Input and Output Devices

A computer requires special devices to work well. These devices help us to give information to the computer and receive the result from the computer.

Input Devices

Input devices are used to send information to the computer.

Keyboard

Used to type letters and numbers.
Helps with writing home assignments and stories.
Has many keys for typing.

KEYBOARD

Mouse

Used to move the pointer on the screen.
Helps to click and select things.
Used to open files and games.

MOUSE

Microphone

Used to record sound.
Helps us to speak while taking online classes.
Can record songs or voice messages.

MICROPHONE

Scanner

Make copies of pictures and documents.
Change paperwork to a digital form.
Saving documents on the computer.

SCANNER

Webcam

Takes pictures and videos.
Used for video calls.
Helps in online classes.

WEBCAM


Output Devices

Output devices display to us the result of our work.

Monitor

Shows text and pictures.
Displays videos and games.
Looks like something that would be on a television screen.

MONITOR


Printer

Prints work on paper.
Provides hard copies of documents.
Prints pictures and notes.

PRINTER


Speakers

Play sound from the computer.
Help us to listen to music and videos.
Used in online classes.

SPEAKER

Headphones

Help us listen quietly.
Give a clear sound.
Useful for online learning.

HEADPHONE

Input devices pass information into the computer, and output devices display the outcome to us.

Quiz For Input And Output Devices

1. Which of these device types text into a computer?

A) Keyboard
B) Printer
C) Webcam
D) Speaker


Answer: A) Keyboard

2. Which device helps you point and click on the computer screen?

A) Keyboard
B) Mouse
C) Printer
D) Scanner

Answer: B) Mouse

3. What is the name of the device that is used to record our voice when we are in an online class?

A) Microphone
B) Scanner
C) Webcam
D) Speaker

Answer: A) Microphone

4. What does a webcam help us do?

A) Print pictures
B) Record sound
C) Take photographs and video calls.
D) Type text

Answer: C) Take photographs and video calls.

5. What among these is an output device which allows us to see the results of our work?

A) Printer
B) Monitor
C) Mouse
D) Keyboard

Answer: B) Monitor

6. What does a printer do?

A) It helps us take pictures.
B) It copies documents and images on paper.
C) It plays sound
D) It moves the mouse pointer

Answer: B) It copies documents and images on paper.

7. What gadget can you use to hear a computer’s sounds?

A) Keyboard
B) Mouse
C) Speakers
D) Webcam

Answer: C) Speakers

8. What is the headphone's use?

A) To listen to the sound quietly.
B) To take pictures.
C) To move the pointer.
D) To print documents.

Answer: A) To listen to the sound quietly.

9. Which device can we use to make copies of documents and convert them into digital files?

A) Webcam
B) Scanner
C) Keyboard
D) Speaker

Answer: B) Scanner

10. What device do you use to watch what you are drawing or writing on the screen?

A) Printer
B) Mouse
C) Monitor
D) Microphone

Answer: C) Monitor