About Lesson
Computers
A computer is a programmable machine that can perform tasks for the user. For example, a user can use the computer to send an email, shop online on an e-commerce website, play a computer game, etc.
Computer Components
- Computer Monitor
- System Unit
- Keyboard
- Mouse
- Printer
- Speaker
- Modem
Block Diagram
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The two major computer components are as follows:
- Hardware
- Software
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Hardware
Computer hardware is the physical devices of the computer, such as a monitor, keyboard, mouse, and printer.
Software
Software refers to computer programs. A computer program is a set of instructions that the computer executes to perform the task.