COMPUTER SYSTEM ARCHITECTURE MCQS PART 16

COMPUTER SYSTEM ARCHITECTURE MCQS PART 16

1. In computers, subtraction is generally carried out by ______.
A. 9’s complement
B. 10’s complement
C. 1’s complement
D. 2’s complement
Ans: D

2. Assembly language ________.
a. uses alphabetic codes in place of binary numbers used in machine language
b. is the easiest language to write programs
c. need not be translated into machine language   
d. None of these
Ans: A

3. Suppose that a bus has 16 data lines and requires 4 cycles of 250 secs each to transfer data. The bandwidth of this bus would be 2 Megabytes/sec. If the cycle time of the bus was reduced to 125 secs and the number of cycles required for transfer stayed the same what would the bandwidth of the bus?
A. 1 Megabyte/sec              
B. 4 Megabytes/sec
C. 8 Megabytes/sec              
D. 2 Megabytes/sec
Ans: D

4. Floating point representation is used to store ______.
A. Boolean values
B. whole numbers 
C. real integers
D. integers
Ans: C

5. SIMD represents an organization that ______________.
a. refers to a computer system capable of processing several programs at the same time.
b. represents organization of single computer containing a control unit, processor unit and a memory unit.
c. includes many processing units under the supervision of a common control unit   
d. none of the above.
Ans: C

6. In Reverse Polish notation, expression A*B+C*D is written as
A. AB*CD*+         
B. A*BCD*+           
C. AB*CD+*             
D. A*B*CD+
Ans: A

7. Processors of all computers, whether micro, mini or mainframe must have
a. ALU     
b. Primary Storage   
c. Control unit    
d. All of above
Ans b

8. What is the control unit's function in the CPU?
a. To transfer data to primary storage   
b. to store program instruction
c. to perform logic operations         
d. to decode program instruction

9. What is meant by a dedicated computer?
a. which is used by one person only
b. which is assigned to one and only one task
c. which does one kind of software   
d. which is meant for application software only
Ans b

10. The most common addressing techniques employed by a CPU is
a. immediate
b. direct  
c. indirect
d. register
e. all of the above
Ans d