A computer uses RAM chips of 1024 × 1 capacity. How many chips are needed to…
2020
A computer uses RAM chips of 1024 × 1 capacity.
How many chips are needed to provide memory capacity of 16K bytes?
- A.
8
- B.
1024
- C.
16
- D.
128
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Correct answer: D
Given: Each RAM chip has capacity 1024 × 1, which means 1024 bits = 1K bit.
Required memory: 16K bytes = 16K × 8 bits = 128K bits.
Capacity of one chip: 1K bit.
Number of chips: 128K bits ÷ 1K bit = 128.
Answer: 128 chips