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