Q51. Optical Character Reader (OCR) is an example of ___
- AOutput Device
- BInput Devide
- CInterface Device
- DStorage Device
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Answer: B) Input Devide
Input and Output Device MCQ
69 MCQ questions with answers and explanations · page 3 of 3
Q52. A ……….. Is often used to select or highlight.
- Aicon
- Bkeyboard
- CHard disk
- Dmouse
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Answer: D) mouse
Q53. Mr. X has no printer to print his report. He wants to take it to Mr. Y's computer because Mr. Y has a printer. Mr. X could save his report on a …………..
- AHard drive
- Bpiece of paper
- Cscanner
- Dfloppy disk
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Answer: D) floppy disk
Q54. The most frequently used piece of hardware for inputting data is the …….
- AKeyboard
- Bfloppy disk
- Ccursor
- DSoftware
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Answer: A) Keyboard
Q55. The …….. May also be called the screen or monitor.
- APrinter
- BScanner
- CHard disk
- DDisplay
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Answer: D) Display
Q56. In a computer, which device is functionally opposite to a keyboard?
- AJoystick
- BTrackball
- CMouse
- DPrinter
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Answer: D) Printer
Q57. Devices that enter information and let you communicate with the computer are called ……….
- ASoftware
- BOutput devices
- CHardware
- DInput devices
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Answer: D) Input devices
Q58. Which of the following does not relate to input unit?
- AIt accepts data from the outside world
- BIt converts data into binary code that is understandable by the computer
- CIt converts binary data into the human readable form that is understandable to the users
- DIt sends data in binary form to the computer for further processing
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Answer: C) It converts binary data into the human readable form that is understandable to the users
Q59. Which of these is a point-and-draw device?
- AMouse
- BScanner
- CPrinter
- DCD-ROM
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Answer: A) Mouse
Q60. Which of the following software could assist someone who cannot use their hands for computer input?
- AVideo conferencing
- BSpeech recognition
- CAudio digitizer
- DSynthesizer
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Answer: B) Speech recognition
Q61. A ……….. Is used to read handwritten or printed text to make a digital image that is stored in memory.
- APrinter
- BLaser beam
- CScanner
- DTouch pad
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Answer: C) Scanner
Q62. A joystick is primarliy used to/for ……..
- APrint text
- BComputer gaming
- CEnter text
- DDraw pictures
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Answer: B) Computer gaming
Q63. The first computer mouse was built by ____
- ADouglas Engelbart
- BWilliam English
- COaniel Coogher
- DRobert Zawacki
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Answer: A) Douglas Engelbart
Q64. A standard alphanumeric keyboard of a laptop usually consists of how many keys?
- A70-80 key
- B81-84 key
- C100-104 key
- D108-112 keys
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Answer: C) 100-104 key
Q65. The smallest unit of a digital image is a ……..
- APixel
- BPallette
- CArray
- DLoop
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Answer: A) Pixel
Q66. In which graphics, digital photos and scanned images are typically stored with extensions such as bmp, png, jpg, tif or gif?
- ABitmap
- BPixels
- CPlane
- DBoth Bitmap and pixels
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Answer: A) Bitmap
Q67. What is the full form of JPEG?
- AJoint Photographic Experts Group
- BJoint Protocol Experts Graphics
- CJoint Programming Experts Graphics
- DJoint Project Experts Group
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Answer: A) Joint Photographic Experts Group
Q68. Which key is used to move to next line in a Ms-Word document?
- AEnter Key
- BEscape Key
- CShift Key
- DReturn key
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Answer: A) Enter Key
Q69. An example of an input device is ……….
- AProjector
- BHeadphones
- CSoundcard
- DWebcam
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Answer: D) Webcam