Solved MCQ of Computer Organization and Architecture set-1



1. A collection of lines that connects several devices is called ..............

A) bus

B) peripheral connection wires

C) Both a and b

D) internal wires



2. A complete microcomputer system consist of ...........

A) microprocessor

B) memory

C) peripheral equipment

D) all of the above



3. PC Program Counter is also called ...................

A) instruction pointer

B) memory pointer

C) data counter

D) file pointer



4. In a single byte how many bits will be there?

A) 8

B) 16

C) 4

D) 32



5. CPU does not perform the operation ..................

A) data transfer

B) logic operation

C) arithmetic operation

D) all of the above



6. The access time of memory is ............... the time required for performing any single CPU operation.

A) Longer than

B) Shorter than

C) Negligible than

D) Same as



7. Memory address refers to the successive memory words and the machine is called as ............

A) word addressable

B) byte addressable

C) bit addressable

D) Terra byte addressable



8. A microprogram written as string of 0's and 1's is a .............

A) Symbolic microinstruction

B) binary microinstruction

C) symbolic microinstruction

D) binary micro-program



9. A pipeline is like ....................

A) an automobile assembly line

B) house pipeline

C) both a and b

D) a gas line



10. Data hazards occur when .....................

A) Greater performance loss

B) Pipeline changes the order of read/write access to operands

C) Some functional unit is not fully pipelined

D) Machine size is limited



Answers:



1. A) bus

2. D) all of the above

3. A) instruction pointer

4. A) 8

5. A) data transfer

6. A) Longer than

7. A) word addressable

8. D) binary microprogram

9. A) an automobile assembly line

10. B) Pipeline changes the order of read/write access to operands