Topic

Input Devices - Part 1 - 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 1 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 1 covers

The shape of the set before you start it.

Input Devices - Part 1 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 1: all 25 questions

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

  1. A hardware device that allows a user to enter data, instructions or control signals into a computer is called:

    1. Output Device
    2. Storage Device
    3. Input Device
    4. Processor
    Show answer

    Answer: (C) Input Device

    Explanation: An Input Device allows a user to enter data, instructions or control signals into a computer.

  2. Which is the most commonly used input device to enter text, numbers, symbols and commands?

    1. Mouse
    2. Scanner
    3. Joystick
    4. Keyboard
    Show answer

    Answer: (D) Keyboard

    Explanation: A Keyboard is the most commonly used input device to enter text, numbers, symbols and commands.

  3. A wireless keyboard, as mentioned in the chapter, connects through:

    1. Bluetooth
    2. USB cable
    3. Magnetic ink
    4. Paper tape
    Show answer

    Answer: (A) Bluetooth

    Explanation: Keyboard connectivity: USB Keyboard (Wired) and Bluetooth Keyboard (Wireless).

  4. Which is the most commonly used keyboard layout in the world?

    1. AZERTY
    2. DVORAK
    3. QWERTY
    4. QWERTZ
    Show answer

    Answer: (C) QWERTY

    Explanation: Exam Point: Most commonly used keyboard = QWERTY.

  5. A standard QWERTY keyboard usually contains how many keys?

    1. 104
    2. 84
    3. 101
    4. 110
    Show answer

    Answer: (A) 104

    Explanation: The QWERTY keyboard usually contains 104 keys.

  6. Keys that are used to switch a function ON or OFF are called:

    1. Modifier Keys
    2. Toggle Keys
    3. Function Keys
    4. Arrow Keys
    Show answer

    Answer: (B) Toggle Keys

    Explanation: Toggle Keys are used to switch a function ON or OFF.

  7. Which of the following is a Toggle Key?

    1. Caps Lock
    2. Shift
    3. Ctrl
    4. Alt
    Show answer

    Answer: (A) Caps Lock

    Explanation: Caps Lock, Num Lock and Scroll Lock are toggle keys.

  8. Which of the following is a Modifier (Combination) Key, used along with another key?

    1. Num Lock
    2. Scroll Lock
    3. Caps Lock
    4. Alt
    Show answer

    Answer: (D) Alt

    Explanation: Shift, Ctrl and Alt are modifier (combination) keys.

  9. The AZERTY keyboard is mainly used in:

    1. India and China
    2. USA and Canada
    3. France and Belgium
    4. Japan and Korea
    Show answer

    Answer: (C) France and Belgium

    Explanation: AZERTY is mainly used in France, Belgium and some European countries (French keyboard).

  10. Which keyboard was developed to improve typing speed?

    1. QWERTY
    2. DVORAK
    3. AZERTY
    4. Numeric keypad
    Show answer

    Answer: (B) DVORAK

    Explanation: Exam Point: DVORAK = Fast Typing Keyboard.

  11. Who invented the computer mouse?

    1. Douglas C. Engelbart
    2. C. B. Mirick
    3. Jack Kilby
    4. Frank Beck
    Show answer

    Answer: (A) Douglas C. Engelbart

    Explanation: The mouse was invented by Douglas C. Engelbart.

  12. In which year did Douglas C. Engelbart invent the mouse?

    1. 1955
    2. 1971
    3. 1999
    4. 1963
    Show answer

    Answer: (D) 1963

    Explanation: Douglas C. Engelbart invented the mouse in 1963.

  13. A laptop uses which device instead of a traditional mouse?

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

    Answer: (D) Touchpad

    Explanation: A laptop uses a Touchpad instead of a traditional mouse.

  14. Which type of mouse contains a ball fixed inside the device that the user rotates with fingers?

    1. Optical Mouse
    2. Trackball Mouse
    3. Wireless Mouse
    4. Mechanical Mouse
    Show answer

    Answer: (B) Trackball Mouse

    Explanation: A Trackball Mouse contains a fixed ball which the user rotates using fingers.

  15. Which mouse uses a ball and rollers, collects dust and requires regular cleaning?

    1. Optical Mouse
    2. Mechanical Mouse
    3. Wireless Mouse
    4. Touchpad
    Show answer

    Answer: (B) Mechanical Mouse

    Explanation: A Mechanical Mouse uses a ball and rollers; its drawback is that it collects dust.

  16. An Optical Mouse works using:

    1. Ball and rollers
    2. Magnetic ink
    3. LED and optical sensor
    4. Photomultiplier tube
    Show answer

    Answer: (C) LED and optical sensor

    Explanation: An Optical Mouse uses LED, optical sensor and digital signal processing; it has no ball mechanism.

  17. Microsoft introduced optical mouse technology commercially in:

    1. 1999
    2. 1963
    3. 1984
    4. 1977
    Show answer

    Answer: (A) 1999

    Explanation: Microsoft introduced optical mouse technology commercially in 1999.

  18. Moving the mouse pointer over an object without clicking it is called:

    1. Dragging
    2. Scrolling
    3. Double-clicking
    4. Hovering
    Show answer

    Answer: (D) Hovering

    Explanation: Hovering means moving the mouse pointer over an object without clicking it.

  19. A Scanner converts printed documents, photographs or images into:

    1. Sound
    2. Magnetic ink
    3. Printed copies
    4. Digital form
    Show answer

    Answer: (D) Digital form

    Explanation: A Scanner converts printed documents, photographs or images into digital form.

  20. Which is the most commonly used type of scanner?

    1. Flatbed Scanner
    2. Drum Scanner
    3. Sheetfed Scanner
    4. Photo Scanner
    Show answer

    Answer: (A) Flatbed Scanner

    Explanation: The Flatbed Scanner is the most commonly used scanner; the document is placed on a glass surface.

  21. A Barcode Scanner is an example of which type of scanner?

    1. Handheld Scanner
    2. Flatbed Scanner
    3. Drum Scanner
    4. Sheetfed Scanner
    Show answer

    Answer: (A) Handheld Scanner

    Explanation: Barcode Scanner is a handheld scanner, held in hand and moved over the item.

  22. In which scanner does the paper move through the scanner while the scanner remains stationary, best for single-page documents?

    1. Flatbed Scanner
    2. Sheetfed Scanner
    3. Handheld Scanner
    4. Drum Scanner
    Show answer

    Answer: (B) Sheetfed Scanner

    Explanation: In a Sheetfed Scanner the paper moves through a stationary scanner; best for single-page documents.

  23. Which scanner uses a PMT (Photomultiplier Tube) and gives extremely high resolution?

    1. Flatbed Scanner
    2. Handheld Scanner
    3. Drum Scanner
    4. Sheetfed Scanner
    Show answer

    Answer: (C) Drum Scanner

    Explanation: A Drum Scanner uses PMT (Photomultiplier Tube) and offers extremely high resolution.

  24. Who is credited as the inventor of the Joystick in the chapter?

    1. Douglas C. Engelbart
    2. C. B. Mirick
    3. Bent Stumpe
    4. Jack Kilby
    Show answer

    Answer: (B) C. B. Mirick

    Explanation: Joystick inventor: C. B. Mirick.

  25. A Joystick is mainly used for:

    1. Reading bank cheques
    2. Scanning documents
    3. Video games and flight simulators
    4. Recording voice
    Show answer

    Answer: (C) Video games and flight simulators

    Explanation: Joystick uses: video games, flight simulators and military applications.

Why it matters

Why Input Devices - Part 1 is worth the hours

Where the marks actually come from.

Input Devices - Part 1 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 1 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 1

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 1 quiz

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

Start Input Devices - Part 1 quiz Computer page Daily Quiz Mock Tests
Questions

Input Devices - Part 1 - common questions

Answered against the set as it is published today.

All questions →

How long is the Input Devices - Part 1 quiz?

Input Devices - Part 1 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 1 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.