COMPUTER SYSTEM ARCHITECTURE MCQS PART 27

COMPUTER SYSTEM ARCHITECTURE MCQS PART 27

1. _____ is a command given to a computer to perform a specified operation on some given data:
a. An instruction       
b. Command        
c. Code           
d. None of these
Answer A

2. An instruction is guided by_____ to perform work according:
a. PC            
b. ALU              
c. Both a and b               
d. CPU
Answer D

3. Two important fields of an instruction are:
a. Opcode                  
b. Operand         
c. Only a              
d. Both a & b
Answer D

4. Each operation has its _____ opcode:
a. Unique           
b. Two              
c. Three             
d. Four
Answer A

5. which are of these examples of Intel 8086 opcodes:
a. MOV           
b. ADD               
c. SUB                 
d. All of these
Answer  D

6. _______specify where to get the source and destination operands for the operation specified by the _______:
a. Operand fields and opcode                    
b. Opcode and operand
c. Source and destination                              
d. CPU and memory
Answer  A

7. The source/destination of operands can be the_______ or one of the general-purpose register:
a. Memory            
b. One           
c. both             
d. None of these
Answer  A

8. The complete set of op-codes for a particular microprocessor defines the______ set for that processor:
a. Code       
b. Function      
c. Module       
d. Instruction
Answer D
9. Which is the method by which instructions are selected for execution:
a. Instruction selection             
b. Selection control
c. Instruction sequencing   
d. All of these
Answer C

10. The simplest method of controlling sequence of instruction execution is to have each instruction explicitly specify:
a. The address of next instruction to be run
b. Address of previous instruction          
c. Both a & b  
d. None of these
Answer A