Computer Organization 5

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Electronic Engineering MCQ Question Papers: ENTC, IT Interview Placement

Subject: Computer Organization 5

Part 5: List for questions and answers of Computer Organization


Q1. During the execution of the instructions, a copy of the instructions is placed in the ______

a) Register

b) RAM

c) System heap

d) Cache


Q2. 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) Insufficient information


Q3. 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


Q4. For a given FINITE number of instructions to be executed, which architecture of the processor provides for a faster execution?

a) ISA


c) Super-scalar

d) All of the above


Q5. 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 over clocking method

d) All of the above 


Q6. 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 management

d) Both a and c


Q7. 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


Q8. SPEC stands for,

a) Standard Performance Evaluation Code

b) System Processing Enhancing Code

c) System Performance Evaluation Corporation

d) Standard Processing Enhancement Corporation


Q9. As of 2000, the reference system to find the performance of a system is _____

a) Ultra SPARC 10



d) None of these


Q10. When performing a looping operation, the instruction gets stored in the ______

a) Registers

b) Cache

c) System Heap

d) System stack


Q11. 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 


Q12. 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


Q13. 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


Q14. CISC stands for,

a) Complete Instruction Sequential Compilation

b) Computer Integrated Sequential Compiler

c) Complex Instruction Set Computer

d) Complex Instruction Sequential Compilation


Q15. 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


Q16. Which register is memory pointer ?

a) Source index

b) Instruction register

c) Stack pointer

d) Program counter


Q17. In which of the following status flags required for data transfer are present ?

a) Interface Circuit

b) Parallel Line

c) Device Circuit

d) None of Above 


Q18. The main virtue for using single Bus structure is ,

a) Fast data transfers

b) Cost effective connectivity and speed

c) Cost effective connectivity and ease of attaching peripheral devices

d) None of these


Q19. ______ are used to overcome the difference in data transfer speeds of various devices

a) Speed enhancing circuitory

b) Bridge circuits

c) Multiple Buses

d) Buffer registers


Q20. To extend the connectivity of the processor bus we use ______

a) PCI bus

b) SCSI bus

c) Controllers

d) Multiple bus 


Part 5: List for questions and answers of Computer Organization


Q1. Answer: d


Q2. Answer: a


Q3. Answer: b


Q4. Answer: c


Q5. Answer: d


Q6. Answer: c


Q7. Answer: a


Q8. Answer: c


Q9. Answer: a


Q10. Answer: b


Q11. Answer: c


Q12. Answer: d


Q13. Answer: c


Q14. Answer: c


Q15. Answer: b


Q16. Answer: d


Q17. Answer: a


Q18. Answer: c


Q19. Answer: d


Q20. Answer: a