What is the difference between SRAM and DRAM?Each correct answer represents a complete
solution. Choose two.

A.
DRAM is used in Cache memory and SRAM is used in Video memory.

B.
SRAM has in-built switches and does not have to be refreshed but DRAM needs to be
refreshed.

C.
SRAM is faster than DRAM.

D.
DRAM is faster than SRAM.

Explanation:

Static Random Access Memory (SRAM) has in-built switches that do not have to be refreshed.
Dynamic Random Access Memory (DRAM) uses capacitors instead of switches that need constant
refresh signals to keep information in the memory. DRAM requires more power than that of
SRAM, therefore, SRAM is mostly used in desktop computers.
With an access time of 15 to 30 nanoseconds, SRAM is faster than DRAM that has an access time of
80 nanoseconds or more.