What is the primary storage device in a computer? MCQ with Answer and Explanation

Question
What is the primary storage device in a computer?
A. SSD
B. RAM
C. ROM
D. Hard disk
Answer: Option B
Solution (By JKSSB Mock Tests)
Primary storage refers to RAM, which holds data and instructions currently being processed.
This question belongs to: Computer Computer Fundamentals
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Practice More Computer Fundamentals Questions

Question #1
A microchip embedded within a modern household refrigerator or microwave to manage temperature and timers automatically functions as a/an:
A. Analog Computer
B. Mainframe Computer
C. Supercomputer
D. Embedded Computer
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Correct Answer: Option D

Explanation:
Embedded computers are dedicated microprocessors integrated directly into non-computer hardware to control specific automated tasks.
This question belongs to: Computer Computer Fundamentals
Question #2
What type of operating systems and user interfaces were primarily used during the third generation of computers?
A. Gesture-based Interface
B. Graphical User Interface (GUI)
C. Time-sharing and Remote-processing Operating Systems
D. Command Line Interface (CLI) with batch processing
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Correct Answer: Option C

Explanation:
The third generation (IC era) saw the introduction of multi-programming, time-sharing, and early operating systems that allowed remote terminal access.
This question belongs to: Computer Computer Fundamentals
Question #3
A network server machine that hosts files, websites, or communication tools for a large corporate department belongs to which category?
A. Embedded Computer
B. Supercomputer
C. Analog Computer
D. Minicomputer / Mid-range Server
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Correct Answer: Option D

Explanation:
Mid-range servers and minicomputers are engineered to handle multi-user business networks and medium-scale database serving operations.
This question belongs to: Computer Computer Fundamentals
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