Topic

Input Devices - Part 2 - Topic Guide and MCQs

Part of Computer > 04 Input Devices - 25 questions, about 12.5 min, with an explanation after every answer.

25
Question count
about 12.5 min
Estimated time
Mixed
Difficulty
02 Nov 2026
Last updated
Quick answer

Input Devices - Part 2 is a topic inside Computer (04 Input Devices). It runs 25 untimed MCQs - roughly 12.5 min - and the review explains every answer once you submit.

Topic introduction

What Input Devices - Part 2 covers

The shape of the set before you start it.

Input Devices - Part 2 sits inside Computer, under the 04 Input Devices lane, and the portal keeps it as one self-contained set: 25 questions, four options each, no clock and a written explanation behind every answer.

Attempt it once to find the gaps, read why each distractor is wrong, then retake the same set a few days later. The questions you miss twice are the ones worth writing down.

Curated by Gurpreet Singh · Punjab Police SI, Rank 2 (713/800) · Founder, House of Aspirants · Read his story →

Question bank

Input Devices - Part 2: all 25 questions

Read the question, pick an option, then open the answer.

  1. A pen-shaped pointing device containing a light-sensitive sensor that detects objects on the screen is:

    1. Light Pen
    2. Stylus
    3. Joystick
    4. Digitizer
    Show answer

    Answer: (A) Light Pen

    Explanation: A Light Pen is a pen-shaped pointing device with a light-sensitive sensor.

  2. The Light Pen was developed around 1955 under which project?

    1. ENIAC Project
    2. PARAM Project (C-DAC)
    3. EDSAC Project (Cambridge)
    4. Whirlwind Project (MIT)
    Show answer

    Answer: (D) Whirlwind Project (MIT)

    Explanation: The Light Pen was invented around 1955 under the Whirlwind Project at MIT.

  3. According to the exam facts in the chapter, a Light Pen is NOT used with:

    1. Drawing applications
    2. Selecting objects
    3. LCD screens
    4. Pointing on the screen
    Show answer

    Answer: (C) LCD screens

    Explanation: Exam fact: Light Pen is not used with LCD screens.

  4. A Digitizer is also known as:

    1. Touchpad
    2. Graphics Tablet
    3. Light Pen
    4. Trackball
    Show answer

    Answer: (B) Graphics Tablet

    Explanation: Digitizer (Graphics Tablet) is a flat input device used with a stylus.

  5. A Digitizer is a flat input device that is used with a:

    1. Stylus
    2. Joystick
    3. Trackball
    4. Barcode reader
    Show answer

    Answer: (A) Stylus

    Explanation: A Digitizer is used with a stylus to convert hand-drawn images into digital form.

  6. Which input device is especially used in CAD and AutoCAD?

    1. Microphone
    2. Digitizer
    3. MICR
    4. Webcam
    Show answer

    Answer: (B) Digitizer

    Explanation: Exam fact: Digitizer is used in CAD and AutoCAD.

  7. Which input device is used to record voice for video conferencing and online meetings?

    1. Scanner
    2. Light Pen
    3. Joystick
    4. Microphone
    Show answer

    Answer: (D) Microphone

    Explanation: A Microphone enters sound; used for voice recording, voice calls and video conferencing.

  8. What is the full form of MICR?

    1. Magnetic Ink Code Reader
    2. Magnetic Ink Character Recognition
    3. Micro Ink Character Recognition
    4. Magnetic Image Character Reader
    Show answer

    Answer: (B) Magnetic Ink Character Recognition

    Explanation: MICR stands for Magnetic Ink Character Recognition.

  9. MICR is mainly used for:

    1. Bank cheque processing
    2. Video games
    3. Digital drawing
    4. Face unlock
    Show answer

    Answer: (A) Bank cheque processing

    Explanation: Exam Point: MICR is used on bank cheques.

  10. What is the full form of OCR?

    1. Optical Code Reader
    2. Online Character Recognition
    3. Optical Character Recognition
    4. Optical Character Reader
    Show answer

    Answer: (C) Optical Character Recognition

    Explanation: OCR stands for Optical Character Recognition.

  11. OCR converts printed or handwritten text into:

    1. Magnetic ink characters
    2. Audio signals
    3. Barcodes
    4. Editable digital text
    Show answer

    Answer: (D) Editable digital text

    Explanation: OCR converts printed or handwritten text into editable digital text.

  12. According to the OCR vs MICR comparison in the chapter, which statement is correct?

    1. MICR has very high accuracy, OCR has high accuracy
    2. OCR has very high accuracy, MICR has high accuracy
    3. OCR uses magnetic technology
    4. MICR is mainly used for documents
    Show answer

    Answer: (A) MICR has very high accuracy, OCR has high accuracy

    Explanation: OCR: optical, used for documents, high accuracy; MICR: magnetic, used for cheques, very high accuracy.

  13. Which device acts as both an input device and an output device?

    1. Keyboard
    2. Scanner
    3. Microphone
    4. Touch Screen
    Show answer

    Answer: (D) Touch Screen

    Explanation: A Touch Screen is both an input and an output device.

  14. The Touch Screen was developed in the early 1970s by:

    1. Mauchly and Eckert
    2. Douglas Engelbart and C. B. Mirick
    3. Jack Kilby and Bell Laboratories
    4. Frank Beck and Bent Stumpe
    Show answer

    Answer: (D) Frank Beck and Bent Stumpe

    Explanation: Touch Screen inventors: Frank Beck and Bent Stumpe, developed in the early 1970s.

  15. Which of the following is a use of Touch Screens mentioned in the chapter?

    1. Bank cheque reading
    2. Flight simulators
    3. ATM machines and kiosks
    4. Drum scanning
    Show answer

    Answer: (C) ATM machines and kiosks

    Explanation: Touch Screens are used in smartphones, tablets, ATM machines and kiosks.

  16. Which technology creates a computer-generated environment that appears real to the user?

    1. Virtual Reality (VR)
    2. OCR
    3. MICR
    4. Digitizer
    Show answer

    Answer: (A) Virtual Reality (VR)

    Explanation: Virtual Reality (VR) creates a computer-generated environment that appears real to the user.

  17. Which of the following devices is used in Virtual Reality?

    1. MICR reader
    2. Drum Scanner
    3. VR Headset
    4. Barcode Scanner
    Show answer

    Answer: (C) VR Headset

    Explanation: Devices used in VR: VR Headset, Gloves and Headphones.

  18. A camera connected to a computer, used for video calls and online classes, is called:

    1. Webcam
    2. Scanner
    3. Digitizer
    4. Light Pen
    Show answer

    Answer: (A) Webcam

    Explanation: A Webcam is a camera connected to a computer, used for video calls, online classes and recording videos.

  19. Biometric devices identify a person using:

    1. Magnetic ink characters
    2. Printed barcodes
    3. Unique biological characteristics
    4. Typed passwords
    Show answer

    Answer: (C) Unique biological characteristics

    Explanation: Biometric Devices identify a person using unique biological characteristics.

  20. Which is the most commonly used biometric device?

    1. Retina Scanner
    2. Fingerprint Scanner
    3. Voice Scanner
    4. Hand Scanner
    Show answer

    Answer: (B) Fingerprint Scanner

    Explanation: The Fingerprint Scanner is the most common biometric device.

  21. A Hand Scanner identifies a person using:

    1. Palm vein patterns
    2. Facial measurements
    3. Voice characteristics
    4. The retina
    Show answer

    Answer: (A) Palm vein patterns

    Explanation: A Hand Scanner uses palm vein patterns.

  22. According to the chapter, which biological feature is even more unique than fingerprints?

    1. Voice
    2. Palm veins
    3. Face
    4. Handwriting
    Show answer

    Answer: (B) Palm veins

    Explanation: Palm veins are even more unique than fingerprints.

  23. Which biometric device uses the eye for identification and provides high security?

    1. Face Scanner
    2. Voice Scanner
    3. Retina/Iris Scanner
    4. Hand Scanner
    Show answer

    Answer: (C) Retina/Iris Scanner

    Explanation: Retina/Iris Scanner uses the eye for identification; Retina Scanner provides high security.

  24. "Face Unlock" in smartphones is an example of which biometric device?

    1. Hand Scanner
    2. Face Scanner
    3. Voice Scanner
    4. Retina Scanner
    Show answer

    Answer: (B) Face Scanner

    Explanation: A Face Scanner identifies a person using facial measurements, e.g. Face Unlock in smartphones.

  25. Which biometric device uses voice characteristics for identification?

    1. Face Scanner
    2. Fingerprint Scanner
    3. Hand Scanner
    4. Voice Scanner
    Show answer

    Answer: (D) Voice Scanner

    Explanation: A Voice Scanner uses voice characteristics for identification.

Why it matters

Why Input Devices - Part 2 is worth the hours

Where the marks actually come from.

Input Devices - Part 2 is factual rather than analytical: you either recall it in seconds or you lose the mark to somebody who did. That makes it one of the cheapest sections to convert - a handful of short sittings usually settles the whole cluster.

Exam relevance

Exams where Input Devices - Part 2 matters

Derived from the subject and lane this topic belongs to.

Punjab Police Constable

The highest-volume recruitment on this list. Build your base with Punjab GK and current affairs, then drill reasoning until speed is automatic.

Punjab Police ASI

Assistant Sub-Inspector papers separate candidates on English and Punjabi accuracy as much as on general awareness. Practise language daily.

Punjab Police Sub-Inspector (SI)

The most competitive paper here. Polity, history and quant reasoning decide the rank - so take full timed mocks before the exam.

Punjab Police Wireless Operator

A technical post inside Punjab Police. Alongside your wireless study, general awareness and reasoning are the parts you can drill here every day as MCQs.

Punjab Police IT Cadre

A technology-focused cadre inside Punjab Police. Computer awareness and reasoning are the highest-yield blocks to practise here as short daily MCQ sets.

Patwari

Revenue work starts with Punjab geography, history and current affairs. Add quant for the sections that reward calculation speed.

Excise Inspector

General awareness and English carry this paper. Track Punjab policy news daily and revise it as MCQs, not as notes.

Senior Assistant

Office procedure, computer applications and both languages. Computer MCQs are the highest-yield block - practise them until they are free marks.

Clerk

Grammar, comprehension, typing and basic computer knowledge. Accuracy beats speed here - review every wrong answer.

Punjab Police Head Constable

The communication and clerical tier of Punjab Police. Punjabi, English and general knowledge carry the paper, and computer awareness is worth real marks.

Expected questions

Expected questions from Input Devices - Part 2

What an examiner usually reaches for in this cluster.

Expect one-line recall questions - definitions, stand-for expansions, identifiers and the ordering of things. Practise the wording as well as the concept: these papers test terminology, and the set above uses the same four-option shape they do.

Daily habit

Keep the Expected MCQs habit running

20 fresh mixed questions a day, plus the current-affairs sets examiners keep reusing.

Daily Quiz Expected MCQs
Previous year questions

Previous Year Questions

How this topic behaves in real papers.

Past papers reuse clusters like this almost verbatim across years and posts. Run the same set until every distractor is familiar - previous-year style questions stop being recall and start being free marks.

Where the previous-year sets live

The portal's previous-year practice runs through the General Knowledge lane and the daily mixed quiz.

Previous Year Questions Daily Quiz
Keep going

Related topics

Neighbouring sets in this subject, then the rest of the portal.

Start practising

Take the Input Devices - Part 2 quiz

25 questions, about 12.5 min, instant scoring and a full review at the end.

Start Input Devices - Part 2 quiz Computer page Daily Quiz Mock Tests
Questions

Input Devices - Part 2 - common questions

Answered against the set as it is published today.

All questions →

How long is the Input Devices - Part 2 quiz?

Input Devices - Part 2 runs 25 untimed questions - about 12.5 min at a steady pace. The set clears at 40% and you can retake it as often as you like.

What kind of questions does Input Devices - Part 2 ask?

The set answers that: each question carries four options and a full explanation, so you learn the wording an examiner uses, not just the fact behind it.

Where else can I practise Computer?

Open the quiz page above, or start from the Computer subject page if you want to drill neighbouring lanes in the same sitting.

Do my scores save?

Scores, bookmarks and streaks need the optional Google sign-in. Opening the set and answering questions does not.