Al Bahr Al Ahmar International School

1st Term Session 2017-18

Computer Revision Sheet

Grade: 4

Teacher: Fahad Tatri

Al Bahr Al Ahmar International School

1st Term 2017-18

Subject: Computer

Prepared by: Fahad Tatri

Objective Type Questions

1. Fill in the blanks with the correct words

  1. Computers are used at home for writing letters.
  2. In school, computers are used to teach different subjects using CDs
  3. A computer can be used to design buildings.
  4. Computers are used to maintain medical records of patients for future reference.
  5. In shop and hotels, computers are used to prepare bills.
  6. Input devices enable you to enter data into a computer.
  7. Devices through which you see output are called output devices.
  8. A trackball has a ball on the top, which is rolled with a finger to move the pointer on the screen.
  9. A web camera takes a series of images that can be viewed on a computer and transferred over the internet.
  10. A microphone is used to input and record voice, sound, and music on a computer.
  11. Windows Explorer is a program that enables you to view and manage files or folders.
  12. When you switch on the computer and start Windows, the first screen you see after the Windows has loaded is called the desktop.
  13. The small pictures on the desktop are called Icon.
  14. The background image that you see on the desktop is called the wallpaper
  15. The image that you see when your computer is idle for a specified time is called the Screen saver.

2. Write T for the True statement and F for false one.

  1. Computers cannot be used to watch films.
  2. Computers can be used to design cars.
  3. Computer controlled cameras cannot help doctors diagnose diseases.
  4. Robots are machines controlled by computers.
  5. Computers are used to make flight reservations.
  6. A keyboard is a pointing device.
  7. You can transfer pictures taken by a digital camera to a computer.
  8. A monitor is also called a VDU.
  9. Output on the monitor is called hard copy.
  10. Speakers are used to play music and sound from a computer.
  11. The Personalization window enables you to change the setting of the wallpaper.
  12. You can have your family photo as a wallpaper.
  13. You can set the wait for the screen saver.
  14. The right column of Window Explorer displays drives and folders.
  15. Once a folder is created, you cannot delete it.

3. Name the following.

  1. Computers are used here to teach different subjects.
  2. The technique of giving film or a character the appearance of movement.
  3. Computers are used by these people to diagnose diseases.
  4. These are fixed on satellite that orbit the Earth and take pictures of

the weather patterns on Earth.

  1. Machines that look like humans but are controlled by computers.
  2. I have many keys.
  3. I have two or more buttons and I can be clicked or doubled clicked.
  4. I am Generally used to play games on a computer.
  5. This command is used to hide the turtle after completing a drawing.
  6. I read and scan text and pictures directly to a computer.
  7. It is used to store a group of files with data on the same or different subjects.
  8. Whatever you have on your computer is accessible from this icon.
  9. The window through which you can change the screen saver.
  10. This program enables you to view and manage files or folders.
  11. To give a new name to an existing file or folder.

4. Answer the following

  1. List three uses of computers at home.

Ans: (1) Storing addresses and telephone numbers (2) playing games (3) watching films.

  1. What are computers used for in bands?

Ans: Computers are used in banks to update account balances and calculate interest.

  1. What is a desktop?

Ans: A desktop is the first screen that appears when you start your computer.

  1. What is Windows Explorer?

Ans: Window Explorer is a program that enables the user to view and manage files and folders.

  1. What are computer peripherals?

Ans: Input and output devices together are called computer peripherals.

5. Circle the correct option

  1. Which of the following are uses of computers at home?
  1. Playing games
  2. Writing letters
  3. Listening to music
  4. All of these
  1. The technique of giving an object or a character the appearance of movement.
  1. Move
  2. Moving
  3. Animation
  4. None of these.
  1. The full form of ATM is ------?
  1. Automated letter machine
  2. Automatic telling machine
  3. Automatic letter machine
  4. None of these.
  1. Which of the following statements is false?
  1. Computers help architects to design houses
  2. Hotels use computers to prepare bills
  3. Robots are machines controlled by computers
  4. Computers cannot be used in banks
  1. Machine controlled by a computer.
  1. Rose
  2. Robot
  3. Both i and ii
  4. None of these
  1. Which of these is not a pointing device?
  1. Mouse
  2. Keyboard
  3. Joystick
  4. Light pen
  1. Which of these is not an input device.
  1. Web camera
  2. Printer
  3. Digital camera
  4. Keyboard
  1. Which of these is not an output device?
  1. Printer
  2. Speakers
  3. VDU
  4. Microphone
  1. It take a series of images and transfer them over the Internet.
  1. Web camera
  2. Scanner
  3. Printer
  4. Digital camera
  1. The output from a printer is called.
  1. Soft copy
  2. Images
  3. Hard copy
  4. Result
  1. The background image on the desktop of a computer is called.
  1. Wallpaper
  2. Image
  3. Icon
  4. desktop
  1. An Image seen on the computer when it is idle for a specified time.
  1. Wallpaper
  2. Desktop
  3. Screen saver.
  4. Icon
  1. Windows Explorer is divided into ------panes.
  1. Two
  2. Three
  3. Four
  4. One
  1. Giving a new name to an existing file or folder.
  1. Rename
  2. Copy
  3. Move
  4. New
  1. This command makes a duplicate of a file or folder.
  1. Duplicate
  2. Move
  3. Copy
  4. None of these

Crosswords

1

2

Across:

Answers of Crosswords

Across: 3. EDITING 5. COPYING

Down: 1. INSERTING 4. DELETING 2. UNDO

Answers of Jumble words

1. SELECT 2. OVERTYPE 3. REDO 4. Delete 5. Enter

Wish you best of luck

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