Input & Output Devices MCQs 2026

45 questions with detailed answers · 19 from past papers · 5 quiz batches available

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Read each question, think about the answer, then click Show Answer to reveal the correct option and explanation. Load 10 at a time so it stays manageable — perfect for one-topic study sessions on the bus or during a break.

Page 1 of 1 Questions 1–10 of 45

Q1 easy

The output displayed on a monitor is called
1. A Soft copy
2. B Hard copy
3. C Printout
4. D Backup
💡 Explanation:
On-screen output is called a soft copy.
Q2 easy

Which of the following is used to take pictures as input
1. A Light pen
2. B Joystick
3. C Trackball
4. D Digital camera
💡 Explanation:
A digital camera captures images and inputs them into the computer.
Q3 medium

A light pen is an example of a/an
1. A Output device
2. B Input device
3. C Storage device
4. D Processing device
💡 Explanation:
A light pen is an input device used to point directly on a screen.
Q4 easy

Which device converts hard copy documents into digital format
1. A Printer
2. B Plotter
3. C Scanner
4. D Speaker
💡 Explanation:
A scanner digitizes hard-copy documents into image files.
Q5 medium

A trackball is best described as
1. A An upside-down mouse
2. B A type of printer
3. C A scanner
4. D A monitor
💡 Explanation:
A trackball works like an upside-down mouse, with a rolling ball on top.
Q6 easy

A joystick is mainly used for
1. A Typing
2. B Printing
3. C Scanning
4. D Playing games
💡 Explanation:
A joystick is an input device chiefly used for playing video games.
Q7 easy

Which of the following is an output device
1. A Mouse
2. B Monitor
3. C Scanner
4. D Keyboard
💡 Explanation:
A monitor displays output; the others are input devices.
Q8 easy

Which of the following is an input device
1. A Monitor
2. B Printer
3. C Speaker
4. D Keyboard
💡 Explanation:
A keyboard is an input device; monitor, printer and speaker are output devices.
Q9 Past Paper · PPSC/FPSC/NTS medium

OMR stands for
1. A Optical Machine Reader
2. B Optical Memory Reader
3. C Optical Mark Reader
4. D Output Mark Reader
💡 Explanation:
OMR stands for Optical Mark Reader, used to detect marks on paper.
Q10 Past Paper · PPSC/FPSC/NTS medium

MICR technology is mainly used in
1. A Banks
2. B Schools
3. C Hospitals
4. D Airports
💡 Explanation:
MICR (Magnetic Ink Character Recognition) is used by banks to process cheques.
Q11 Past Paper · PPSC/FPSC/NTS easy

Which device is used to read text and convert it into digital form
1. A MICR
2. B OMR
3. C Barcode reader
4. D Scanner
💡 Explanation:
A scanner reads printed documents and converts them into digital images.
Q12 Past Paper · PPSC/FPSC/NTS medium

The computer mouse was invented by
1. A Bill Gates
2. B Douglas Engelbart
3. C Alan Turing
4. D Steve Jobs
💡 Explanation:
Douglas Engelbart invented the computer mouse in the 1960s.
Q13 easy

The standard keyboard layout is called
1. A DVORAK
2. B AZERTY
3. C QWERTY
4. D QneedWERTY
💡 Explanation:
The standard keyboard layout is QWERTY, named after the first six letters.
Q14 Past Paper · PPSC/FPSC/NTS easy

The most commonly used input device is the
1. A Keyboard
2. B Mouse
3. C Scanner
4. D Joystick
💡 Explanation:
The keyboard is the most commonly used input device for entering text and commands.
Q15 easy

Which of the following is a pointing device
1. A Scanner
2. B Keyboard
3. C Mouse
4. D Microphone
💡 Explanation:
A mouse is a pointing device used to control the cursor on screen.
Q16 medium

A device that reads barcodes works using
1. A Laser light
2. B Sound waves
3. C Magnetic ink
4. D Radio waves
💡 Explanation:
A barcode reader uses laser light to scan and decode the bars.
Q17 Past Paper · PPSC/FPSC/NTS medium

OCR stands for
1. A Optical Character Register
2. B Optical Character Recognition
3. C Optical Code Reader
4. D Output Character Reader
💡 Explanation:
OCR stands for Optical Character Recognition, which converts images of text into editable text.
Q18 Past Paper · PPSC/FPSC/NTS medium

OMR is commonly used to check
1. A Bank cheques
2. B Handwriting
3. C Barcodes
4. D Multiple choice answer sheets
💡 Explanation:
OMR is used to read marked answer sheets such as MCQ exam forms.
Q19 Past Paper · PPSC/FPSC/NTS easy

A monitor is also known as
1. A CPU
2. B ALU
3. C VDU
4. D UPS
💡 Explanation:
A monitor is also called a VDU (Visual Display Unit).
Q20 Past Paper · PPSC/FPSC/NTS medium

A device used to produce large engineering drawings and maps is a
1. A Printer
2. B Scanner
3. C Plotter
4. D Monitor
💡 Explanation:
A plotter is an output device used to produce large, precise vector drawings.
Q21 easy

A stylus is typically used with a
1. A Desktop monitor only
2. B Dot matrix printer
3. C Laser printer
4. D Touch screen or tablet
💡 Explanation:
A stylus is a pen-like input tool used with touch screens and tablets.
Q22 easy

Monitor screen size is usually measured in
1. A Pixels
2. B Inches (diagonal)
3. C DPI
4. D Bytes
💡 Explanation:
Monitor size is measured as the diagonal length of the screen in inches.
Q23 easy

A touchpad is most commonly found on a
1. A Desktop PC
2. B Server
3. C Laptop
4. D Mainframe
💡 Explanation:
A touchpad is a pointing device typically built into laptops.
Q24 Past Paper · PPSC/FPSC/NTS medium

Which technology reads characters printed with magnetic ink
1. A OMR
2. B OCR
3. C Barcode
4. D MICR
💡 Explanation:
MICR reads characters printed in special magnetic ink, mainly on cheques.
Q25 easy

Speakers and headphones are examples of
1. A Output devices
2. B Input devices
3. C Storage devices
4. D Pointing devices
💡 Explanation:
Speakers and headphones output sound, so they are output devices.
Q26 medium

The arrangement of keys on a keyboard was inherited from the
1. A Calculator
2. B Computer
3. C Typewriter
4. D Printer
💡 Explanation:
The QWERTY key arrangement was inherited from the mechanical typewriter.
Q27 easy

A webcam is classified as a/an
1. A Output device
2. B Input device
3. C Storage device
4. D Memory device
💡 Explanation:
A webcam captures video and images, making it an input device.
Q28 easy

Which of the following is NOT an output device
1. A Barcode reader
2. B Monitor
3. C Printer
4. D Speaker
💡 Explanation:
A barcode reader is an input device; the rest are output devices.
Q29 Past Paper · PPSC/FPSC/NTS medium

Fingerprint readers are an example of
1. A Output devices
2. B Storage devices
3. C Processing devices
4. D Biometric input devices
💡 Explanation:
Fingerprint readers are biometric input devices that capture unique physical traits.
Q30 easy

Which device displays output on a large screen for an audience
1. A Plotter
2. B Multimedia projector
3. C Scanner
4. D Digitizer
💡 Explanation:
A multimedia projector projects the computer's output onto a large screen.
Q31 easy

A microphone is used to input
1. A Text
2. B Images
3. C Sound
4. D Video
💡 Explanation:
A microphone captures sound and inputs it into the computer.
Q32 medium

Which input device do graphic designers use to draw freehand
1. A Speaker
2. B Monitor
3. C Plotter
4. D Graphics tablet
💡 Explanation:
A graphics tablet (digitizer) lets designers draw directly into the computer.
Q33 Past Paper · PPSC/FPSC/NTS medium

A standard modern keyboard typically has how many keys
1. A 104
2. B 84
3. C 64
4. D 128
💡 Explanation:
The standard enhanced keyboard has 104 keys.
Q34 Past Paper · PPSC/FPSC/NTS easy

How many function keys are there on a standard keyboard
1. A 10
2. B 12
3. C 14
4. D 16
💡 Explanation:
A standard keyboard has 12 function keys, F1 through F12.
Q35 easy

Which key deletes the character to the left of the cursor
1. A Delete
2. B Enter
3. C Backspace
4. D Shift
💡 Explanation:
The Backspace key deletes the character immediately to the left of the cursor.
Q36 medium

The speed of a laser printer is measured in
1. A CPS
2. B LPM
3. C DPI
4. D Pages per minute (PPM)
💡 Explanation:
Laser printer speed is measured in pages per minute (PPM).
Q37 hard

The speed of a dot matrix printer is measured in
1. A Characters per second (CPS)
2. B Pages per minute
3. C Lines per minute
4. D Dots per inch
💡 Explanation:
Dot matrix printer speed is measured in characters per second (CPS).
Q38 Past Paper · PPSC/FPSC/NTS medium

Which of the following is both an input and output device
1. A Keyboard
2. B Touch screen
3. C Scanner
4. D Printer
💡 Explanation:
A touch screen both displays output and accepts touch input.
Q39 medium

Which printer is best suited for fast high-volume printing
1. A Dot matrix
2. B Daisy wheel
3. C Inkjet
4. D Laser
💡 Explanation:
Laser printers are fast page printers ideal for high-volume output.
Q40 Past Paper · PPSC/FPSC/NTS medium

A laser printer uses which material to print
1. A Toner
2. B Ribbon
3. C Ink cartridge
4. D Wax
💡 Explanation:
Laser printers use powdered toner fused onto the paper by heat.
Q41 Past Paper · PPSC/FPSC/NTS medium

Which of the following is a non-impact printer
1. A Dot matrix
2. B Laser printer
3. C Daisy wheel
4. D Line printer
💡 Explanation:
A laser printer is a non-impact printer that uses toner and light.
Q42 Past Paper · PPSC/FPSC/NTS medium

Which of the following is an impact printer
1. A Inkjet printer
2. B Laser printer
3. C Dot matrix printer
4. D Thermal printer
💡 Explanation:
A dot matrix printer is an impact printer that strikes pins against a ribbon.
Q43 Past Paper · PPSC/FPSC/NTS medium

Printer output quality is measured in
1. A DPI (Dots Per Inch)
2. B Hertz
3. C Bytes
4. D Pixels
💡 Explanation:
Print quality is measured in DPI, the number of dots per inch.
Q44 medium

The sharpness and clarity of an image on a monitor is called its
1. A Brightness
2. B Contrast
3. C Frequency
4. D Resolution
💡 Explanation:
Resolution, measured in pixels, determines the sharpness of the displayed image.
Q45 Past Paper · PPSC/FPSC/NTS easy

The smallest element or dot of a picture on a screen is called a
1. A Bit
2. B Pixel
3. C Byte
4. D Voxel
💡 Explanation:
A pixel (picture element) is the smallest addressable dot on a display.

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Input & Output Devices MCQs 2026

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