computer architechture

Computer Architecture

1. The basic function (s) performed by

computer is/are

(1) data processing (2) data storage

(3) data movement (4) data control

(5) All of these

2. …………. forms the backbone for building

successful computer system.

(1) Computer architecture

(2) Computer model

(3) Computer instructions

(4) None of the above

3. The first computer architecture was

introduced in

(1) 1970 (2) 1968

(3) 1971 (4) 1973

4. Which circuit board is used in all electronic

systems such as computer, calculators,

digital system?

(1) Architecture (2) Printer

(3) Value (4) Register

5. The system unit

(1) coordinates input and output devices

(2) is the container that houses electronic

components

(3) is a combination of hardware and software

(4) controls and manipulates data

6. Which of the following is metal or plastic

case that holds all the physical parts of the

computer? [IBPS Clerk Mains 2017]

(1) System unit (2) CPU

(3) Mainframe (4) Platform

(5) Microprocessor

QUESTION BANK

Tit-Bits

7. The components that process data are

located in which of the following?

[IBPS Clerk Mains 2017]

(1) Input devices (2) Output devices

(3) System unit (4) Storage component

(5) Expansion board

8. Which of the following is not responsible?

for the performance of the computer?

[IBPS Clerk Mains 2017]

(1) number of keys in the keyboard

(2) format of the video/graphics word

(3) memory in the video/graphics word

(4) the clock speed of the processor

(5) number of cores available in the processor

9. A(n) ……… device is any device that provides

information, which is sent to the CPU.

(1) input (2) output

(3) CPU (4) memory

10. Which of the following includes as a type of

input?

(1) data (2) programs

(3) commands (4) user response

(5) All of these

11. Information that comes from external

source and fed into computer software is

called. [IBPS RRB PO Mains 2017]

(1) Output (2) Input

(3) Throughout (4) Reports

(5) Process

12. Input unit converts data in computer in ……..

(1) suitable (2) acceptable

(3) understandable (4) rejectable

13. This unit sends the processed results to the

user.

(1) Input (2) Output

(3) Memory (4) CPU

14. Outputunitincludes

(1) plotter (2) printer

(3) monitor (4) All of these

15. This component is required to process data

into information and consists of integrated

circuits. [SBI Clerk 2011]

(1) Hard disk (2) RAM

(3) CPU (4) ROM

(5) None of these

16. The Central Processing Unit (CPU) in a

computer consists of

(1) input, output and processing

(2) control unit, primary storage and secondary

storage

(3) control unit, arithmetic logic unit, memory unit

(4) All of the above

17. Which instruction is used for loading data

into CPU accumulator register from memory?

(1) Load (2) Storage

(3) Machine (4) Access

18. Where does computer add and compare data?

(1) Hard disc (2) Floppy disc

(3) CPU chip (4) Memory chip

19. What is the brain of the computer?

[SSC CGL 2016]

(1) Keyboard (2) Mouse

(3) CPU (4) Printer

20. CPU is fabricated as a single integrated

circuit which is known as

(1) Motherboard (2) Microprocessor

(3) ALU (4) CU

21. The CPU chip used in a computer is

partially made of

(1) copper (2) iron (3) gold (4) silica

22. The main job of a CPU is to

(1) carry out program instructions

(2) store data/information for further use

(3) process data and information

(4) Both 1 and 3

23. The main purpose of time-sharing

techniques used in computers is to make the

best use of the

(1) CPU (2) peripherals

(3) secondary storage (4) floppy discs

24. The CPU is made up of two smaller

components

(1) ALU and CU (2) ALU and RAM

(3) RAM and ROM (4) RAM and CUz

25. The CPU comprises of control, memory and

….. units. [SBI PO 2013]  “

(1) microprocessor (2) arithmetic/logic

(3) output (4) ROM

(5) input

16 Learn, Revise & Practice ~ Computer Awareness

26. What is the responsibility of the logical unit

in the CPU of a computer?[IBPS Clerk 2015]

(1) To produce result

(2) To compare numbers

(3) To control flow of information

(4) To do Maths work

(5) None of the above

27. Which unit of computer helps in

communication between the memory and

the arithmetic logical unit?

[IBPS RRB PO Mains 2017]

(1) CMU (2) CCU

(3) UPS (4) CPU

(5) ALU

28. Whichpartofthecomputerisusedfor

calculatingandcomparing? [IBPSClerk2013]

(1) ALU (2) Control unit

(3) Disc unit (4) Modem

(5) None of these

29. Pick the one that is used for logical

operations or comparisons such as less than,

equal to or greater than etc.

(1) ALU (2) CU

(3) Input unit (4) MU

30. What does ALU in computing denote?

[IBPS Clerk 2014]

(1) Application and Logic Unit

(2) Algorithm Logic Unit

(3) Arithmetic Layered Unit

(4) Arithmetic Legal Unit

(5) Arithmetic Logic Unit

31. How many types of arithmetic operations

does the ALU of computer perform?

(1) 4 (2) 2

(3) 5 (4) 8

32. Processors contain a control unit and a/an :

(1) Control unit [SSC CGL 2016]

(2) Primary storage unit

(3) Input unit

(4) Arithmetic logic unit

33. Which of the following executes the

computer commands?

(1) Arithmetic unit (2) Logic unit

(3) Both ‘1’ and ‘2’ (4) Control unit

34. Which unit is a combinational digital

electronic circuit that performs arithmetic

and bitwise operations on integer binary

numbers? [IBPS RRB PO Mains 2017]

(1) BOU (2) AEU (3) CPU (4) ALU

(5) UPS

35. Internal memory in a CPU is nothing but

(1) a set of registers (2) a set of ALU

(3) microprocessor (4) bus

36. Which among the following is a small set of

data holding place that is a part of the

computer processor and may hold an

instruction, a storage address, or any kind

of data? [IBPS RRB PO Mains 2017]

(1) Register (2) WAN

(3) Bus (4) Address

(5) Processor

37. The portion of the CPU that coordinates the

activities of all the other computer

components is the [SBI PO 2015]

(1) motherboard (2) coordination board

(3) control unit (4) arithmetic logic unit

(5) None of these

38. Which among the following is an important

circuitry in a computer system that directs

the operation of the processor?

[IBPS PO 2016]

(1) Memory (2) Address Bus

(3) Accumulator (4) ALU

(5) Control unit

39. The part of a computer that coordinates all

its functions, is called its

[IBPS Clerk Mains 2017]

(1) ROM program (2) System board

(3) Arithmetic logic unit (4) Control unit

(5) None of these

40. The control unit controls other units by

generating [IBPS Clerk 2011]

(1) control signal (2) timing signal

(3) transfer signal (4) command signal

41. Control unit of a digital computer is often

called the

(1) clock (2) nerve centre

(3) Both ‘1’ and ‘2’ (4) IC

Computer Architecture 17

42. Who invent the first microprocessor?

(1) Vint Cerf (2) Terence Percival

(3) John Mauchly (4) Ted Hoff

43. A microprocessor is the brain of the

computer and is also called a

[RBI Grade B 2014]

(1) microchip (2) macrochip

(3) macroprocessor (4) calculator

(5) software

44. Microprocessors can be used to make

[SBI Clerk 2010]

(1) computer (2) digital system

(3) calculators (4) All of these

(5) None of these

45. The microprocessor is made up of millions of

(1) registers (2) transistors

(3) microchips (4) program counter

46. The microprocessor of a computer

(1) does not understand machine language

(2) understands machine language and high level

language

(3) understands only machine language

(4) understands only high level languages

47. Memory unit that communicates directly

with the CPU is called the

(1) main memory (2) secondary memory

(3) auxiliary memory (4) register

48. CPU retrieves its data and instructions from

(1) secondary memory (2) auxiliary memory

(3) main memory (4) All of these

49. Which computer memory is used for storing

programs and data currently being

processed by the CPU?

(1) Mass memory (2) Internal memory

(3) Non-volatilememory(4)PROM

50. The I/O processor has a direct access to ……

and contains a number of independent data

channels.

(1) main memory (2) secondary memory

(3) cache (4) flash memory

51. The word ‘computer’ usually refers to the

central processing unit plus

(1) external memory (2) internal memory

(3) input devices (4) output devices

52. The CPU and memory are located in which

of the following devices?

[IBPS Clerk Mains 2017]

(1) Motherboard (2) Expansion board

(3) Storage device (4) Output device

(5) System unit

53. The main circuit board in the computer that

connects the parts of the computer is the

[SBI Clerk 2015]

(1) motherboard (2) father board

(3) match board (4) hard drive

(5) special board

54. Personal computers use a number of chips

mounted on a main circuit board. What is

the common name for such boards?

(1) Daughterboard (2) Motherboard

(3) Broadboard (4) None of these

55. Which of the following are the components

that reside on motherboard?

(1) CMOS battery (2) Fan

(3) PCI slot (4) All of these

56. ThecommunicationlinebetweenCPU,

memoryandperipheralsiscalleda

[Union Bank of India Clerk 2011]

(1) bus (2) line

(3) media (4) All of these

(5) None of these

57. …………connectscomponentsinsidethe

motherboardlikeCPUandsystemmemory.

(1) Data bus (2) Address bus

(3) Internal bus (4) External bus

58. The address of I/O device or memory is

carried by the

(1) data bus (2) expansion bus

(3) address bus (4) system bus

59. A physical connection between the

microprocessor memory and other parts of

the micro computer is known as

(1) path (2) address bus

(3) route (4) All of these

60. The read/write line belongs to

(1) the data bus (2) the control bus

(3) the address bus (4) CPU bus

18 Learn, Revise & Practice ~ Computer Awareness

61. The name of the location of a particular

piece of data is its

(1) address

(2) memory name

(3) storage

(4) data location

62. Which of the following is used to connect

the different external devices?

(1) Address bus (2) Data bus

(3) Control bus (4) External bus

63. Which is not an integral part of computer?

[SBI Clerk 2012]

(1) CPU (2) Mouse

(3) Monitor (4) UPS

(5) None of these

64. A device that not only provides surge

protection, but also furnishes the computer

with battery backup power during a power

outage is [IBPS RRB PO Mains 2017]

(1) Battery strip (2) UPS

(3) Surge strip (4) USB

(5) Memory

65. A temporary storage area, attached to the

CPU, for I/O operations is a

(1) chip (2) buffer

(3) register (4) core

66. To measure the speed of the processor, ….. is

used.

(1) processing speed (2) clock speed

(3) memory (4) unit

67. A uniform interval of CPU time allocated

for use in performing a task is known as

(1) real time (2) seek time

(3) down time (4) time slice

68. What is the full form of DMA?

(1) Direct Memory Access

(2) Dynamic Memory Access

(3) Direct Metho Access

(4) Double Memory Access

69. The machine cycle includes

(1) fetch (2) decode (3) execute (4) store

(e) None of these

70. When machine instructions are being executed

by a computer, the instruction phase followed

by the execution phase is referred to as

(1) program cycle (2) machine instruction

(3) instruction cycle (4) task cycle

71. ……. is the process of carrying out commands.

(1) Fetching (2) Storing

(3) Decoding (4) Executing

72. The processor must have two inputs

(1) instructions and data

(2) information and data

(3) input and output

(4) CPU and instructions

73. …………. defines the parameters of the action

and depends on the operation.

(1) Op-code (2) Operand

(3) instructions (4) Data

74. Pipeline strategy is called implement

(1) instruction execution

(2) instruction prefetch

(3) instruction decoding

(4) instruction manipulation

75. On the motherboard, the connection points

for chips are referred to as

(1) slots (2) sockets (3) ports (4) lines

Computer Architecture 19

ANSWERS

  1. (5) 2. (1) 3. (1) 4. (1) 5. (2) 6. (1) 7. (3) 8. (1) 9. (1) 10. (5)
  2. (2) 12. (2) 13. (2) 14. (4) 15. (3) 16. (3) 17. (1) 18. (3) 19. (3) 20. (2)
  3. (4) 22. (4) 23. (1) 24. (1) 25. (2) 26. (2) 27. (4) 28. (1) 29. (1) 30. (5)
  4. (1) 32. (4) 33. (3) 34. (4) 35. (1) 36. (1) 37. (3) 38. (5) 39. (4) 40. (1)
  5. (2) 42. (4) 43. (1) 44. (4) 45. (2) 46. (3) 47. (1) 48. (3) 49. (2) 50. (1)
  6. (2) 52. (1) 53. (1) 54. (2) 55. (4) 56. (1) 57. (3) 58. (3) 59. (2) 60. (2)
  7. (1) 62. (4) 63. (4) 64. (2) 65. (2) 66. (2) 67. (4) 68. (1) 69. (5) 70. (3)
  8. (4) 72. (1) 73. (2) 74. (2) 75. (2)

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