JKSSB Mock Tests

Which of the following represents the correct hierarchy of memory from fastest to slowest?

A. Registers → Cache → RAM → Hard Disk
B. RAM → Registers → Cache → Hard Disk
C. Cache → Registers → Hard Disk → RAM
D. Hard Disk → RAM → Cache → Registers
Answer: Option A
Solution (By JKSSB Mock Tests Team)
Registers are inside the CPU and fastest; cache is next, then RAM, and finally secondary storage (HDD/SSD).
This Question Belongs to: Computer mcqs Computer set 2

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