Which memory metric describes the time interval between a memory controller issuing a command and the data becoming available on the output pins? MCQ with Answer and Explanation
Which memory metric describes the time interval between a memory controller issuing a command and the data becoming available on the output pins?
A. Bandwidth
B. CAS Latency
C. Refresh rate
D. Clock Rate
Answer: Option B
Solution (By JKSSB Mock Tests)
CAS (Column Address Strobe) Latency indicates the delay cycle count between an internal data request command and when the first bit of data is delivered.
Explanation:
SRAM is substantially faster than DRAM because it uses a multi-transistor configuration (flip-flops) that retains state instantly without periodic electrical refreshing.
Explanation:
A standard single-layer DVD holds about 4.7 GB (or 4.38 GiB) of data. A CD holds ~700 MB, Blu-ray single layer ~25 GB, and pen drives vary.
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