Other Common Devices
A computer can work with many different devices. Besides the monitor, keyboard, mouse, speakers and printer, other devices can also be connected to a computer for different purposes.
Some devices help us enter information, some help us store information and others help us connect or interact with a computer.
Learning Objectives
- Recognise some other common computer devices.
- Understand the basic purpose of different devices.
- Identify devices used for input, storage or other computer tasks.
- Understand that not every computer setup has the same devices.
Webcam
A webcam is a camera that can be used with a computer. It can capture pictures or video and is often used for video communication.
A webcam can capture images and video for computer use.
Microphone
A microphone is an input device that allows a computer to receive sound. It can be used to record a voice or communicate through supported applications.
A microphone helps enter sound into a computer.
Headphones
Headphones are used to listen to sound from a computer. They can allow one person to listen without using external speakers.
Headphones provide another way to hear computer audio.
Storage Devices
Some devices are used to store or carry digital information. A USB flash drive is one example of a storage device.
Storage devices can be used to keep or transfer digital information.
Different Devices, Different Jobs
Computer devices are designed for different purposes. A webcam captures video, a microphone receives sound, headphones provide audio output and a storage device can store information.
Not every computer needs every device. The devices used depend on what a person needs to do.
Common Mistakes
- Do not think that every computer has the same devices.
- Do not confuse a microphone with speakers.
- Remember that a webcam captures images or video.
- Do not remove storage devices without following the proper steps.
- Ask an adult before connecting or removing unfamiliar devices.
Practice
1. What is a webcam used for?
2. What does a microphone receive?
3. What are headphones used for?
4. Name one storage device.
5. Do all computers need the same devices?
Try It Yourself
With an adult, look at a computer or laptop and identify any devices connected to it. Try to explain what each device is used for.
Quick Revision
- A webcam can capture pictures and video.
- A microphone can receive sound.
- Headphones allow us to hear computer sound.
- Storage devices can store or carry digital information.
- Different devices perform different jobs.
Next Step
You have now learned about several common computer parts and devices. The next chapter will teach you how to use a computer mouse, including moving the pointer, clicking and dragging.