Computer Fundamentals & Hardware
JKSSB Junior Assistant · Basic Concepts of Computers · 21 practice questions with answers and explanations: 8 Easy, 8 Medium, 5 Hard.
Sample questions
Sample Easy question 1
UPS, used to keep a computer running during a power cut, stands for:
- Uninterruptible Power Supply
- Universal Power Source
- Unified Processing System
- Upper Power Switch
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Answer: A. An Uninterruptible Power Supply gives backup power from a battery for a short time.
Sample Medium question 2
Which of the following is NOT a secondary storage device?
- Solid-state drive
- Pen drive
- DVD
- RAM
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Answer: D. RAM is primary (main) memory. SSDs, pen drives and DVDs store data permanently and are secondary storage.
Sample Hard question 3
A computer's motherboard primarily serves to:
- Store permanent files only
- Connect and allow communication between all major hardware components
- Cool the CPU
- Display graphics on the monitor
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Answer: B. The motherboard is the main circuit board that connects the CPU, RAM, storage, and other components, allowing them to communicate.