A. To hold frequently accessed data for quick access
B. To provide backup storage
C. To permanently store data
D. To store the operating system
Answer: Option A
Solution (By JKSSB Mock Tests)
Cache memory is a small, fast memory located close to the CPU that stores copies of frequently accessed data from main memory to reduce average access time.
Explanation:
Hard disks are magnetic storage devices that use magnetic media to store data. SSDs and pen drives use flash memory, and Blu-ray uses optical technology.
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