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Computer Awareness is an essential section in exams like Banking, SSC CGL, and other government exams. Understanding the basics of Input and Output Devices is crucial as these topics are frequently asked.

Whether you're just starting your preparation or looking to strengthen your knowledge, this collection of MCQs will help you improve. Here, we cover key concepts related to Input and Output Devices, including:

• Common Input Devices
• Key Output Devices
• Basic Computer Operations
• Important Shortcuts & Functions

Practice Show All Answers

Q1: Codes consisting of bars or lines of varying widths or lengths that are computer readable are known as-

A. An ASCII code

B. A magnetic tape

C. An OCR scanner

D. A Bar code

A barcode is a graphical representation of data that can be read by scanners and interpreted by a computer.

Q2: Whenever we have to give space between the two words while typing on a PC we have to press a key known as-

A. Backspace

B. Shift

C. Ctrl

D. Space Bar

The Space Bar is used to insert spaces between words while typing.

Q3: The key and the key can be used in combination with other keys to perform shortcuts and special tasks.

A. Control, Alt

B. Function, toggle

C. Delete, insert

D. Caps lock, num lock

The Control (Ctrl) and Alt keys are modifier keys used in combination with other keys for shortcuts and special tasks.

Q4: Which type of device is the computer monitor?

A. Input

B. Output

C. Processing

D. Software

The monitor is an output device that displays visual output from the computer.

Q5: Which of these keys is not on the number keypad?

A. Ctrl

B. Del

C. Enter

D. Num Lock

The Ctrl key is not found on the number keypad. The Del, Enter, and Num Lock keys are part of the number keypad.

Q6: The primary output device for computers is a-

A. Video monitor

B. Printer

C. Keyboard

D. Mouse

The video monitor is the most commonly used output device, as it displays the computer's graphical user interface and processed data.

Q7: Provides the means to move the pointer on the screen and give information to the computer by clicking its buttons.

A. Scanner

B. Mouse

C. Keyboard

D. Program

The mouse is a pointing device used to move the cursor on the screen and interact with the computer.

Q8: Soft copy refers to-

A. Printed output

B. Music sounds

C. Screen output

D. Digitizing

Soft copy refers to digital output displayed on a screen, such as text, images, or videos, in contrast to a physical, printed copy.

Q9: Why is the Caps Lock key referred to as a toggle key?

A. Because its function goes back and forth every time it is pressed

B. Because it cannot be used for entering numbers

C. Because it cannot be used to delete

D. Because it cannot be used to insert

The Caps Lock key is a toggle key because pressing it switches between uppercase and lowercase letters.

Q10: One puts information into the computer by pressing this key-

A. Caps lock

B. Tab

C. Enter

D. Esc

The Enter key is used to submit data into the computer or move the cursor to the next line.

Q11: The key that must be pressed each time a new command or information is entered-

A. Esc

B. Return/Enter

C. Delete

D. Home

The Enter key is pressed to execute a command or input information.

Q12: 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

Drag and drop is a method of moving an item on the screen by clicking, holding, and dragging it to a new location.

Q13: 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

The action of shading text with the mouse is called highlighting.

Q14: A button that makes characters either upper or lower case and numbers to symbols-

A. Monitor

B. Shift key

C. Icon

D. Mouse

The Shift key is used to type uppercase letters or symbols, depending on the other key pressed.

Q15: Pick the odd one-

A. Mouse

B. Scanner

C. Printer

D. Keyboard

A scanner is an input device, while the rest (mouse, printer, keyboard) are output or input-output devices.

Q16: Letters, numbers, and symbols found on a keyboard are-

A. Icon

B. Screen

C. Keys

D. Menu

The keys on a keyboard correspond to letters, numbers, and symbols used for input.

Q17: A piece of hardware that is used to enter information into the computer by using keys-

A. Keyboard

B. Monitor

C. Hard disk

D. Icon

A keyboard is a hardware device used for entering information by pressing keys.

Q18: Capital letters on a keyboard are referred to as-

A. Caps lock key

B. Grownups

C. Big guys

D. Upper case letters

The capital letters on a keyboard are known as upper case letters.

Q19: Powerful key that lets you exit a program when pushed-

A. Arrow key

B. Space bar

C. Escape key

D. Return key

The Escape (Esc) key is used to exit or cancel a command or program.

Q20: Printed information called exists physically and is a more permanent form of output than that presented on a display device-

A. Soft copy

B. Carbon copy

C. Hard copy

D. Desk copy

A hard copy is a printed version of a document, which is a permanent form of output.

Q21: Moves the cursor one space to the right or puts spaces in between words-

A. Control key

B. Space bar

C. Printer

D. Mouse

The Space Bar moves the cursor one space to the right and creates spaces between words.

Q22: 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

The Caps Lock key allows you to type all letters in capital without holding the shift key.

Q23: Devices that let the computer communicate with you-

A. Input

B. Output

C. Type

D. Print

Output devices let the computer communicate with the user by displaying or producing data. Examples include monitors and printers.

Q24: Devices that allow you to put information into the computer-

A. Input

B. Output

C. Type

D. Print

Input devices allow the user to send information into the computer. Common input devices include keyboards and mice.

Q25: Any letter, number, or symbol found on the keyboard that you can type into the computer-

A. Output

B. Character

C. Type

D. Print

Character refers to any letter, number, or symbol that can be typed using a keyboard.

Q26: 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

Output devices are hardware that display or project the results of a computer's processing. The most common examples are the monitor and printer.

Q27: Mouse technique used for access in properties of any object is-

A. Dragging

B. Dropping

C. Right clicking

D. Shift clicking

Right-clicking is used to open the context menu, providing access to various properties and options of an object.

Q28: To go to the beginning of a text line press-

A. Home

B. Page up

C. Enter

D. None of these

The Home key moves the cursor to the beginning of a line in text editing. It is a common keyboard shortcut for navigation.

Q29: The most common input devices are-

A. Micro phone, printer

B. Scanner, monitor

C. Digital camera, speaker

D. Keyboard, mouse

The most common input devices for computers are the keyboard (used for typing) and the mouse (used for pointing and clicking).

Q30: To see all information which device output uses?

A. Monitor

B. Keyboard

C. ALU

D. CPU

A monitor is a primary output device that displays the information processed by the computer, including text, images, and videos.

Q31: Which of following is not an input device?

A. Keyboard

B. Monitor

C. Joystick

D. Microphone

A monitor is an output device, as it displays the information from the computer, whereas the others (keyboard, joystick, and microphone) are input devices.

Q32: What is a function of a keyboard in computer?

A. Print

B. Input

C. Type

D. In between input and output

A keyboard is primarily an input device used to enter text, numbers, and commands into a computer.

Q33: Which of the following is an output device?

A. Printer

B. Monitor

C. Mouse

D. a and b both

Both printer and monitor are output devices. The mouse is an input device.

Q34: The general method for to input the text and numerical data in computer is by-

A. Keyboard

B. Scanner

C. Printer

D. Platter

The keyboard is the most common method for entering text and numerical data into a computer.

Q35: Output devices make it possible to-

A. View and print a data

B. Scan a data

C. Input a data

D. Sending a data

Output devices such as monitors and printers are used to display or print the data processed by the computer.

Q36: Hard copy of a document is-

A. Printed on printer

B. Stored in floppy

C. Store in CD

D. Store in hard disk

A hard copy refers to a printed version of a document, typically created by a printer.

Q37: Which of following groups have only input devices?

A. Mouse, Keyboard, Monitor

B. Mouse, Keyboard, Printer

C. Mouse, Keyboard, Plotter

D. Mouse, Keyboard, Scanner

The mouse, keyboard, and scanner are all input devices used to send data to a computer.

Q38: Which of following groups have only output devices?

A. Scanner, Printer, Monitor

B. Keyboard, Printer, Monitor

C. Mouse, Printer, Monitor

D. Plotter, Printer, Monitor

The printer and monitor are output devices. A platter is a storage medium and not an output device.

Q39: Any data and instruction entered in the memory of a computer is-

A. Storage

B. Output

C. Input

D. Information

Any data entered into a computer for processing is known as input. The CPU processes this input to generate output.

Q40: To make the number pad act as a directional arrow, we press-

A. Num lock

B. Caps lock

C. Arrow lock

D. Shift

Pressing Num Lock on the number pad allows the numeric keys to act as directional arrows.

Q41: Which key is used in combination with another key to perform a specific task?

A. Function

B. Spacebar

C. Arrow

D. Control

The Control (Ctrl) key is used in combination with other keys to perform specific functions (e.g., Ctrl+C to copy).

Q42: Ctrl, Shift and Alt are called keys.

A. Function

B. Alphanumeric

C. Modifier

D. Adjustment

Ctrl, Shift, and Alt are modifier keys that alter the function of other keys when pressed together.

Q43: The pattern of printed lines on most products are called-

A. Prices

B. OCR

C. Scanners

D. Barcodes

The pattern of lines or bars on products is called a barcode, which is scanned to retrieve product information.

Q44: What type of device is a computer printer?

A. Input

B. Output

C. Storage

D. Software

A printer is an output device, as it produces a hard copy of the information from the computer.

Q45: A scanner scans-

A. Pictures

B. Text

C. Both picture and text

D. Neither picture nor text

A scanner can digitize both pictures and text for use in digital form on a computer.

Q46: What would you do to highlight a word? You position the cursor next to the word, and then-

A. Drag mouse while holding button down

B. Click mouse once

C. Roll mouse around

D. Roll and then click mouse

To highlight a word, you must click and hold the left mouse button and drag the cursor over the word.

Q47: A can make it easier to play games.

A. Mouse

B. Joystick

C. Keyboard

D. Pen

A joystick is commonly used for controlling video games, especially for motion or direction-based control.

Q48: In MICR, C stands for-

A. Code

B. Colour

C. Computer

D. Character

In MICR (Magnetic Ink Character Recognition), the "C" stands for Character, referring to the characters printed with magnetic ink for recognition.

Q49: Soft copy is an intangible output, so then what is a hard copy?

A. The physical parts of the computer

B. The printed parts of the computer

C. The printed output

D. The physical output device

A hard copy refers to a physical, printed version of data, as opposed to a soft copy that exists digitally.

Q50: A printer is this kind of device-

A. Input

B. Output

C. Processing

D. Storage

A printer is an output device used to produce a physical copy of data.

Q51: The most common method of entering text and numerical data into a computer system is through the use of a-

A. Keyboard

B. Scanner

C. Printer

D. Platter

The keyboard is the most common input device used for entering text and numerical data into a computer system.

Q52: A keyboard is this kind of device-

A. Black

B. Input

C. Output

D. Word Processing

A keyboard is an input device that allows the user to enter data and commands into the computer.

Q53: Which part of a computer displays the work done?

A. RAM

B. Printer

C. Monitor

D. ROM

The monitor is the output device that displays the work done by the computer, including processed data, images, or text.

Q54: 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

The Delete key removes characters or information from the screen or computer's memory.

Q55: The takes on different shapes depending on the task you are performing-

A. Active tab

B. Insertion point

C. Mouse pointer

D. Ribbon

The mouse pointer changes shape depending on the task (e.g., arrow, hand, or text cursor).

Q56: 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)

The Tab key is used to move the cursor across the screen and to indent a paragraph.

Q57: Information that comes from an external source and is fed into computer software is called-

A. Input

B. Output

C. Throughput

D. Reports

Input refers to the data and instructions entered into the computer from external sources.

Q58: Which keys enable the input of numbers quickly?

A. Function keys

B. The numeric keypad

C. Ctrl, shift and alt

D. Arrow keys

The numeric keypad is used to input numbers quickly in many computing environments.

Q59: You use a(n) _______, such as a keyboard or mouse, to input information.

A. Storage device

B. Processing device

C. Input device

D. Output device

Input devices, such as a keyboard and mouse, are used to enter data into the computer.

Q60: A(n) _______ 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

A digital camera captures still images in a digital format, which can be easily transferred into a computer.

Q61: Digital photos and scanned images are typically stored as ... graphics with extensions such as .bmp, .png, .jpg, .tif, or .gif.

A. Vector

B. Bitmap

C. Either vector or bitmap

D. Neither vector nor bitmap

Bitmap graphics (e.g., .bmp, .jpg) are commonly used for storing photos and scanned images.

Q62: OCR stands for-

A. Optical Character Recognition

B. Optical CPU Recognition

C. Optimal Character Rendering

D. Other Character Restoration

OCR stands for Optical Character Recognition, a technology used to recognize text from images or scanned documents.

Q63: Which device is used as the standard pointing device in a Graphical User Environment?

A. Keyboard

B. Mouse

C. Joystick

D. Trackball

The mouse is the standard pointing device used in most graphical user interfaces (GUIs).

Q64: Which of the following is not an output device?

A. Plotter

B. Printer

C. Monitor

D. Touch Screen

A touch screen is an input/output device, while the others (plotter, printer, monitor) are purely output devices.

Q65: 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

The arrow keys are used to move the cursor within the text.

Q66: 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

A keyboard is used for inputting text, numbers, and sending commands to the computer.

Q67: Which of the following keys is used in computer to change the lower case letter mode to uppercase?

A. Alt

B. Ctrl

C. Caps Lock

D. Enter

The Caps Lock key is used to toggle between lower case and upper case letters.

Q68: Which among the following is a 'Modifier Key'?

A. Control

B. Shift

C. Alt

D. All options are correct

Control (Ctrl), Shift, and Alt are all modifier keys used in combination with other keys for special functions.

Q69: Who invented Pentium Chip?

A. C. Kumar Patel

B. Tom Gunter

C. Vince Emery

D. Vinod Dham

The Pentium chip was invented by Vinod Dham, a key figure in the development of modern processors.

Q70: Which of the following could be digital input devices for computers?

A. Digital camcorder

B. Microphone

C. Scanner

D. All of the above

All the listed devices (digital camcorder, microphone, scanner) are examples of digital input devices that can feed information into a computer.

Q71: A sales clerk at a checkout counter scanning a tag on an item rather than keying it into the system, is using-

A. Input automation

B. Item data automation

C. Scanning automation

D. Source data automation

Source data automation refers to the automatic input of data through technologies such as barcode scanners.

Q72: 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

Pressing the Esc key closes the open menu or dialog box.

Q73: 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

The Delete key removes characters or information from the screen or computer's memory.

Q74: A _______ is often used to select or highlight.

A. Icon

B. Keyboard

C. Hard disk

D. Floppy disk

An icon is often clicked to select or highlight files or applications on a screen.

Q75: 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-

A. Hard drive

B. Piece of paper

C. Scanner

D. Floppy disk

A floppy disk can be used to transfer data between two computers, allowing Mr. X to print his report on Mr. Y's computer.

Q76: The most frequently used piece of hardware for inputting data is-

A. Keyboard

B. Floppy disk

C. Cursor

D. Software

The keyboard is the most commonly used device for inputting data into the computer.

Q77: The _______ may also be called the screen or monitor.

A. Printer

B. Scanner

C. Hard disk

D. Display

The display is another name for the screen or monitor that shows the computer's output.

Q78: The computer monitor is which type of device?

A. Scanning

B. Input

C. Processor

D. Output

The monitor is an output device that displays the processed information from the computer.

Q79: Which of these is not an input device?

A. Mouse

B. Keyboard

C. Printer

D. Scanner

The printer is an output device, whereas the mouse, keyboard, and scanner are input devices.

Q80: Which of the following is used to store data permanently in a computer?

A. RAM

B. Hard Drive

C. CPU

D. Monitor

The hard drive is used to store data permanently, unlike RAM, which is volatile storage.

Q81: A device that can both input and output data is known as-

A. Input device

B. Output device

C. I/O device

D. Storage device

An I/O device (input/output device) can both send and receive data, such as a touch screen.

Q82: Which of the following is an example of an optical input device?

A. Keyboard

B. Mouse

C. Scanner

D. Printer

A scanner is an optical input device that converts physical documents into digital format.

Q83: Which of these is an input device used to move the cursor on the screen?

A. Mouse

B. Keyboard

C. Monitor

D. Printer

The mouse is an input device that allows the user to move the cursor on the screen.

Q84: The combination of a keyboard and a mouse is called-

A. Input device

B. Output device

C. I/O devices

D. Hardware

A combination of a keyboard and a mouse is classified as I/O devices, as they can both input data into the computer and output information through the display.

Q85: What does the “Windows key” on a keyboard do?

A. Opens Windows File Explorer

B. Open the Start Menu

C. Close the currently open window

D. Scroll through open windows

The Windows key on the keyboard opens the Start Menu in the Windows operating system.

Q86: Which of these is an example of an input device used to digitize sound?

A. Microphone

B. Speaker

C. Printer

D. Monitor

A microphone is an input device used to digitize sound for input into a computer.

Q87: What does a trackpad do?

A. It is used to digitize sound

B. It is used to input data via touch

C. It is used to store data

D. It is used for graphical editing

A trackpad (or touchpad) is a touch-sensitive input device that allows users to input data and control the cursor by moving their fingers across the surface.

Q88: What do we call the action of clicking and holding the mouse button while moving the mouse to move an object on the screen?

A. Drag and Drop

B. Point and Click

C. Slide and Drop

D. Double Click

Drag and drop is the action of clicking and holding the mouse button while moving the mouse to move an object on the screen.

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Keep Practicing!

These MCQs will help you build a strong foundation in computer awareness, giving you the edge you need in exams like Banking and SSC CGL.

Stay tuned for more practice sets on other important computer-related topics that frequently appear in exams!

Computer Awareness Chapters: Learn Key Concepts with MCQs
General Introduction to Computers Input and Output Devices Personal Computer Data Representation and Number System Data Communication Microsoft Windows	Development of Computers Computer Memory Design Tools and Programming Languages Computer Software Internet Technology Microsoft Office