The document discusses the basic components of a computer including the keyboard and mouse as input devices, the monitor as the output display, and the system unit which houses the internal computer components and processes data according to programmed instructions. It notes that keyboards are used to input data and instructions, mice are pointing devices with buttons, monitors visually output processed results, and the system unit collectively refers to the parts inside the computer case.

1. Online class
Class 5
Prepared by:
Jeevan Subedi

2. Computer
• A computer is an electronic machine, that accepts the input
data, processes the given data according to the predefined set
of instructions, gives the result and stores the result for future
use.

5. keyboard
• Keyboard is a basic part of computer used as an input device.
It is used to input data and instructions into the computer.

7. Mouse
• Mouse is also an input device of the computer. It is
also called the pointing device.
• Mouse is a palm sized input device that consists of
two or more buttons at its top.

10. Monitor
• Monitor is a basic part of computer also called the
Visual Display Unit (VDU). It is a basic output device
of the computer. It shows the processed result (called
output) of the computer

11. System Unit
• The system unit is also called computer case or CPU
tower. The parts of computer, which are inside the
computer case, are collectively known as system unit.