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21. ISP stands for,
a. Instruction Set Processor
b. Information Standard Processing
c. Interchange Standard Protocol
d. Interrupt Service Procedure
Discuss
Answer: (a).Instruction Set Processor

22. The internal Components of the processor are connected by _______ .
a. Processor intra-connectivity circuitry
b. Processor bus
c. Memory bus
d. Rambus
Discuss
Answer: (b).Processor bus

23. ______ is used to choose between increment the PC or performing ALU operations .
a. Conditional codes
b. Multiplexer
c. Control unit
d. None of these
Discuss
Answer: (b).Multiplexer

24. The registers, ALU and the interconnection between them are collectively called as _____ .
a. Process route
b. Information trail
c. Information path
d. Data path
Discuss
Answer: (d).Data path

25. _______ is used to store data in registers .
a. D flip flop
b. JK flip flop
c. RS flip flop
d. none of these
Discuss
Answer: (a).D flip flop

26. During the execution of the instructions, a copy of the instructions is placed in the ______
a. Register
b. RAM
c. System heap
d. Cache
Discuss
Answer: (d).Cache

27. Two processors A and B have clock frequencies of 700 Mhz and 900 Mhz respectively. Suppose A can execute an instruction with an average of 3 steps and B can execute with an average of 5 steps. For the execution of the same instruction which processor is faster ?
a. A
b. B
c. Both take the same time
d. Insuffient information
Discuss
Answer: (a).A

28. A processor performing fetch or decoding of different instruction during the execution of another instruction is called ______ .
a. Super-scaling
b. Pipe-lining
c. Parallel Computation
d. None of these
Discuss
Answer: (b).Pipe-lining

29. For a given FINITE number of instructions to be executed, which architecture of the processor provides for a faster execution ?
a. ISA
b. ANSA
c. Super-scalar
d. All of the above
Discuss
Answer: (c).Super-scalar

30. The clock rate of the processor can be improved by
a. Improving the IC technology of the logic circuits
b. Reducing the amount of processing done in one step
c. By using overclocking method
d. All of the above
Discuss
Answer: (d).All of the above

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