SSC CGL Computer Fundamentals Practice Test 3
15 advanced basics questions on architecture, number systems, operating flow, and office-use hardware awareness.
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SSC CGL Computer Fundamentals Practice Test 3
15 advanced basics questions on architecture, number systems, operating flow, and office-use hardware awareness.
Preview all 14 questions in SSC CGL Computer Fundamentals Practice Test 3 (no login required)
- Computer Architecture
1. Which among the following is NOT a component of the CPU?
- A. ALU
- B. Control Unit
- C. Output Unit (Correct)
- D. Registers
Explanation: The output unit is outside the CPU.
- Number System
2. Binary number system uses digits:
- A. 0 to 7
- B. 0 to 9
- C. 0 and 1 (Correct)
- D. 1 and 2
Explanation: The binary system is based only on 0 and 1.
- Storage
3. Which device is best suited for carrying data from one computer to another easily?
- A. Plotter
- B. Pen drive (Correct)
- C. Projector
- D. Motherboard
Explanation: A pen drive is a portable USB storage device.
- Hardware
4. A computer monitor is also known as:
- A. VDU (Correct)
- B. ALU
- C. CPU
- D. UPS
Explanation: Monitor is also referred to as Visual Display Unit.
- Power Backup
5. UPS is mainly used to:
- A. Increase internet speed
- B. Provide temporary backup power (Correct)
- C. Store documents
- D. Scan images
Explanation: UPS protects a computer during power cuts.
- Input Devices
6. MICR technology is mainly used in:
- A. Cheque processing (Correct)
- B. Video editing
- C. Web browsing
- D. Slide creation
Explanation: MICR is used to read characters on cheques.
- Input Devices
7. An optical mouse works using:
- A. Magnetic ink
- B. Light sensors (Correct)
- C. Voice recognition
- D. Mechanical gears only
Explanation: Optical mice track movement through light-based sensors.
- Output Devices
8. A plotter is commonly used for:
- A. Playing music
- B. Printing large engineering drawings (Correct)
- C. Typing data
- D. Internet access
Explanation: Plotters are designed for maps and blueprints.
- Software
9. Hardware cannot function without:
- A. Software (Correct)
- B. Monitor
- C. Scanner
- D. Projector
Explanation: Software provides instructions for hardware.
- Data Processing
10. Processed data is called:
- A. Noise
- B. Information (Correct)
- C. Signal only
- D. Storage
Explanation: Processed data becomes information.
- Memory
11. Cache memory is used to:
- A. Store movies permanently
- B. Speed up CPU access to frequently used data (Correct)
- C. Replace RAM fully
- D. Connect to the internet
Explanation: Cache improves processor performance.
- System Startup
12. POST runs when the computer:
- A. Prints a file
- B. Starts up (Correct)
- C. Connects to Wi-Fi
- D. Shuts down
Explanation: POST runs during startup.
- Input Devices
13. Which input device is used to draw directly on the computer screen in some setups?
- A. Light pen (Correct)
- B. Speaker
- C. Plotter
- D. Printer
Explanation: A light pen is used to select or draw on screen.
- Hardware
14. The motherboard is best described as:
- A. A printing device
- B. The main circuit board of the computer (Correct)
- C. An antivirus tool
- D. A type of document
Explanation: The motherboard connects major computer components.