.

7. Easy Internet Access

Windows provides easy access to the Internet. It provides built-in Internet functionality to link and access Internet. It also provides connectivity software from Microsoft Network (MSN). The software is used to contact family and friends online anywhere in the world. Windows provides many applications to work efficiently on Internet. It supports latest technologies such as Internet Explorer, java and audio / video support.

8. Hardware Compatibility

Windows provides better hardware compatibility. It supports hardware from various vendors. It has the feature of plug and play. When a new hardware device is attached to computer, it detects the device and installs its driver automatically if it is available.

9. Search Utility

Windows provides search utility to find the required files on the computer. The user can search the files by partial name, last modified date or full text. The user can also save, rename or view files from the search result.

10. Help

Windows provides online help to perform a task. A user can access Help and Support resources to find required help. It provides the description of different -concepts and commands of Windows operating system.

Q.5. What are different mouse actions?

Ans : Mouse Actions

Some important mouse actions are as follows:

1. Point to an item It is a process of moving the mouse to place it on an item.

2. Click an item It is the process of pointing to an item and quickly pressing and releasing the left mouse button.

3. Right click an item It is the process of pointing to an item and quickly pressing and releasing the left mouse button. This action displays a shortcut menu. The user can select a command from the menu to apply to the item.

4. Double click an item It is a process of pointing to an item and quickly pressing and releasing the left mouse button twice.

5. Drag It is a process of pointing to an item and moving the mouse while pressing the left mouse button.

Q.6. Briefly describe Windows desktop

Ans : Windows Desktop

The first screen that appears after logging into the computer is known as desktop. It contains different objects and icons. The desktop is the entering point in Windows. It is the first object that appears when Windows is started. Windows desktop contains different icons on it such as My Computer, My Documents and Recycle Bin etc. It displays taskbar at the bottom that contains different objects. All programs that are running at the moment appear on the taskbar. The appearance of desktop in Windows is very attractive. The user can also customize the color and style of desktop.

Q.7. What is Start button and taskbar?

Ans : Start Button

Start button appears at the bottom of desktop. It is used to access various programs installed on the computer. The user can also access recently used files with Start button. A menu appears when Start button is activated. The menu contains different options to perform different tasks.

The following tasks can be performed using Start button:

  • Open or search a document
  • Change Windows settings
  • Manage files
  • Getting help
  • Maintain system etc.

 

Taskbar

A bar that appears at the bottom of Windows desktop is known as taskbar. It displays Start button on the left side. It displays a button for each. open application. The user can switch between different windows by clicking on required window. Taskbar also includes Quick Launch icons and notification area.

Q.8. What is Start menu? Briefly describe different options in Start menu.

Ans : Start Menu

Start menu appears when Start button on Taskbar is activated. All programs in the computer are accessible from Start menu. The Start menu has been redesigned in Windows XP. It is divided into two panes. The left pane displays the most recently used program. The right pane contains useful icons to access files, configure computer and find information etc. It also displays the name of the user who is logged into the computer. The Classic start menu contains only a single pane.

Different options available in Start menu are as follows:

1. Programs Programs in Start menu displays ‘a list of programs installed on computer.

2. Documents Documents folder is used to access most recently opened documents quickly.

It displays Document sub-menu that displays recently used files.

3. Setting It is used to configure settings of different devices connected to computer. It contains different options like control panel and network connections etc.

4. Search Search is mainly used to find the required files on the computer.

5. Help It is used to access Windows XP Help resources. It provides description of different concepts and commands of Windows operating system.

6. Run Run command is used to run a program or open folders and document etc. It opens a Run dialog box.

7. Shut Down Shut Down option is used to close all files and shut down the computer.

 

Q.9. Write the steps needed to start a program.

Ans : Starting a Program

The following steps are needed to start a program:

1. Click on Start button. The Start menu will appear.

2. Point to All Programs option. A list of installed programs will appear.

3. Select the program to run OR if the program is not in the menu, point to the folder that contains the program.

4. Click on the program icon or menu. The program will start.

A small icon appears on the taskbar when the program starts. The user can run many programs at the same time. The user can click on the icon of required program on taskbar to activate it. The user can search the program file of a program using Find dialog box if it is not available in program menu or its submenu.

Q.10. Write the steps needed to open a recently used document

Ans : Opening Recently Used Program

The Documents option in Start menu gives quick access to recently used documents. It displays the Document sub-menu. The submenu displays a list of files that -are used recently.

The following steps are needed to open recently used document:

1. Click on Start button. The Start menu will appear.

2. Point to Documents option. A list of recently used documents will appear.

3. Click the required document. The document will open in the application in which it was created.

Q.11. Which steps are performed to search a file in Windows?

Ans : Searching a File

The following steps are performed to search a file in Windows:

1. Click on Start button. The Start menu will appear.

2. Select Find option from the menu. A new window will appear:

3. Enter appropriate words in the textboxes and click Search button. Window will start searching the required file.

The user can search the file using the following options:

  • Files or Folders
  • On the Internet
  • People
  • Using Microsoft Outlook

The user can also specify the location for searching the file using Look in: list box. The user can select a particular drive such as C:\ or D:\ etc. The user can also use other optionson search pane for advance searching.

 

Q.13. What is Windows explorer? How can we start Windows explorer?

Ans : Windows Explorer

Window explorer acts as a file manager in Windows operating system. It is used to manage files and folders on computer. It is an efficient way to locate and manage files on computer. Many actions can be performed on files and folders using Window explorer. It can be used to cut, copy, past, rename» or delete a file or folder. It contains two panes. The left pane displays folders and drives in a tree view. The right pane shows the detailed view of the folder or drive selected in the left pane.

Starting Windows Explorer

The following steps are used for starting Windows explorer:

1. Click on Start but-ton. The Start menu will appear.

2. Click on Programs option. A list of installed programs will appear.

3. Select Windows Explorer.

Q.14. What is the procedure of creating new folder?

Ans : Creating New Folder

Folders are used to store files. A folder can be Created in a drive. A folder can also be created inside another folder.

The following procedure is used to create new folder:

1. Open Windows Explorer.

2. Select the drive or folder in which the new folder is to be created.

3. Right click in right pane in the white area. popup menu will appear.

4. Select New from the menu.

5. Select Folder. A new folder will appear.

6. Type the name of the new folder and press Enter.

Q.15. What is the procedure of deleting and renaming a file or folder?

Ans : Deleting a File or Folder

The following procedure is used to delete a file or folder:

  1. Open Windows Explorer.
  2. Select the file or folder to be deleted.
  3. Press Delete key. A message will appear to confirm the deletion.
  4. Click Yes button to delete the selected file or folder. The file or folder will move to the Recycle Bin.

Renaming a File or Folder

The following procedure is used to rename a file or folder:

  1. Open Windows Explorer.
  2. Right click the file or folder to be renamed. A popup menu will appear.
  3. Click Rename option. A cursor will appear in file or folder name.
  4. Type the new name and press Enter. The file or folder will be renamed.

Q.16. What is the procedure of copying a file or folder from floppy disk to other drive?

Ans : Copying a File or Folder from Floppy Disk to Other Drive

  1. The following procedure is used to copy a file or folder from floppy disk to other drive:
  2. Open Windows Explorer.
  3. Select 3.5 Floppy (Az) in the left pane. The contents of floppy disk will appear in the right pane.
  4. Right click the file or folder to be copied. A popup menu will appear.
  5. Select Copy from the menu.
  6. Select the folder where the file or folder is to be copied.
  7. Right click in the folder. A popup menu will appear.
  8. Select Paste from the menu. Windows will show file copying progress box. It will close automatically when copying is complete.

Q.17. What is a window? Describe different windows controls.

Ans : Window

A window is the basic building block of all graphical objects. Windows views most of the graphical objects as a window such as button, menu and toolbar etc.

Window Controls

All programs on Windows operating system contain common controls. These controls are used to scroll, size, move and close a window.

Different window controls are as follows:

Minimize button It is used to reduce a window to a button on the taskbar. The user can click the button of minimized window again to display it.

Maximize button It is used to enlarge a window to fill the screen. The user can also double click the title bar of the window to maximize it.

Restore button It is used to restore a window to its previous size. The Maximize button changes to Restore button when the window is maximized.

Close button It is used to close a window.

Scroll Bars The scroll bars appear at the right or bottom border of a window. They are used to move in the document.

Q.18. What is a menu? How can a user open and make a selection from menu?

Ans : Menu

A list of options to perform different tasks is “known as menu. These options are called commands on program menu. Each option in a menu performs a specific task.

Opening and Making Selection from Menu

Double click My Computer icon on the desktop. My Computer window will open.

Click Edit on menu bar. The Edit menu will appear with different commands. The dimmed commands mean that they are not available. It means that the command is not applicable to current selection or option.

Click Edit menu name. The menu will close.

Click View on menu bar. The View menu will appear.

Click List on View menu. The items in My Computer will appear in a list.

Point to Arrange Icons By option on View menu. A submenu will appear.

Click anywhere outside the menu to close it.

Click Close button in the upper-right corner of My Computer window. The window will close.

Q.19. WThat are the steps for changing desktop background?

Ans : The following procedure is used to change desktop background:

  1. Right click on desktop. A popup menu will appear.
  2. Click on Properties. A dialog box will appear.
  3. Click on Desktop tab.
  4. Select the desired background from Background box.
  5. Click Apply. The selected background will be applied.
  6. Click OK to close the dialog box.

Q.20. Write a note on computer virus.

Ans : Computer Virus

A computer virus is a program or set of programs that can cause damage to computer system. It may disturb the normal working of a computer system. The code in computer virus is attached to some part of operating system or computer programs. The instructions in the code tell the computer to perform some task. This task is often destructive such as:

A computer virus can damage data or software on the computer.

It can delete some or all files on the computer system.

It can destroy all data by formatting hard drive.

It may simply display a large happy face on the screen.

Some viruses only slow down the computer and cause no serious damage.

Q.21. How does a computer get a virus?

Ans : A computer virus is passed from computer to computer. A’ virus can be attached to any file that is copied to computer system. The user may download files from Internet or copy programs on floppy disks that may contain viruses. These are the most common ways of getting a virus on computer system.

Many viruses are spread through emails. Generally, a user cannot get virus by simply reading an email. However, certain viruses are very dangerous such as Klez. These viruses are automatically spread when the user opens the email. The virus is spread even if the user does not open the email attachment.

Normally, a virus is activated when the user executes a program that contains virus. For example, a user may have downloaded a computer game from Internet that contains a virus. The virus will be activated when the user runs that game on the computer.

 

Q.22. What is antivirus program? List different antivirus programs. What are the benefits of using anti-virus programs?

Ans : Antivirus

Antivirus is a software that is used to detect and remove a virus on computer system. A virus can be stopped from entering the computer with the help of good antivirus program. The antivirus software checks all files to detect virus. It can be installed and configured to work in the background.

The antivirus program should be used carefully. It should match with the operating system. For example, a Mac computer should use an antivirus program that is specially written for this system. Similarly, la computer with Windows operating system should use an antivirus program that is specially written for Windows. A mismatched antivirus program may cause unstable behavior and may. crash the computer system. New viruses are written every day. The antivirus companies constantly update their antivirus programs to protect users from new viruses.

Most popular antivirus programs are as follows:

  • McAfee
  • Symantec
  • AVG
  • Kaspersky

Benefits

  • Some important benefits of using antivirus programs are as follows:
  • Antivirus program protects important data from virus.
  • It checks all files before they enter computer system.
  • It alerts the user about the virus before it causes any damage to computer.
  • It quarantines or eliminatespa virus so that it may not harm computer.

Short Questions

Q.1. Define Windows operating system.

Ans : Windows operating system is a family of operating systems for personal computers. It is the most popular operating system used on personal computers. Almost 90% personal computers in the world use Windows. It was developed by Microsoft Corporation; It graphical user interface (GUI).

Q.2. How will you explain Hardware Compatibility?

Ans : Hardware compatibility means that Windows supports hardware from various vendors. It has the feature of plug and play. When a new hardware device is attached to computer, it detects the device and installs its driver automatically if it is available.

Q.3. Write down three features of Windows?

Ans : Three features of Windows are multitasking, hardware compatibility and easy Internet access.

Q.4. What is multitasking?

Ans : Multitasking is an ability of an operating system to execute more than one programs at the same time. A user can run multiple programs at the same time. Windows is a multitasking operating system.

Q.5. What are disk drives?

Ans : Disk drives are the devices that are used to store data. Most computers have hard drive, floppy drive and CD-ROM drive.

Q.6. Define folder.

Ans : The logical division of a drive where files are stored is known as folder. The folders are used to organize data stored on drives. The files are organized in folders to access them easily. The similar types of files are normally stored in single folder.

Q.7. What is the importance of folder?

Ans : Folders are very important in organizing the files on computer system. The files can be searched quickly and easily if they are stored in folders.

Q.8. Differentiate between file and folder.

Ans: A file is a collection of related data stored on a computer. Folders are used to organize the files on the disk.

Q.9. Write steps to create a folder.

Ans : 1. Open Windows Explorer and select the drive or folder in which the new folder is to be created.

2. Right click in right pane in the white area and select New from the menu.

3. Select Folder. A new folder will appear.

4. Type the name of the new folder and press Enter.

Q.10. What are different parts of a file? Give an example.

Ans : The file consists of file name and file extension separated by dot. File extension indicates the type of file. An example of file is MYFILE.TXT. In this example, MYFILE is the name of file and TXT is the file extension.

Q.11. Why is a file extension attached with a file?

Ans : A set of related data stored with single name is called file. The extension indicates the type of file and the application in which the file can be opened. The program used to create a file automatically assigns file extension to file. The user does not need to specify file extension to a file.

Q.12. What is icon?

Ans : An icon is a small graphic image. It appears on a program, drive, folder or document. Windows operating system uses icons frequently to make the environment user-friendly.

Q.13. Name some important icons of Windows operating system.

Ans : The important icons in Windows operating system are My Computer, My Documents, Recycle Bin and Internet Explorer.

Q.14. What is the difference between shortcut and icon?

Ans : A shortcut is a link to a program, drive, folder or document. It helps the user to execute commands quickly. An icon is a small graphic image. Windows operating system uses icons frequently to make the environment user-friendly.

Q.15. Differentiate between folder and drive.

Ans: A drive is the storage area on a storage device such as C:\ or E:\. The folder is a logical division of a drive where files are stored. The folders are used to organize data stored on drives.

Q. 16.Write the use of recycle bin.

Ans : Recycle Bin is a temporary storage area. It is used to keep deleted files. When a file or folder is deleted, it is not removed from the disk permanently. Windows moves it to Recycle Bin. The files remain there until the user recovers them or deletes them permanently.

Q.17. Describe the use of Internet Explorer.

Ans : Internet Explorer icon is used to launch Internet Explorer web browser. It is used to access the information available on the Internet. It is automatically installed during the installation of Windows. The user can double click the icon to start Internet Explorer. .

Q.18. What is the use of taskbar in Windows?

Ans : A bar that appears at the bottom of Windows desktop is known as taskbar. It displays Start button on the left side. It displays a button for each open application. The user can switch between different windows by clicking on required window.

Q.19. What is the benefit of using shortcut in Windows?

Ans : Shortcut is used to access files, folders, drives or printers quickly. It saves s lot of time.

Q.20. What is Windows explorer?

Ans : Window explorer acts as a file manager in Windows operating system. It is used to manage files and folders on computer. It is an efficient way to locate and manage files on computer. Many actions can be performed on files and folders using Window explorer.

Q.21. Write the steps to open Windows Explorer.

Ans : 1. Click On Start button. The Start menu will appear.

2. Click on Programs option. A list of installed programs will appear.

3. Select Windows Explorer.

Q.22. Define desktop.

Ans : The first screen that appears after logging into the computer is known as desktop. It contains different objects and icons.

Q.23. Name common icons displayed on desktop.

Ans : Desktop contains different icons on it. Some common icons are My Computer, My Documents and Recycle Bin etc.

Q.24. What is Start button?

Ans : Start button appears at the bottom of desktop. It is used to access various installed programs. The user can also access recently used files with Start button.

Q.25. Write the steps to open recently used document.

Ans : 1. Click Start button and point to Documents option. A list of recently used documents appears.

2. Click the required document to open.

Q.26. What is a menu?

Ans : A list of options to perform different tasks is known as menu. These options are called commands on program menu. Each option in a menu performs a specific task.

Q.27. What is control panel?

Ans : Control Panel is a collection of tools to change the appearance and working of computer. The tools are used to customize Windows according to user preferences. It contains different icons to perform different tasks.

Q.28. Write steps to search a file.

Ans : 1. Click on Start button. The Start menu will appear.

2. Select Find option from the menu. A new window will appear:

3. Enter appropriate words in the textboxes and click Search button.

Q.29. Define computer virus.

Ans : A computer virus is a program or set of programs that can cause damage to computer system. It may disturb the normal working of a computer system. The code in computer virus is attached to some part of operating system or computer programs.

Q.30. How does a computer get a virus?

Ans : A computer can get virus from a copied file in which a virus is attached. The user may download files from Internet or copy programs on floppy disks that may contain viruses.

Q.31. How virus is activated?

Ans : A virus is activated when the user executes a program that contains virus. A user may have downloaded a computer game that contains virus. It will be activated when the user runs that game.

Q.32. What is antivirus program?

Ans : Antivirus is a software that detects and removes a virus on computer. A virus can be stopped from entering computer with the help of a good antivirus program.

Q.33. Name different mouse actions.

Ans : Different mouse actions are point, click, right click, double click and drag.

Q.34. List different controls of a window.

Ans : Different controls of a window are Minimize button, Maximize button, Close button, Restore button and scrollbars.

Q.35. Name five options of control panel.

Ans : The five options of control panel are Add / Remove Hardware, Add/ Remove Programs, Printers, Keyboard and Mouse.

Q.36. Name different antivirus programs.

Ans : Different antivirus programs are McAfee, Semantic, AVG and Kaspersky.

Q.37. What is the proper way of shut downing the computer?

Ans : The proper way of shut downing the computer is to use shutdown command. The command is available in Start menu.

Q.38. Write the steps to shut down Windows.

Ans : 1. Click Start button. The Start menu will appear.

2. Click on Shutdown button. A new window will appear:

3. Select Shut down and then click click OK button.

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