1.1.3.1 Input, Output and Storage Devices

Question 1

What are Input Devices?

Answer 1

• Peripheral devices that allow the user to communicate and to pass readable data into a computer, decode it and send it to the CPU.

Question 2

What are some examples of Input Devices?

Answer 2

• Keyboard:
  Used to enter text into a computer
• Webcam:
  A camera used by a computer to take photos and record videos
• Magnetic stripe reader:
  Used to read data from magnetic stripes on cards like credit and debit cards
• Barcode reader:
  Used in supermarket checkouts and access control systems to read information from printed labels and cards

Question 3

What are Output Devices?

Answer 3

• Peripheral devices that take convert signals from a computer into a human-readable form.

Question 4

What are some examples of Output Devices?

Answer 4

• Speakers:
  Used to output sound from a computer
• Printers:
  Used to output information from a computer onto paper
• Projector:
  Used to project video content from a computer onto a screen

Question 5

What is both an input and output device?

Answer 5

• A small number of devices can be categorized as both input and output devices.
• For example, a touch screen outputs information in a visual way like a monitor, while acting as a device for touch input.