Which of the following statements are true about RAM?

1.RAM is also called read-write memory or the main or primary memory

2.The programs and data the CPU requires during execution are stored in RAM

3.RAM is a volatile memory, as data is lost when the power is turned off

4.RAM is classified into two types, SRAM and DRAM

A1, 2 and 3

B2, 3 and 4

C1, 2, 3 and 4 ✓ Correct

D2 and 4

Correct answer: (C) 1, 2, 3 and 4

Explanation

All four statements about RAM are true.

Statement 1 is right, since RAM is the read write main or primary memory.

Statement 2 is right, since programs and data needed during execution reside in RAM.

Statement 3 is right, since RAM is volatile and loses data when power goes off.

Statement 4 is right, since RAM is divided into SRAM and DRAM.

DRAM needs constant refreshing while SRAM holds data without refresh.

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