Which of the following is a type of memory that is used for storing data temporarily during computation? MCQ with Answer and Explanation

Question
Which of the following is a type of memory that is used for storing data temporarily during computation?
A. Cache memory
B. Optical disc
C. Hard disk
D. ROM
Answer: Option A
Solution (By JKSSB Mock Tests)
Cache memory temporarily stores data and instructions for quick access during computation. ROM is permanent, hard disk and optical discs are secondary storage.
This question belongs to: Computer Memory and Storage Devices
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Practice More Memory and Storage Devices Questions

Question #1
Which of the following describes the core distinction between standard RAM and ROM?
A. RAM can only be read, while ROM can be both read and written to.
B. RAM is volatile and temporary, whereas ROM is non-volatile and permanent.
C. RAM relies entirely on optical lasers, while ROM utilizes magnetic fields.
D. RAM is positioned outside the motherboard architecture entirely.
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Correct Answer: Option B

Explanation:
RAM loses all data immediately when system power drops (volatile), while ROM retains its stored instructions permanently without electrical current (non-volatile).
This question belongs to: Computer Memory and Storage Devices
Question #2
What is the maximum capacity of a standard CD-RW disc?
A. 650 MB
B. 700 MB
C. 1 GB
D. 800 MB
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Correct Answer: Option B

Explanation:
A standard CD-RW has a capacity of 700 MB (80 minutes). Some older ones were 650 MB. CD-RW is rewritable.
This question belongs to: Computer Memory and Storage Devices
Question #3
What is the purpose of the memory alignment in programming?
A. To reduce power consumption
B. To simplify memory management
C. To increase memory capacity
D. To ensure data is stored at addresses that are multiples of its size for performance
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Correct Answer: Option D

Explanation:
Memory alignment refers to placing data at memory addresses that are multiples of the data's size, which can improve performance by reducing the number of memory accesses needed.
This question belongs to: Computer Memory and Storage Devices
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