IT objective type questions part-5

41.4 bits is equal to
a. 1 nibble
b.1 byte
c. 2 byte
d. none of above
42. which is non-volatile memory
a. RAM
b. ROM
c. both
d. none
43. The contents of these chips are lost when the computer is switched off?
a. ROM chips
b. RAM chips
c. DRAM chips
d. none of above
44.What are responsible for storing permanent data and instructions.?
a. RAM chips
b. ROM chips
c. DRAM chips
d. none of above
45. Which parts of the computer perform arithmetic calculations?
a. ALU
b. Registers
c. Logic bus
d. none of above
46.How many bits of information can each memory cell in a computer chip hold?
a. 0 bits
b. 1 bit
c. 8 bits
d. 2 bits
47.What type of computer chips are said to be volatile?
a. RAM chips
b. ROM chips
c. DRAM
d. none of above
48.Which generation of computer uses more than one microprocessor?
a. Second generation
b. Fifth generation
c.Third generation
d .none of above
49.Which generation of computer developed using integrated circuits?
a. Second generation
b. Fifth generation
c. Third generation
d. none of above

50.Which generation of computer was developed from microchips?
a. Second generation
b. Third generation
c. Fourth generation
d. none of above