1. The power requirements of a DRAM in active and stand by modes is about
a. 350 mW and 5 mW respectively
b. 350 mW each
c. 5 mW each
d. 350 mW and 100 mW respectively
Ans- a. 350 mW and 5 mW respectively
2. The size of cache memory in most microcomputers is about
a. a few bytes
b. a few kilobytes
c. a few megabytes
d. a few gigabytes
Ans- b. a few kilobytes
3. During processing the instructions, data, intermediate results and final results in a computer are held in
a. CPU
b. ALU
c. Primary memory
d. Secondary memory
Ans- c. Primary memory
4. Which of the following computer memories is fastest?
a. Cache
b. Primary
c. Mass storage
d. Off line back up
Ans- a. Cache
5. The number of storage classes in C is
a. 2
b. 3
c. 4
d. 6
Ans- c. 4
6. Which of the following is not a valid real constant in C?
a. 1.2 e 2.0
b. -2.3 e - 2
c. -2.3 E 2
d. -2.3 e 2
Ans- c. -2.3 E 2
7. In a computer the instructions, data, intermediate and final results during processing are held in ALU.
a. TRUE
b. FALSE
Ans- b. FALSE
8. Computer virus can hide itself in a diskette but not in a hard disk.
a. TRUE
b. FALSE
Ans- b. FALSE
9. Z flag is reset if an ALU operation results in 0.
a. TRUE
b. FALSE
Ans- b. FALSE
10. Which of the following is not a valid variable name in C?
a. p o, t
b. p o t
c. po_t
d. p_ot
Ans- a. p o, t