SSC CGL Computer Fundamentals Practice Test 5

1. Which device displays output on a screen?

• A. Monitor (Correct)
• B. Keyboard
• C. Mouse
• D. Scanner

Explanation: The monitor is the main visual output device.

2. Which device is used to type letters and numbers?

• A. Monitor
• B. Printer
• C. Keyboard (Correct)
• D. Speaker

Explanation: Keyboard is used for typing input.

3. RAM is called volatile because it:

• A. is expensive
• B. loses data without power (Correct)
• C. is permanent
• D. is always external

Explanation: RAM contents disappear when power is off.

4. CPU is often called the _____ of a computer.

• A. heart
• B. brain (Correct)
• C. eye
• D. screen

Explanation: CPU controls and processes instructions.

5. Which device produces a paper copy?

• A. Printer (Correct)
• B. Scanner
• C. Joystick
• D. Webcam

Explanation: Printers create hard copies.

6. A file is best described as:

• A. a storage location for related data (Correct)
• B. an input device
• C. a network cable
• D. a type of monitor

Explanation: Files store data in organized form.

7. Computers process data mainly in:

• A. decimal
• B. binary (Correct)
• C. roman numerals
• D. fractions

Explanation: Computers use 0s and 1s internally.

8. 1 KB equals:

• A. 100 bytes
• B. 512 bytes
• C. 1024 bytes (Correct)
• D. 2048 bytes

Explanation: A kilobyte is commonly 1024 bytes.

9. Which is a pointing device?

• A. Mouse (Correct)
• B. Speaker
• C. Microphone
• D. Plotter

Explanation: Mouse is used to point and click.

10. Starting a computer is called:

• A. printing
• B. booting (Correct)
• C. saving
• D. scrolling

Explanation: Booting means starting the system.

11. A folder mainly helps to:

• A. organize files (Correct)
• B. increase internet speed
• C. improve sound
• D. replace RAM

Explanation: Folders are used to manage and group files.

12. Data shown on a monitor is called:

• A. hard copy
• B. soft copy (Correct)
• C. firm copy
• D. printed copy

Explanation: Display output on screen is soft copy.