SSC CGL Fundamentals & Basics Verified Practice Test 1

1. Which of the following is an input device?

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

Explanation: A keyboard is used to enter data into the computer.

2. A touchpad mainly works by sensing:

• A. Heat only
• B. Finger movement and pressure (Correct)
• C. Voice commands
• D. Magnetic ink

Explanation: A touchpad senses finger movement and taps or pressure.

3. Which unit performs arithmetic and logical operations in a computer?

• A. Control Unit
• B. ALU (Correct)
• C. Memory Unit
• D. Output Unit

Explanation: The Arithmetic Logic Unit handles calculations and comparisons.

4. The speed of a dot matrix printer is generally measured in:

• A. Pages per minute
• B. Characters per second (Correct)
• C. Bits per second
• D. Dots per inch

Explanation: Dot matrix printers are commonly measured in CPS.

5. Which device converts the sound-card signal into audio output?

• A. Monitor
• B. Speaker (Correct)
• C. Plotter
• D. Scanner

Explanation: Speakers convert electrical signals into sound.

6. Which of the following is NOT an output device?

• A. Plotter
• B. Barcode reader (Correct)
• C. Monitor
• D. Dot matrix printer

Explanation: A barcode reader captures data and sends it to the computer.

7. Which of the following is a secondary storage device?

• A. RAM
• B. Hard disk (Correct)
• C. Cache
• D. Register

Explanation: Hard disks are used for permanent data storage.

8. The physical parts of a computer are called:

• A. Software
• B. Hardware (Correct)
• C. Firmware
• D. Shareware

Explanation: All tangible computer components together are called hardware.

9. A USB drive is connected through which type of port?

• A. HDMI
• B. USB (Correct)
• C. VGA
• D. PS/2

Explanation: Pen drives connect through USB ports.

10. Starting a computer from the off state is called:

• A. Debugging
• B. Booting (Correct)
• C. Compiling
• D. Formatting

Explanation: Loading the system from off state is booting.

11. OCR is mainly used to:

• A. Print photographs
• B. Convert printed text into editable digital text (Correct)
• C. Play audio files
• D. Compress folders

Explanation: OCR converts scanned printed text into machine-readable text.

12. VDU is related to:

• A. Storage
• B. Input
• C. Display (Correct)
• D. Networking

Explanation: VDU stands for Visual Display Unit.

13. Which device is specially used for entering images and documents into a computer?

• A. Speaker
• B. Scanner (Correct)
• C. Plotter
• D. Projector

Explanation: A scanner digitizes paper documents and images.

14. Which of the following is the smallest unit of data in a computer?

• A. Byte
• B. Bit (Correct)
• C. Nibble
• D. Kilobyte

Explanation: A bit is the smallest unit of information in computing.

15. One byte is equal to:

• A. 4 bits
• B. 8 bits (Correct)
• C. 16 bits
• D. 32 bits

Explanation: A byte consists of 8 bits.