Input and Output Devices: A Comprehensive Guide for Beginners

Question 1

What is the primary function of a graphics card?

Accepted Answer

To process and display visual information on a monitor

Answer

To store data and programs

Answer

To provide sound output

Answer

To connect the computer to the internet

Question 2

What is the main purpose of a sound card?

Accepted Answer

To generate and output audio signals

Answer

To capture and process audio input

Answer

To store and manage music files

Answer

To connect external audio devices

Question 3

Which of the following is a characteristic of a high-resolution printer?

Accepted Answer

Produces sharp and detailed prints

Answer

Uses a large amount of ink or toner

Answer

Is suitable for printing on various materials

Answer

Requires specialized software and hardware

Question 4

What is the function of a webcam?

Accepted Answer

To record and transmit real-time video

Answer

To capture still images

Answer

To display video content from the internet

Answer

To provide video playback and editing

Question 5

What is the advantage of using an external graphics card over an integrated graphics card?

Accepted Answer

Increased processing power and performance

Answer

Lower cost and better value for money

Answer

Compact size and portability

Answer

Improved energy efficiency

Question 6

Which of the following is a characteristic of a passive cooling system?

Accepted Answer

Relies on natural convection and radiation

Answer

Uses fans or liquid to actively remove heat

Answer

Is typically more expensive than active cooling systems

Answer

Requires external power to operate

Question 7

Which input device captures and records motion? Describe how it works.

Accepted Answer

Motion capture camera

Answer

Keyboard

Answer

Mouse

Answer

Scanner

Question 8

What is the main purpose of an input device, as opposed to an output device?

Accepted Answer

To gather input from the user

Answer

To show information to the user

Answer

To save data

Question 9

Which of the following is NOT classified as an input device?

Accepted Answer

Printer

Answer

Keyboard

Answer

Scanner

Answer

Webcam

Question 10

What is the primary function of an output device in a computer system?

Accepted Answer

To display or produce information

Answer

To receive data from the user

Answer

To store data for future use

Answer

To process data before it is displayed

Question 11

Which of the following display technologies is known for its high resolution and wide viewing angles?

Accepted Answer

Light Emitting Diode (LED)

Answer

Cathode Ray Tube (CRT)

Answer

Liquid Crystal Display (LCD)

Answer

Plasma Display Panel (PDP)

Question 12

What is the primary purpose of a sound card in a computer system?

Accepted Answer

To process and generate sound

Answer

To control the display of graphics on the monitor

Answer

To connect the computer to a network

Answer

To store data on a hard drive

Question 13

What is the fundamental difference between analogue and digital input signals?

Accepted Answer

Analogue signals are continuous, while digital signals are discrete.

Answer

Digital signals are continuous, while analogue signals are discrete.

Answer

Analogue signals are used for audio, while digital signals are used for video.

Answer

Digital signals are used for audio, while analogue signals are used for video.

Question 14

Which of the following is NOT an advantage of using solid-state storage devices?

Accepted Answer

Lower capacity

Answer

Faster data transfer speeds

Answer

Greater durability and reliability

Answer

Lower power consumption

Question 15

What is the primary function of a network interface card (NIC) in a computer system?

Accepted Answer

To connect the computer to a network

Answer

To connect the computer to a printer

Answer

To control the flow of data between the CPU and memory

Answer

To convert digital signals to analogue signals

Question 16

Which of the following printer types utilizes ink droplets to create images on paper?

Accepted Answer

Inkjet printer

Answer

Laser printer

Answer

Dot-matrix printer

Answer

Solid ink printer

Question 17

What is the main purpose of using a surge protector in a computer system?

Accepted Answer

To protect electrical devices from power surges

Answer

To improve the quality of the electrical power supply

Answer

To regulate the voltage of the electrical current

Answer

To convert AC power to DC power

Question 18

Which of the following is **not** an input device?

Accepted Answer

Printer

Answer

Mouse

Answer

Scanner

Answer

Keyboard

Question 19

What is the main role of an output device?

Accepted Answer

Display or produce data for the user

Answer

Receive data from the user

Answer

Store data for later use

Answer

Control the operation of the computer

Question 20

Which type of output device produces permanent copies of data?

Accepted Answer

Printer

Answer

Monitor

Answer

Projector

Answer

Speaker

Question 21

What differentiates a touch screen from a light pen?

Accepted Answer

A touch screen is operated with fingers, while a light pen is controlled by a stylus.

Answer

A light pen emits light, whereas a touch screen does not.

Answer

A touch screen is primarily used for drawing, while a light pen is intended for pointing.

Answer

A light pen requires special software, but a touch screen does not.

Question 22

Which of these is an example of a haptic output device?

Accepted Answer

Vibration motor

Answer

Mouse

Answer

Keyboard

Answer

Printer

Question 23

What is the purpose of a biometric scanner?

Accepted Answer

Identify individuals based on their unique physical traits

Answer

Scan documents and images

Answer

Control access to a system

Answer

Store and retrieve data

Question 24

Apart from speed and resolution, what other factor can influence the quality of output from an output device?

Accepted Answer

Contrast ratio

Answer

Input device sensitivity

Answer

Data transfer speed

Answer

Processor speed

Question 25

Which of the following is an input device used to enter text and numbers?

Accepted Answer

Keyboard

Answer

Monitor

Answer

Printer

Answer

Speakers

Question 26

What is the primary purpose of an output device?

Accepted Answer

To display data

Answer

To receive data from the user

Answer

To store data

Answer

To process data

Question 27

Which of the following is NOT a characteristic of an input device?

Accepted Answer

Processes data

Answer

Allows users to interact with the computer

Answer

Receives data from the user

Answer

Converts data into a form that the computer can understand

Question 28

What is the name of the output device that produces printed documents?

Accepted Answer

Printer

Answer

Keyboard

Answer

Monitor

Answer

Scanner

Question 29

Which of the following is an example of an I/O device that allows users to interact with the computer?

Accepted Answer

Keyboard

Answer

RAM

Answer

CPU

Answer

Hard disk

Question 30

What is the function of a graphics card in a computer system?

Accepted Answer

To enhance the display of images and videos

Answer

To store large amounts of data

Answer

To perform complex calculations

Answer

To connect to the Internet

Question 31

Which of the following is a type of pointing device that allows users to control the cursor on the screen?

Accepted Answer

Touchscreen

Answer

Keyboard

Answer

Microphone

Answer

Printer

Question 32

What is the primary purpose of a sound card?

Accepted Answer

To capture, process, and play audio

Answer

To store data on a hard drive

Answer

To perform mathematical operations

Answer

To connect to other computers on a network

Question 33

Which of the following factors is NOT important to consider when selecting an input device?

Accepted Answer

Storage capacity

Answer

Compatibility with the computer system

Answer

Accuracy and reliability

Answer

Ease of use

Question 34

Which printer type excels in producing high-quality photographs?

Accepted Answer

Inkjet printer

Answer

Laser printer

Answer

Thermal printer

Answer

Dot matrix printer

Question 35

Which of these is not an input device?

Accepted Answer

Speaker

Answer

Keyboard

Answer

Mouse

Answer

Scanner

Question 36

What is the main function of input devices?

Accepted Answer

To receive data or control signals from the user

Answer

To display information to the user

Answer

To store data

Answer

To process data

Question 37

Which type of input device is used to capture images of physical objects?

Accepted Answer

Scanner

Answer

Keyboard

Answer

Webcam

Answer

Microphone

Question 38

What is the primary purpose of an output device?

Accepted Answer

To transmit data or information to the user

Answer

To receive data from the user

Answer

To store data

Answer

To process data

Question 39

Which of the following is not an example of an output device?

Accepted Answer

Keyboard

Answer

Monitor

Answer

Printer

Answer

Speaker

Question 40

Which type of output device is used to produce physical copies of documents?

Accepted Answer

Printer

Answer

Monitor

Answer

Scanner

Answer

Webcam

Question 41

Which characteristic is unique to input devices?

Accepted Answer

Receiving information from the user

Answer

Storing data permanently

Answer

Processing data

Answer

Transmitting data over networks

Question 42

What is the main purpose of an expansion card?

Accepted Answer

To add new features to a computer system

Answer

To store data

Answer

To process data

Answer

To connect peripheral devices to the computer

Question 43

What is the function of a bus in a computer system?

Accepted Answer

To transfer data between different components

Answer

To store data

Answer

To process data

Answer

To provide power to components

Question 44

Which of the following is **not** considered an input device?

Accepted Answer

Printer

Answer

Mouse

Answer

Keyboard

Answer

Scanner

Question 45

What is the main function of an output device?

Accepted Answer

To display or output information from the computer.

Answer

To receive data from the user.

Answer

To store data for future use.

Question 46

In a computer system, which device is responsible for converting digital data into audible sounds?

Accepted Answer

Speaker

Answer

Printer

Answer

Webcam

Answer

Microphone

Question 47

Which type of input device allows users to interact with a computer through gestures on a touch-sensitive surface?

Accepted Answer

Touchscreen

Answer

Joystick

Answer

Mouse

Answer

Keyboard

Question 48

What is the primary purpose of a barcode scanner?

Accepted Answer

To read and interpret barcodes, extracting encoded information.

Answer

To display text and images.

Answer

To take pictures and record videos.

Question 49

Which of the following is the main type of printer that utilizes ink droplets to produce high-quality images and text on paper?

Accepted Answer

Inkjet printer

Answer

Laser printer

Answer

Dot-matrix printer

Question 50

What is a primary advantage of using a solid-state drive (SSD) over a traditional hard disk drive (HDD)?

Accepted Answer

Faster read and write speeds

Answer

More affordable price

Answer

Lower power consumption

Answer

Larger storage capacity

Question 51

Which of the following is **not** a type of expansion slot found on a computer motherboard?

Accepted Answer

USB port

Answer

DIMM slot

Answer

ISA slot

Answer

PCIe slot

Question 52

What is the primary responsibility of the BIOS (Basic Input/Output System) in a computer system?

Accepted Answer

To initialize hardware components and offer fundamental software services.

Answer

To process and run application programs.

Answer

To store and manage user data.