Which of the following statements about SRAM are true?
Each correct answer represents a complete solution. Choose three.
A.
SRAM is made of capacitors.
B.
SRAM is more expensive than DRAM.
C.
SRAM is made of a special circuit called a flip-flop.
D.
SRAM is used for caching.
Explanation:
Static RAM (SRAM) is a type of memory chip made of a special circuit known as flip-flop. It is
significantly faster than DRAM. Unlike DRAM memory
chip circuits, it does not have to be refreshed because it uses the flip-flop circuit to store each bit.
SRAM memory chips are generally used for
caching. It has a disadvantage that it is more expensive than DRAM.
Answer option A is incorrect. Dynamic Random Access Memory (DRAM) memory chip circuits are
made of tiny capacitors. DRAM is slower than
SRAM, as it needs to be refreshed.