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.

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

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

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

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

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.

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

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

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

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