Computer Organization And Architecture Multiple Choice Questions on Performance of a System

This set of Computer Organization and Architecture MCQ focuses on “Factors affecting performance of the system and its measurement”.

1.During the execution of the instructions, a copy of the instructions is placed in the ______ .

a) Register

b) RAM

c) System heap

d) Cache

2. 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

3. 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

4.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

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

6.An optimizing Compiler does,

a) Better compilation of the given piece of code.

b) Takes advantage of the type of processor and reduces its process time.

c) Does better memory managament.

d) Both a and c

7.The ultimate goal of a compiler is to,

a) Reduce the clock cycles for a programming task.

b) Reduce the size of the object code.

c) Be versatile.

d) Be able to detect even the smallest of errors.

8.SPEC stands for,

a) Standard Performance Evaluation Code.

b) System Processing Enhancing Code.

c) System Performance Evaluation Corporation.

d) Standard Processing Enhancement Corporation.

9.As of 2000, the reference system to find the performance of a system is _____ .

a) Ultra SPARC 10

b) SUN SPARC

c) SUN II

d) None of these

10.When Performing a looping operation, the instruction gets stored in the ______ .

a) Registers

b) Cache

c) System Heap

d) System stack

11.The average number of steps taken to execute the set of instructions can be made to be less than one by following _______ .

a) ISA

b) Pipe-lining

c) Super-scaling

d) Sequential

12.If a processor clock is rated as 1250 million cycles per second, then its clock period is ________ .

a) 1.9 * 10 ^ -10 sec

b) 1.6 * 10 ^ -9 sec

c) 1.25 * 10 ^ -10 sec

d) 8 * 10 ^ -10 sec

13.If the instruction, Add R1,R2,R3 is executed in a system which is pipe-lined, then the value of S is (Where S is term of the Basic performance equation)

a) 3

b) ~2

C) ~1

d) 6

14.CISC stands for,

a) Complete Instruction Sequential Compilation

b) Computer Integrated Sequential Compiler

c) Complex Instruction Set Computer

d) Complex Instruction Sequential Compilation

15.As of 2000, the reference system to find the SPEC rating are built with _____ Processor .

a) Intel Atom SParc 300Mhz

b) Ultra SPARC -IIi 300MHZ

c) Amd Neutrino series

d) ASUS A series 450 Mhz