IBPS SO IT Officer Professional Knowledge – Computer Architecture – 10

Hello and welcome to exampundit. Here is a set of IBPS Specialist Officer IT Officer Professional Knowledge Test on Computer Architecture.

IBPS SO IT Officer Professional Knowledge

 

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

Answer

Option: 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

Answer

Option: A

 

 

3. Suppose that a bus has 16 data lines and requires 4 cycles of 250 nsecs 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 nsecs 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

Answer

Option: D

 

 

4. Floating point representation is used to store ______.
a) Boolean values
b) whole numbers
c) real integers
d) integers

Answer

Option: 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.

Answer

Option: 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+

Answer

Option: 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

Answer

Option: 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

Answer

Option: E

 

 

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

Answer

Option: B

 

 

10. The most common addressing techniques employed by a CPU is
a) immediate
b) direct
c) indirect
d) register

Answer

Option: D

 

 

11. Pipeline implement
a) fetch instruction
b) decode instruction
c) fetch operand
d) calculate operand

Answer

Option: D

 

 

12. Which of the following code is used in present day computing was developed by IBM corporation?
a) ASCII
b) Hollerith Code
c) Baudot code
d) EBCDIC code

Answer

Option: D

 

 

13. When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the
a) stack pointer
b) accumulator
c) program counter
d) stack

Answer

Option: D

 

 

14. A microprogram written as string of 0’s and 1’s is a
a) symbolic microinstruction
b) binary microinstruction
c) symbolic microprogram
d) binary microprogram

Answer

Option: D

 

 

15. Interrupts which are initiated by an instruction are
a) internal
b) external
c) hardware
d) software

Answer

Option: B

 

 

16. Memory access in RISC architecture is limited to instructions
a) CALL and RET
b) PUSH and POP
c) STA and LDA
d) MOV and JMP

Answer

Option: C

 

 

17. A collection of lines that connects several devices is called …………..
A) bus
B) peripheral connection wires
C) Both a and b
D) internal wires

Answer

Option: A

 

 

18. A complete microcomputer system consist of ………..
A) microprocessor
B) memory
C) peripheral equipment
D) all of the above

Answer

Option: D

 

 

19. PC Program Counter is also called ……………….
A) instruction pointer
B) memory pointer
C) data counter
D) file pointer

Answer

Option: A

 

 

20. In a single byte how many bits will be there?
A) 8
B) 16
C) 4
D) 32

Answer

Option: A

 

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Regards

Team EP

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