TNPSC Computer Awareness - 50 Important Questions Answers
Click Here for Free Download
51. Current SIMMs have either ……… or……… connectors (pins)
(a) ( or 32
(b) 30 or 70
(c) 28 or 72
(d) 30 or 72
Answer: (d) 30 or 72
52. Which of the following is not an input device?
(a) VDU
(b) Speakers
(c) Keyboard
(d) (1) and (2)
Answer: (d) (1) and (2)
53. Which is considered a direct entry input devices?
(a) Optical scanner
(b) Mouse and Digitizer
(c) Light pen
(d) All of the above
Answer: (b) Mouse and Digitizer
54. Which is used for manufacturing chips?
(a) Bus
(b) Control unit
(c) Semiconductors
(d) (1) and (2) only
Answer: (c) Semiconductors
55. Which of the following printers are you sure will not to use if your objective is to print on multi carbon
forms?
(a) Daisy wheel
(b) Dot matrix
(c) Laser
(d) thimble
Answer: (c) Laser
56. Magnetic tape can serve as?
(a) Secondary storage media
b) Output media
(c) Input media
(d) All of the above
Answer: (d) All of the above
57. What is the responsibility of the logical unit in the CPU of a computer?
(a) To produce result
(b) To compare numbers
(c) To control flow of information
(d) To do math‟s works
Answer: (b) To compare numbers
58. The secondary storage devices can only store data but they cannot perform?
(a) Arithmetic operation
(b) Logic operation
(c) Fetch operations
(d) Either of the above
Answer: (d) Either of the above
59. Which of the printers used in conjunction with computers uses dry ink power?
(a) Daisy wheel printer
(b) Line printer
(c) Laser printer
(d) Thermal printer
Answer: (c) Laser printer
60. Which of the following produces the best quality graphics reproduction?
(a) Laser printer
(b) Ink jet printer
(c) Plotter
(d) Dot matrix printer
Answer: (c) Plotter
61. Which most popular input device is used today for interactive processing and for the one line entry of
data of data for batch processing?
(a) Mouse
(b) Magnetic disk
(c)visual display terminal
(d) Card punch
Answer: (a) Mouse
62. User programmable terminals that combine VDT hardware with built-in microprocessor is?
(a) Kips
(b) Pc
(c) Mainframe
(d) Intelligent terminals
Answer: (d) Intelligent terminals
63. The storage capacity of a disk system depends on the bits per inch of track and the tracks per inch of?
(a) Cylinder
(b) Hum
(c) Cluster
(d) Surface
Answer: (d) Surface
64. The disk drive component used to position read/write heads over a specific track I known as?
(a) Acoustic couples
(b) Access arm
(c) Cluster
(d) All of the above
Answer: (b) Access arm
65. An online backing storage system capable of storing larger quantities of data is?
(a) CPU
(b) Memory
(c) Mass storage
(d) Secondary storage
Answer: (c) Mass storage
66. Which is an item of storage medium in the form of circular plate?
(a) Disk
(b) CPU
(c) Printer
(d) ALU
Answer: (a) Disk
67. Another word for a daisy wheel printer?
(a) Petal printer
(b) Golf ball printer
(c) Laser printer
(d) Line printer
Answer: (b) Golf ball printer
68. An input/output device at which data enters or leaves a computer system is?
(a) Keyboard
(b) Terminal
(c) Printer
(d) Plotter
Answer: (b) Terminal
69. A group of magnetic tapes, videos or terminals usually under the control of one master is?
(a) Cylinder
(b) Surface
(c) Track
(d) Cluster
Answer: (d) Cluster
70. The brain of any computer system is?
(a) ALU
(b) Memory
(c) CPU
(d) Control unit
Answer: Answer: (c) CPU
71. Analog computer works on the supply of?
(a) Continuous electrical pulses
(b) Electrical pulses but not continuous
(c) Magnetic strength
(d) None of the above
Answer: (a) Continuous electrical pulses
72. Computers gather data, which means that allow users to _________ data?
(a) Present
(b) Input
(c) Output
(d) Store
Answer: (b) Input
73. After a picture has been taken with a digital camera and processed appropriately, the actual print of
the picture is considered?
(a) Data
(b) Output
(c) Input
(d) The process
Answer: (b) Output
74. ___________ is any part of the computer that you can physically touch?
(a) Hardware
(b) A device
(c) A peripheral
(d) An application
Answer: (a) Hardware
75. Instructions and memory address are represented by?
(a) Character code
(b) Binary code
(c) Binary word
(d) Parity word
Answer: (b) Binary code
76. The components that process data are located in the?
(a)Input devices
(b) Output devices
(c) System unit
(d) Storage component
(c) System unit
Answer:
77. All of the following are examples of input devices EXCEPT one?
(a) Scanner
(b) Mouse
(c) Keyboard
(d) None of these
Answer: (d) None of these
78. Which of the following is an example of an input device?
(a) Scanner
(b) Speaker
(c) CD
(d) Printer
Answer: (a) Scanner
79. All of the following are examples of storage devices EXCEPT a?
(a) Hard disk drives
(b) Printers
(c) Floppy disk drives
(d) CD drives
Answer: (b) Printers
80. The _________ also called the “brins” of the computer, is responsible for processing data?
(a) Motherboard
(b) Memory
(c) RAM
(d) Central processing unit (CPU)
Answer: (d) Central processing unit (CPU)
81. The CPU and memory are located on the?
(a) Expansion board
(b) Motherboard
(c) Storage device
(d) Output device
Answer: (b) Motherboard
82.__________ are specially designed computer chips that reside inside other devices, such as your car or
your electronic thermostat?
(a) Servers
(b) Embedded computers
(c) Robotic computers
(d) Mainframes
Answer: (b) Embedded computers
83. Which of the following devices can be processed to directly image printed text?
(a) OCR
(b) OMR
(c) MICR
(d) All of above
Answer: (a) OCR
84. The output quality of a printer is measured by
(a) Dot per inch
(b) Dot per sq. inch
(c) Dots printed per unit time
(d) All of above
Answer: (b) Dot per sq. inch
85. An error in software of hardware is called a bug . what is the alternative computer jargon for it ?
(a) Leech (b) Squid (c) Slug (d) Glitch
Answer: (d) Glitch
86._________ was the first output device to print graphics and large engineering drawings?
(a) Plotter
(b) Laser printer
(c) Inkjet printer
(d) Impact printer
Answer: (a) Plotter
87. Personal computers use a number of chips mounted on a main circuit board. What is this common
name for such boards?
(a) Daughter board
(b) Mother board
(c) Father board
(d) Breadboard
Answer: (b) Mother board
88. The system unit of a personal computer typically contains all of the following except?
(a) Microprocessor
(b) Disk controller
(c) Serial interface
(d) Modem
Answer: (d) Modem
89. The ALU of a computer responds to the commands coming from?
(a) Primary memory
(b) Control section
(c) External memory
(d) Cache memory
Answer: (b) Control section
90. What is the latest write – once optical storage media?
(a) Digital paper
(b) Magneto – optical disk
(c) WORM disk
(d) CD-ROM disk
Answer: (d) CD-ROM disk
91. Before a disk can access any sector record, a computer program has to provide the records disk
address, what information does the address specify?
(a) Track number
(b) Sector number
(c) Surface number
(d) All of the above
Answer: (d) All of the above
92. As compared to diskettes, the hard disks are?
(a) More expensive
(b) More portable
(c) Less rigid
(d) Slowly accessed
Answer: (a) More expensive
93. Floppy disks which are made from flexible plastic material are also called?
(a) Hard disks
(b) High – density disks
(c) Diskettes
(d) Templates
Answer: (c) Diskettes
94. Regarding a VDU, which statement is more correct?
(a) IT is an output device
(b) It is an input device
(c) It is a peripheral device
(d) IT is hardware item
Answer: (c) It is a peripheral device
95. What is the name of the computer terminal which gives paper printout?
(a) Display screen
(b) Soft copy screen
(c) Hard copy terminal
(d) Plotter
Answer: (c) Hard copy terminal
96. A kind of serial dot-matrix printer that forms characters with magnetically – charged ink sprayed dots
is called?
(a) Laser printer
(b) Ink-jet printer
(c) Drum printer
(d) chan printer
Answer: (b) Ink-jet printer
97. Which printer is very commonly used for desktop publishing?
(a) Laser printer
(b) Inkjet printer
(c) Daisy wheel printer
(d) Dot matrix printer
Answer: (a) Laser printer
98. An output device that uses words or messages recorded on a magnetic medium to produce audio
response is?
(a) Magnetic tape
(b) Voice response unit
(c) Voice recognition unit
(d) Voice band.
Answer: (b) Voice response unit
99. Perforated paper used as input of output media is known as?
(a) Paper tapes (b) Magnetic tape (c) Punched papers tape (d) Card punch
Answer:(a) Paper tapes
100. A/n …………. Device is any device that provides information, which is sent to the CPU?
(a) Input
(b) Output
(c) CPU (d) Memory
(a) Input
Answer: (a) Input