Input Output Devices Of Computer 150+ MCQ For All Competitive Exam
Input output devices of computer
1. A device that allows users to feed data into a computer for analysis and storage and to give commands to the computer is called
a) Output device
b) Input device
c) Memory
d) Both a and b
Ans - B
2. User communicates with a computer with the help of which devices?
a) Input device
b) Output device
c) Software device
d) Both a and b
Ans - D
3. Which device allows you to enter data and instructions into a computer?
a) Input device
b) Output device
c) ALU
d) CPU
Ans - A
4. Which device converts human-understandable data and programs into a form that computers can understand and process?
a) Output
b) Monitor
c) Input
d) All of the above
Ans - C
5. A device that communicates the results of data processed by the computer and converts the digital information into a form that humans can easily read and understood is called
a) Input
b) Monitor
c) Output
d) Keyboard
Ans - C
6. Which of the following groups are only input devices?
a) Mouse, keyboard, printer, Light pen
b) Mouse, keyboard, Scanner, Joystick, Light pen
c) Mouse, keyboard, Trackball, Touch Screen, Microphone
d) Both b and c
Ans - D
7. Which of the following is not a pointing device?
a) Mouse
b) Joystick
c) Light pen
d) Digitizer
Ans - D
8. Which input device is used for input text, numbers, and commands to the computer?
a) Mouse
b) Keyboard
c) Scanner
d) All of the above
Ans - B
9. Which input device is/are used to move the cursor position on a monitor screen?
a) Mouse
b) Joystick
c) Light pen
d) Both a and b
Ans - D
10. The number of function keys in a keyboard is
(a) 14
(b) 12
(c) 13
(d) 15
Ans - B
11. Ctrl, Shift, and Alt are known as _ _ _ _ _ _ _keys.
(a) function
(b) modifier
(c) alphanumeric
(d) adjustment
Ans - B
12. Which key of keyboard is used to make characters either upper or lower case?
(a) ESC
(b) Return
(c) Shift
(d) Both a and c
Ans - C
13. The use of tab key in the keyboard is
(a) to move a cursor across the screen
(b) to indent a paragraph
(c) to move the cursor down the screen
(d) Both a and c
Ans - D
14. Mouse is
(a) pointing and drop device
(b) cursor-control device
(c) monitoring device
(d) Both a and b
Ans - D
15. The first computer mouse was developed by
(a) Douglas Engelbart
(b) William English
(c) Daniel Cougher
(d) Robert Zawaski
Ans - A
17. Which of the following is used in an optical mouse?
(a) Infrared light
(b) Light Emitting Diode (LED)
(c) Sensor
(d) Microwave
Ans - B
18. Wireless mouse communicates through
(a) radiowaves
(b) infrared wave
(c) microwaves
(d) Electromagnetic signal
Ans - A
19. Which of the following are not input devices?
(a) Webcam and Microphone
(b) Bar Code Reader and Smart Card Reader
(c) Optical Character Reader and Optical Mark Recognition
(d) Monitor and Printer
Ans - D
20. Which of the following is/are input devices?
(a) Track ball
(b) Scanner
(c) Touch screen
(d) All of the above
Ans - D
21. Which of the following is not an output device?
(a) Monitor
(b) Printer
(c) Headphone
(d) Scanner
Ans - D
22. A projector is an _ _ _ _ _ _ device that can take images generated by a computer and reproduce
them on a large, flat surface.
(a) input
(b) output
(c) input and output
(d) monitor input
Ans - B
23. The OCR stands for
(a) Outsized Character Reader
(b) Optical Character Reader
(c) Operational Character Reader
(d) Only Character Reader
Ans - B
24. The OMR stands for
(a) Optical Mark Recognition
(b) Optical Magnetic Reader
(c) Only Mark Recognition
(d) Optical Markup Recognition
Ans - A
25. The MICR stands for
(a) Magnetic Ink Card Reader
(b) Magnetic Ink Code Recognition
(c) Magnetic Ink Character Recognition
(d) None of these
Ans - C
26. Which kind of device is a digital camera?
(a) Output
(b) Input
(c) Input and Output
(d) Software
Ans - B
27. Which of the following groups consists of only output devices?
(a) Scanner, monitor, printer
(b) Mouse, monitor, printer
(c) Keyboard, monitor, printer
(d) Monitor, printer, plotter
Ans - D
28. Which of the following is not an output device?
(a) LCD
(b) Printer
(c) CRT
(d) Touch screen
Ans - D
29. The computer monitor is connected to CPU through
(a) Bus
(b) Cable
(c) Wire
(d) Line driver
Ans - B
30. The number of pixels displayed on the computer screen is called
(a) color depth
(b) resolution
(c) refresh rate
(d) viewing size
Ans - B
31. Which of the following is a combination of input-output devices?
(a) VDT
(b) Keyboard
(c) Printer
(d) Laser
Ans - A
32. Which of the following units are used to count the speed of the printer?
(a) CPM
(b) PPM
(c) LPM
(d) All of the above
Ans - D
33. The output quality of a printer is measured in
(a) dots per sq
(b) dot per inch
(c) dots printer per inch
(d) All of these
Ans - B
34. Which of the following is a kind of port?
(a) Serial
(b) Parallel
(c) AGP
(d) All of these
Ans - D
35. How many bits of data can be transferred by parallel port?
(a) 2
(b) 4
(c) 8
(d) 16
Ans - C
36. The full form of USB port is
(a) United Serial Bus
(b) Universal Serial By-pass
(c) Universal System Bus
(d) Universal Serial Bus
Ans - D
37. Which of the following is the fastest port data transfer?
(a) USB
(b) Serial
(c) Parallel
(d) Firewire
Ans - D
38. USB port is a
(a) Serial port
(b) Parallel port
(c) infrared port
(d) AGP port
Ans - A
39. Which post is widely used on wireless devices to connect with network devices for easy communication?
(a) Serial port
(b) Parallel port
(c) Infrared port
(d) AGP port
Ans - C
40. Standard keyboard contains how many keys?
(a) 106
(b) 101
(c) 104
(d) 100
Ans - C
41. What are the most common input devices?
A) Microphone, printer
B) Scanner, monitor
C) Digital camera, speaker
D) Keyboard, mouse
Ans - D
42. Which of the following is not an input device?
A) Keyboard
B) Monitor
C) Joystick
D) Microphone
Ans - B
43. What is a function of a keyboard in computer?
A) Print
B) Input
C) Type
D) In between input and output
Ans - B
44. The general method for to input the text and numerical data in computer is by ____?
A) Keyboard
B) Scanner
C) Printer
D) Platter
Ans - A
45. Any data and instruction entered in the memory of a computer is
A) Storage
B) Output
C) Input
D) Information
Ans - C
46. What type of device is a computer printer?
A) Input
B) Output
C) Software
D) Storage
Ans - B
47. Information that comes from an external source and is fed into computer software is called _?
A) Input
B) Output
C) Throughput
D) Reports
Ans - A
48. Which keys enable the input of numbers quickly?
A) Function keys
B) The numeric keypad
C) hift and alt
D) Arrow keys
Ans - B
49. Which of the following could be digital input devices for computers?
A) Digital camcorder
B) Microphone
C) Scanner
D) All of the above
Ans - D
50. Which of these is a point and draw device?
A) Mouse
B) Scanner
C) Printer
D) CD-ROM
Ans - A
51. An optical mouse used
A) Infrared light
B) Light emitting diode (LED)
C) Sensor
D) Microwave
Ans - B
52. Mouse technique is used to access the properties of any object, is ___?
A) Dragging
B) Dropping
C) Right clicking
D) Shift clicking
Ans - C
53. The mouse _ usually appears in the shape of an arrow?
A) Indicator
B) Marker
C) Meter
D) Pointer
Ans - D
54. Mouse is known as ___?
A) Pointing device
B) Control device
C) Monitoring device
D) Gaming device
Ans - A
55. The first computer mouse is built by _?
A) Douglas engelbar
B) William English
C) Daniel cougher
D) Robertzawaski
Ans - A
56.The mouse generally has _?
A) Two buttons
B) Three buttons
C) Several buttons
D) Either (a) or (b)
Ans - B
57. Which among the following are the kinds of mouse?
A) Mechanical, general
B) Optical, mechanical
C) Optical, general
D) Optical, light
Ans - B
58. A device that is moved by hand to indicate a precise position on a digital data tablet is
A) Light pen
B) Mouse
C) Joystick
D) None of these
Ans - D
59. AUS standard keyboard follows
A) QWERTY model
B) 104-model
C) 108-model
D) All of these
Ans - A
60. What is a QWERTY keyboard?
A) is the most popular keyboard
B) is the fastest keyboard
C) Is a keyboard that is rarely used
D) All of the above
Ans - A
61. What do we call the keys that change the meaning of what you type?
A) Keyboard
B) Modifier keys
C) Disk space
D) Change keys
Ans - B
62. When a key is pressed on the keyboard, which standard is used for converting the keystroke into the corresponding bits?
A) ANSI
B) ASCII
C) EBCDIC
D) ISO
Ans - B
63.To select text by shading as you drag the mouse arrow over the text is referred to as ____?
A) Clip art
B) Highlight
C) Fetch
D) Decode
Ans - B
64. Letters, numbers, and symbols found on a keyboard are
A) Icon
B) Screen
C) Keys
D) Menu
Ans - C
65. Capital letters on a keyboard are referred to as?
A) Caps lock key
B) Grownups
C) Big guys
D) Upper case letters
Ans - A
66. Any letter, number, or symbol found on the keyboard that you can type into the computer is
A) Output
B) Character
C) Type
D) Print
Ans - B
67. Which of following groups have only input devices?
A) Mouse, Keyboard, Monitor
B) Mouse, Keyboard, Printer
C) Mouse, Keyboard, Plotter
D) Mouse, Keyboard, Scanner
Ans - D
68. Which of the following groups have only output devices?
A) Scanner, Printer, Monitor
B) Keyboard, Printer, Monitor
C) Mouse, Printer, Monitor
D) Platter, Printer, Monitor
Ans - D
69. Soft copy refers to.
A) Printed output
B) Music sounds
C) Screen output
D) Digitizing
Ans - C
70. The computer monitor is which type of device?
A) scanning
B) input
C) processor
D) output
Ans - D
71.A key that will erase information from the computer’s memory and characters on the screen
A) edit
B) delete key
C) dummy out
D) trust key
Ans - B
72. ___ is often used to select or highlight?
A) icon
B) keyboard
C) hard disk
D) mouse
Ans - D
73. The __ may also be called the screen or monitor?
A) printer
B) scanner
C) hard disk
D) display
Ans - D
74. The mouse ____ usually appears in the shape of an arrow?
A) indicator
B) marker
C) meter
D) pointer
Ans - D
75. You can use the tab key to _?
A) move a cursor across the screen
B) indent a paragraph
C) move the cursor down the screen
D) only (a) and (b)
Ans - D
76. What term is used to describe using the mouse to move an item on the screen to a new location?
A) Click
B) Double-click
C) Drag and drop
D) Point
Ans - C
77. what is the Powerful key that lets you exit a program when pushed?
A) Arrow key
B) Space bar
C) Escape key
D) Return key
Ans - C
78. ___ camera is a peripheral device used to capture still images in a digital format that can be easily transferred into a computer and manipulated using graphics software?
A) digital
B) analog
C) classic
D) film
Ans - A
79. Pick the odd one-
A) Mouse
B) Scanner
C) Printer
D) Keyboard
Ans - C
80. The device which helps you to communicate with computer is called
a) Input device
b) Output device
c) Software device
d) Both a and b
Ans - D
81. The two types of output devices are
a) Monitor and printer
b) Floppy disc and CD
c) Keyboard and Mouse
d) Windows 2000 and windows NT
Ans - A
82. Which part of a computer displays the work. done ?
a) RAM
b) ROM
c) Printer
d) Monitor
Ans - D
83. The mouse …….. usually appears in the shape of an arrow.
a) Indicator
b) Marker
c) Meter
d) Pointer
Ans - D
84. A US standard keyboard follows
a) QWERTY model
b) 104-model
c) 108-model
d) All of these
Ans - A
85. A device that is moved by hand to indicate a precise position on a
digital data tablet is
a) Light pen
b) Mouse
c) Joystick
d) Plotter
Ans - A
86. Any data and instruction entered in the memory of a computer is
a) Storage
b) Output
c) Input
d) Information
Ans - C
87. A button that makes characters either upper or lower case and
numbers to symbols
a) Monitor
b) Shift key
c) Icon
d) Mouse
Ans - B
88. Which is widely used in academic testing ?
a) MICR
b) POS
c) OCR
d) OMR
Ans - D
89. The OMR is able to evaluate only those documents which are
printed within …… position.
a) Marked
b) Magnetic
c) Special
d) Specific
Ans - A
90. Which is considered a direct entry input device ?
a) Optical scanner
b) Mouse
c) Light pen
d) Digitizer
Ans - C
91. For sound recording , what is necessary?
a) Speaker
b) Microphone
c) Talker
d) Mouse
Ans - B
92. The monitor of a computer is connected to it by a
a) Wire
b) Cable
c) Bus
d) Line driver
Ans - B
93. Which of the following is not an output device?
a) LCD
b) Printer
c) CRT
d) Touch screen
Ans - D
94. The first computer mouse is built by
a) Douglas Engel Bart
b) William English
c) Daniel Cougher
d) Revert Zawaski
Ans - A
95. A pixel is
a) A computer program that draws picture
b) A picture stored in secondary memory
c) The smallest resolvable part of a picture
d) The largest part of a picture
Ans - C
96. Daisy wheel printer is a type of
a) Matrix printer
b) Impact printer
c) Laser printer
d) Manual printer
Ans - B
97. Wireless mouse communicate through
a) Radio waves
b) Satellite
c) Microwaves
d) Infrared wave
Ans - A
98. The ….. Key and the ….. Key can be used in combination with
other keys to perform shortcuts and special tasks.
a) Ctrl, Alt
b) Function, Toggle
c) Delete, Insert
d) Caps lock, Num lock
Ans - A
99. An input device that reads printed text employing optical character
pattern matching, is known as
a) Scanner
b) Magnetic disk
c) Mouse
d) Magnetic tape
Ans - A
100. Which of the following could be digital input devices for computers
?
a) Digital camera
b) Microphone
c) Scanner
d) All of the above
Ans - D
101. The number of pixels displayed on a screen is known as
a) Resolution
b) Color depth
c) Refresh rate
d) Viewing size
Ans - A
102. The terminal device often used in checking charge cards that offers
both a limited keyboard input and visual output is the
a) Intelligent terminal
b) POS terminal
c) Video display terminal
d) Audio response unit
Ans - C
103. Which of the following printers cannot print graphics ?
a) Inkjet
b) Daisy wheel
c) Laser
d) Dot matrix
Ans - B
104. ……. Printers have tiny hammer-like keys that strike the paper
through an inked ribbon.
a) Inkjet
b) Impact
c) Non-impact
d) Laser moderate
Ans - B
105. A plotter is
a) Input device
b) Output device
c) Both a and b
d) Storage device
Ans - B
106. Wireless speakers are also known as
a) Compatible speakers
b) Reliable speaker
c) Non-wire speakers
d) Portable speakers
Ans - D
107. Which of the following device produce the best quality graphics
reproduction ?
a) Laser printer
b) Inkjet printer
c) Plotter
d) Dot matrix printer
Ans - C
108. Plotter print
a) With ball point pens
b) With ink pens
c) Electrostatically
d) All of these
Ans - D
109. Which of the following terminal output most closely resemble the
output produced by a plotter ?
a) Graphics terminal
b) POS terminal
c) Hardcopy terminal
d) All of the above
Ans - A
110. What is a keyboard used for?
a) Input text and numbers and send commands to the computer
b) To create new keys to use with your computer
c) To open the computer up
d) To create pictures and images and send them to your computer
Ans - A
111. Which of the following software could assist someone who cannot
use their hands for computer input?
a) Video conferencing
b) Speech recognition
c) Audio digitizer
d) Synthesizer
Ans - B
112. .…… devices convert human understandable data and programs
into a form that the computer can process.
a) Printing
b) Output
c) Solid state
d) Input
Ans - D
113. The CRT is ….. in shape.
a) Circular
b) Rectangular
c) Eclipse
d) Conical
Ans - D
114. What is the name of the computer terminal which gives paper
printout?
a) Display screen
b) Soft copy terminal
c) Hard copy terminal
d) Plotter
Ans - C
115. Which of the following units are used to count the speed of the
printer?
a) CPM
b) LPM
c) PPM
d) All of these
Ans - D
116. Which of the following printer uses light beam and electrostatically
sensitive black powder?
a) Dot matrix printer
b) Daisy wheel printer
c) Chain printer
d) Laser printer
Ans - D
117. Which among the following are the kinds of mouse?
a) Mechanical, general
b) Optical, mechanical
c) Optical, general
d) Optical, light
Ans - B
118.The arrow keys can be used to …….
a) Delete text
b) move the cursor in the text that has already been entered
c) save the document
d) move the cursor while deleting text
Ans - B
119. Which of the following devices can be used to control the movement
of a cursor on a video game screen?
a) Mouse
b) OCR
c) Card punch
d) Joystick
Ans - D
120. The primary output device of computers is a
a) Video monitor
b) Printer
c) Keyboard
d) Mouse
Ans - A
121. Output devices make it possible to
a) View and print a data
b) Scan a data
c) Input a data
d) Sending a data
Ans - A
122. A scanner scans ……….
a) Pictures
b) Text
c) Both picture and text
d) Neither picture nor text
Ans - C
123. What term is used to describe using the mouse to move an item on
the screen to a new location?
a) Click
b) Double-click
c) Drag and drop
d) Point
Ans - C
125. The key that must be pressed each time a new command or
information is entered
a) Esc
b) Return/Enter
c) Delete
d) Home
Ans - B
126. Which of the following is a device that provides electrical signals
from text or graphics character?
a) Light pen
b) Touch panel
c) Scanner
d) Mouse
Ans - C
127. A hard copy would be prepared on a
a) Line printer
b) Dot matrix printer
c) Typewriter
d) All of these
Ans - D
128. Inkjet printers and laser printer are examples of …….
a) Non-impact
b) Impact
c) Dot matrix
d) Thermal
Ans - A
129. Impact printer
a) Strike a ribbon against the paper to produce character images
b) Include inkjet and thermal devices
c) Are more expensive than laser printers
d) Use optical technology
Ans - A
130. Which of the following is not a Hardware?
a) Processor chip
b) Printer
c) Mouse
d) Java
Ans - D
131. Which of the following is a term related with scanner?
a) Laser
b) TWAIN
c) Cartridge
d) Medi
Ans - A
132. Which of the following groups consist of only input devices.
a) Mouse, keyboard, monitor
b) Mouse, keyboard, printer
c) Mouse, keyboard, plotter
d) Mouse, keyboard, scanner
Ans - D
133. Use this when you want to make all letters capital without having
to use the shift key for each character ………
a) Shifter
b) Upper case
c) Caps lock key
d) Icon
Ans - C
134. A ……. Is often used to select or highlight.
a) Icon
b) Keyboard
c) Hard disk
d) Mouse
Ans - D
135. A ….. can make it easier to play games.
a) Mouse
b) Joystick
c) Keyboard
d) Pen
Ans - B
136. Joystick allow the movements with
a) 90° angle
b) 180° angle
c) 360° angle
d) 45° angle
Ans - C
137. Which of the following is a CRO ( cathode ray oscilloscope) ?
a) Monitor
b) Printer
c) Scanner
d) Digital camera
Ans - A
138. A disadvantage of the laser printer is
a) It is quieter than an impact printer
b) It is very slow
c) The output is of a lower quality
d) It have a high cost
Ans - D
139. Which of the following is a type of port?
a) Serial
b) Parallel
c) AGP
d) All of these
Ans - D
140. Trackball is an example of a/an
a) Programming device
b) Pointing device
c) Output device
d) Software device
Ans - B
141. Which option is used for increasing and decreasing the speed of
the cursor of mouse?
a) Setting
b) Control
c) Control panel
d) C Drive
Ans - C
142. What type of device is digital camera?
a) Input
b) Output
c) Software
d) Storage
Ans - A
143. The barcode which is used on all types of items, is read by a
scanning device directly into the computer. What is the name of this
scanning device
a) Laser scanner
b) Wand
c) OCR
d) MICR
Ans - A
144. A ….. allows you to capture sound waves and transfer them to
digital format on your computer.
a) Speaker
b) Microphone
c) Keyboard
d) CPU
Ans - B
145. If you open a menu and then decide you don’t want to select an
option after all, click the menu title again or press the ……. key to close
the menu.
a) Shift
b) Tab
c) F1
d) Esc
Ans - D
146. Any letter, number, or symbol found on the keyboard that you can
type into the computer ……
a) Output
b) Character
c) Type
d) Print
Ans - B
147. Soft copy refers to ………
a) Printed output
b) Music sounds
c) Screen output
d) Digitizing
Ans - C
148. Which of the printers used in conjunction with computers uses
dry ink powder?
a) Daisy wheel printer
b) Line printer
c) Laser printer
d) Thermal printer
Ans - C
149. Which of the following high speed non-impact printers are fast
enough to print the entire book in about one minute?
a) Laser
b) Dot-matrix
c) Drum
d) Line
Ans - A
150. By which printer, a stroke print one character at a time?
a) Laser printer
b) Dot matrix printer
c) Line printer
d) Plotter
Ans - B
151. Small and cheap computers built into several home appliances are
of which type ?
a) Mainframes
b) Mini computers
c) Micro computers
d) None of the above
Ans - C
152. Which of the following groups consist of only output devices ?
a) Scanner, printer , monitor
b) Mouse, printer, monitor
c) Keyboard , printer , monitor
d) Plotter, printer, monitor
Ans - D
153. What is the name of the screen pointing device that rolls on
bearings and has one or more buttons on its top?
a) Trackball
b) Mouse
c) Light pen
d) Joystick
Ans - B
154. Mouse technique is used to access the properties of any object, is
a) Dragging
b) Dropping
c) Right clicking
d) Shift clicking
Ans - C
155. Have the cursor one spaces to the right or put spaces in between
words…….
a) Control key
b) Space bar
c) Printer
d) Mouse
Ans - B
156. Which of the following is inkless printer?
a) Inkjet printer
b) Laser printer
c) Thermal printer
d) Plotter printer
Ans - C
157. USB port comes under ………
a) Serial port
b) Parallel port
c) Infrared port
d) Fire wire port
Ans - A
158. In laser printer, printing is achieved by deflecting laser beam onto
…… surface of a drum.
a) Magnetized
b) Photosensitive
c) Magnetic
d) Either a or b
Ans - B
159. To select text by shading as you drag the mouse arrow over the
text is referred to as …..
a) Clip art
b) Highlight
c) Fetch
d) Decode
Ans - B
160. Input can be enter
a) Human data entry (keyboard, mouse, joystick)
b) By using pen drive.
c) Source data entry (speech recognition , digital camera, etc.)
d) Both a and c
Ans - D
Mai is website par , Blogging Tips, Website Kaise Banaye , SEO, Google Webmaster tool, Photoshop, Designing, Online Internet Se Paise Kaise Kamaye Uski Tips, Create New Account,Make Money Youtube, Kya Kiase, Paise Kamate Hain Affiliate Marketing se in Sab Ki Jankari Hindi Me Share Karta Hu.
Related Post
Fundamental of Computer Part-1 55 MCQ'S FOR ALL COMPETITIVE EXAM1. The word “Computer” comes from the word “compute”, which means __.(a) to assume(b) to input(c) t
Computer Memory Top 150+ MCQ For All Competitive ExamComputer Memory Top 150+ MCQ For All Competitive ExamComputer Memory1. Which of the following is th
ConversionConversion EmoticonEmoticon