Hello and welcome to exampundit. Here is a set of IBPS Specialist Officer IT Officer Professional Knowledge Test on Computer Architecture.
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
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: D
[/su_spoiler]
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
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: A
[/su_spoiler]
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
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: D
[/su_spoiler]
4. Floating point representation is used to store ______.
a) Boolean values
b) whole numbers
c) real integers
d) integers
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: C
[/su_spoiler]
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.
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: C
[/su_spoiler]
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+
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: A
[/su_spoiler]
7. Processors of all computers, whether micro, mini or mainframe must have
a) ALU
b) Primary Storage
c) Control unit
d) All of above
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: B
[/su_spoiler]
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
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: E
[/su_spoiler]
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
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: B
[/su_spoiler]
10. The most common addressing techniques employed by a CPU is
a) immediate
b) direct
c) indirect
d) register
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: D
[/su_spoiler]
11. Pipeline implement
a) fetch instruction
b) decode instruction
c) fetch operand
d) calculate operand
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: D
[/su_spoiler]
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
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: D
[/su_spoiler]
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
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: D
[/su_spoiler]
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
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: D
[/su_spoiler]
15. Interrupts which are initiated by an instruction are
a) internal
b) external
c) hardware
d) software
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: B
[/su_spoiler]
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
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: C
[/su_spoiler]
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
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: A
[/su_spoiler]
18. A complete microcomputer system consist of ...........
A) microprocessor
B) memory
C) peripheral equipment
D) all of the above
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: D
[/su_spoiler]
19. PC Program Counter is also called ...................
A) instruction pointer
B) memory pointer
C) data counter
D) file pointer
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: A
[/su_spoiler]
20. In a single byte how many bits will be there?
A) 8
B) 16
C) 4
D) 32
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: A
[/su_spoiler]
Click here to access all the Professional Knowledge questions.
Regards
Team EP
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
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: D
[/su_spoiler]
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
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: A
[/su_spoiler]
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
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: D
[/su_spoiler]
4. Floating point representation is used to store ______.
a) Boolean values
b) whole numbers
c) real integers
d) integers
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: C
[/su_spoiler]
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.
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: C
[/su_spoiler]
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+
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: A
[/su_spoiler]
7. Processors of all computers, whether micro, mini or mainframe must have
a) ALU
b) Primary Storage
c) Control unit
d) All of above
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: B
[/su_spoiler]
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
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: E
[/su_spoiler]
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
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: B
[/su_spoiler]
10. The most common addressing techniques employed by a CPU is
a) immediate
b) direct
c) indirect
d) register
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: D
[/su_spoiler]
11. Pipeline implement
a) fetch instruction
b) decode instruction
c) fetch operand
d) calculate operand
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: D
[/su_spoiler]
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
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: D
[/su_spoiler]
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
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: D
[/su_spoiler]
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
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: D
[/su_spoiler]
15. Interrupts which are initiated by an instruction are
a) internal
b) external
c) hardware
d) software
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: B
[/su_spoiler]
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
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: C
[/su_spoiler]
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
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: A
[/su_spoiler]
18. A complete microcomputer system consist of ...........
A) microprocessor
B) memory
C) peripheral equipment
D) all of the above
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: D
[/su_spoiler]
19. PC Program Counter is also called ...................
A) instruction pointer
B) memory pointer
C) data counter
D) file pointer
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: A
[/su_spoiler]
20. In a single byte how many bits will be there?
A) 8
B) 16
C) 4
D) 32
[su_spoiler title="Answer" style="fancy" icon="arrow-circle-1"]
Option: A
[/su_spoiler]
Click here to access all the Professional Knowledge questions.
Regards
Team EP