6 Questions
What is a peripheral or peripheral device?
An ancillary device used to put information into and get information out of the computer
How many categories of peripheral devices exist based on their relationship with the computer?
3
What is an example of an input peripheral?
Keyboard
What type of peripheral device provides output from the computer?
Projector
What is an example of an input/output peripheral device?
USB flash drive
What are computer peripherals also called?
I/O devices
Study Notes
Computer Peripherals
- A peripheral device is an ancillary device used to input and output information from a computer.
- There are three categories of peripheral devices based on their relationship with the computer:
Input Devices
- Input devices send data or instructions to the computer, examples include:
- Mouse
- Keyboard
- Graphics tablet
- Image scanner
- Barcode reader
- Game controller
- Light pen
- Light gun
- Microphone
- Digital camera
- Webcam
- Dance pad
- Read-only memory
Output Devices
- Output devices provide output from the computer, examples include:
- Computer monitor
- Projector
- Printer
- Headphones
- Computer speaker
Input/Output Devices
- Input/output devices perform both input and output functions, examples include:
- Computer data storage devices
- Disk drive
- USB flash drive
- Memory card
- Tape drive
Other Peripherals
- Modern electronic devices, such as:
- Internet capable digital watches
- Smartphones
- Tablet computers
- Can be used as computer peripheral devices
- Some peripherals, such as external hard drives, provide both input and output for the computer
- Computer peripherals are sometimes called "I/O devices" because they provide input and output for the computer
Learn about the different types of peripheral devices, their functions, and how they interact with computers.
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