Input & Output Devices
Multiple Choice Questions

A device that sends data to a computer

A device that receives data from a computer

A device that stores data

A device that processes data

A device that displays or presents data from a computer

A device that sends data to a computer

A device that stores data

A device that processes data

Input sends data to computer, output receives data from computer

Output sends data to computer, input receives data from computer

Both send data to computer

Both receive data from computer

Keyboard, Mouse, Scanner

Monitor, Printer, Speakers

Hard Drive, USB Drive, SSD

CPU, RAM, Motherboard

Monitor, Printer, Speakers

Keyboard, Mouse, Scanner

Hard Drive, USB Drive, SSD

CPU, RAM, Motherboard

A device that stores data for later use

A device that displays data

A device that inputs data

A device that processes data

QWERTY

DVORAK

AZERTY

QWERTZ

To move the cursor and select items

To type text

To scan documents

To print documents

Optical uses LED, laser uses laser for tracking

Laser uses LED, optical uses laser

Both use LED

Both use laser

To convert physical documents into digital format

To print documents

To display documents

To store documents

To control cursor on laptops

To type text

To scan documents

To print documents

For gaming and controlling movements

For typing text

For scanning documents

For printing documents

An output device that displays visual information

An input device that captures visual information

A storage device

A processing device

LED uses light-emitting diodes, LCD uses liquid crystals

LCD uses LEDs, LED uses liquid crystals

Both use liquid crystals

Both use LEDs

To produce hard copies of documents

To scan documents

To display documents

To store documents

Inkjet uses ink, laser uses toner

Laser uses ink, inkjet uses toner

Both use ink

Both use toner

To output audio

To input audio

To store audio

To process audio

An output device that displays images on a large surface

An input device that captures images

A storage device

A processing device

A storage device using magnetic platters

A storage device using flash memory

A storage device using optical media

A storage device using tapes

HDD has moving parts, SSD has no moving parts

SSD has moving parts, HDD has no moving parts

Both have moving parts

Both have no moving parts

A portable storage device using flash memory

A hard disk drive

An optical disc

A magnetic tape

To store data in portable devices

To process data

To display data

To input data

To read and write CDs, DVDs, and Blu-ray discs

To read and write hard disks

To read and write flash drives

To read and write tapes

To store data on remote servers

To store data on local devices

To process data

To display data

The number of pixels on the screen

The size of the screen

The color depth of the screen

The refresh rate of the screen

4K has 4 times the pixels of 1080p

1080p has 4 times the pixels of 4K

Both have the same pixels

4K has half the pixels of 1080p

The number of times per second the screen updates

The number of pixels on the screen

The size of the screen

The color depth of the screen

OLED emits its own light, LCD uses backlight

LCD emits its own light, OLED uses backlight

Both emit their own light

Both use backlight

The ratio of width to height

The number of pixels

The size of the screen

The color depth

High Dynamic Range for better contrast and colors

High Display Resolution

High Definition Refresh

Hardware Display Rendering

Dots Per Inch - measure of print resolution

Display Per Inch

Data Per Input

Digital Print Interface

3D printing creates three-dimensional objects, traditional creates 2D images

Traditional creates 3D objects, 3D printing creates 2D images

Both create 3D objects

Both create 2D images

A printer that uses heat to print on special paper

A printer that uses ink

A printer that uses toner

A printer that uses ribbons

To print large-format vector graphics and designs

To print standard documents

To print photos

To print 3D objects

Inkjet uses liquid ink, laser uses toner powder

Laser uses liquid ink, inkjet uses toner powder

Both use liquid ink

Both use toner powder

Printing on both sides of the paper

Printing in double resolution

Printing in duplicate

Printing with two colors

To capture audio input

To output audio

To store audio

To process audio

Dynamic is more durable, condenser is more sensitive

Condenser is more durable, dynamic is more sensitive

Both are equally sensitive

Both are equally durable

To output audio privately

To input audio

To store audio

To process audio

Mono uses one channel, stereo uses two channels

Stereo uses one channel, mono uses two channels

Both use one channel

Both use two channels

A hardware component that processes audio

A storage device for audio

An input device for audio

An output device for audio

To connect audio devices to a computer

To store audio files

To process audio files

To display audio waveforms

A device that connects a computer to a network

A device that stores network data

A device that displays network data

A device that processes network data

Wi-Fi is wireless, Ethernet is wired

Ethernet is wireless, Wi-Fi is wired

Both are wireless

Both are wired

A device that modulates and demodulates signals for internet connection

A device that stores data

A device that displays data

A device that processes data

A device that routes data between networks

A device that stores data

A device that displays data

A device that processes data

To connect devices within a network

To connect different networks

To store network data

To display network data

Hub broadcasts to all ports, switch sends to specific ports

Switch broadcasts to all ports, hub sends to specific ports

Both broadcast to all ports

Both send to specific ports

To connect various peripherals to a computer

To display video

To connect to networks

To power devices

USB 3.0 is faster than USB 2.0

USB 2.0 is faster than USB 3.0

Both have the same speed

USB 3.0 has different connector shape

To transmit audio and video signals

To connect USB devices

To connect to networks

To power devices

VGA transmits analog video, HDMI transmits digital audio/video

HDMI transmits analog video, VGA transmits digital audio/video

Both transmit analog video

Both transmit digital audio/video

To connect to a wired network

To connect USB devices

To transmit audio

To display video

A high-speed interface for data, video, and power

A standard USB port

A network port

An audio port

A display that responds to touch input

A display that only shows images

A display that outputs audio

A display that stores data

Capacitive uses electrical properties, resistive uses pressure

Resistive uses electrical properties, capacitive uses pressure

Both use pressure

Both use electrical properties

Touchscreen that recognizes multiple touch points simultaneously

Touchscreen that recognizes one touch point

Touchscreen that uses multiple displays

Touchscreen that uses multiple sensors

Technology that interprets human gestures

Technology that interprets text

Technology that interprets audio

Technology that interprets images

To interact with touchscreens precisely

To type text

To scan documents

To print documents

Tactile feedback through touch sensation

Visual feedback

Audio feedback

Text feedback

Using biological characteristics for identification

Using passwords for authentication

Using tokens for authentication

Using PINs for authentication

To authenticate users using fingerprints

To scan documents

To print documents

To display images

Face recognition identifies, facial authentication verifies

Facial authentication identifies, face recognition verifies

Both identify

Both verify

Biometric authentication using patterns in the iris

Scanning the retina

Facial recognition

Fingerprint scanning

To identify or authenticate users by voice

To recognize speech patterns

To translate languages

To transcribe audio

To read data from smart cards

To store data

To display data

To process data

To manage communication between CPU and I/O devices

To store I/O data

To display I/O data

To process I/O data

Programmed I/O uses CPU polling, interrupt-driven uses CPU interruption

Interrupt-driven uses CPU polling, programmed I/O uses CPU interruption

Both use CPU polling

Both use CPU interruption

Allowing I/O devices to access memory without CPU

Allowing CPU to access I/O devices

Allowing I/O devices to access each other

Allowing memory to access CPU

Synchronous blocks until complete, asynchronous doesn't block

Asynchronous blocks until complete, synchronous doesn't block

Both block until complete

Neither blocks until complete

To temporarily store data during I/O operations

To permanently store data

To delete data

To compress data

To store frequently accessed data for faster access

To delete data

To compress data

To encrypt data

Simulated I/O devices in virtual environments

Physical I/O devices

Cloud-based I/O

Network-based I/O

To share physical I/O resources among multiple virtual machines

To create physical I/O devices

To delete I/O devices

To isolate I/O devices

A virtualized network interface for virtual machines

A physical network card

A wireless network adapter

A USB network adapter

To connect USB devices to virtual machines

To connect physical USB devices

To store USB data

To process USB data

Virtual I/O is simulated, physical I/O is hardware-based

Physical I/O is simulated, virtual I/O is hardware-based

Both are simulated

Both are hardware-based

To give a VM direct access to a physical PCI device

To create virtual PCI devices

To delete PCI devices

To isolate PCI devices

To read screen content aloud for visually impaired users

To display screen content

To store screen content

To process screen content

To display text in Braille for visually impaired users

To display images

To play audio

To store data

To control devices using voice commands

To output audio

To store voice data

To process voice data

To control devices using eye movements

To display images

To store data

To process data

To help users with mobility impairments interact with devices

To display content

To store data

To process data

Voice recognition converts speech to text, voice control executes commands

Voice control converts speech to text, voice recognition executes commands

Both convert speech to text

Both execute commands

A display with built-in intelligence and interactivity

A regular display

A display without any features

A display with only basic features

To provide immersive augmented and virtual reality experiences

To display regular content

To store data

To process data

A speaker with voice assistant capabilities

A regular speaker

A speaker without any features

A speaker with only basic features

To allow direct communication between brain and computer

To display brain signals

To store brain signals

To process brain signals

A device worn on the body for I/O functions

A device placed on a desk

A device stored in a pocket

A device connected to a TV

To control devices using hand gestures

To control devices using voice

To control devices using touch

To control devices using eye movements

To select objects on a screen

To type text

To scan documents

To print documents

To display computer output on a large screen

To capture images

To store data

To process data

Magnetic uses magnetism, optical uses lasers

Optical uses magnetism, magnetic uses lasers

Both use magnetism

Both use lasers

To connect the computer to a display

To store display data

To process display data

To power the display

To manage and control printing resources

To print documents directly

To store print data

To display print data

A device that converts digital audio to analog

A device that converts analog audio to digital

A device that stores audio

A device that processes audio

To connect to wireless networks

To connect to wired networks

To store network data

To process network data

To connect displays with high-quality video and audio

To connect USB devices

To connect to networks

To power devices

To interact with touchscreens

To type text

To scan documents

To print documents

To authenticate users using retinal patterns

To scan documents

To print documents

To display images

To connect I/O devices to the computer

To store I/O data

To process I/O data

To display I/O data

To provide on-screen keyboard input

To type text

To scan documents

To print documents

To control devices using breath signals

To display images

To store data

To process data

To provide notifications and interact with devices

To only display time

To store data

To process data

To read barcode information

To type text

To scan documents

To print documents

A display for public information and advertising

A personal monitor

A television

A projector

Network-Attached Storage for sharing data over a network

A local hard drive

A USB flash drive

A memory card

To provide immersive viewing experience

To display flat images

To store data

To process data

To print large documents and posters

To print standard documents

To print photos

To print 3D objects

To amplify weak audio signals

To reduce audio signals

To store audio signals

To process audio signals

To connect and bridge network segments

To connect to the internet

To store network data

To process network data

To connect parallel devices like printers

To connect USB devices

To connect to networks

To power devices

To detect pressure levels for different inputs

To detect simple clicks

To detect movement

To detect gestures

To authenticate based on behavior patterns

To authenticate based on physical characteristics

To store data

To process data

To transmit data one bit at a time

To transmit data in parallel

To store data

To process data

To display virtual machine output

To display physical output

To store data

To process data

To help users with disabilities access devices

To switch between devices

To store data

To process data

To monitor biometric data and provide I/O

To only display time

To store data

To process data

I/O devices are a subset of peripherals

Peripherals are a subset of I/O devices

Both are the same

Neither is related

MicroLED, foldable displays, and holographic displays

Only LCD technology

Only CRT technology

No advancement expected