Page 16 - Computer - 3

Internal Hardware Memory

Internal hardware refers to parts of Power Supply
the computer that are fixed inside the CPU

computer cabinet. This includes the
central processing unit (CPU), power Video Card
supply, memory chips, disk drives, and

circuit boards.

Hard Drive
Input Devices Motherboard
The devices that are used to enter data

and instructions into a computer are called Internal hardware
Input devices, for example, keyboard, mouse, joystick, scanner, web camera, bar
code reader, microphone, etc. Let us learn about the different input devices.

Keyboard
Keyboard is an input device that allows the user to type words, numbers, and other

special characters. A standard keyboard consists of 104 keys that are pressed to
provide data and instructions to the computer. Keyboards can be of different types,

such as multimedia keyboard, gaming keyboard, and ergonomic keyboard.

Multimedia keyboard Gaming keyboard Ergonomic keyboard

Mouse

Mouse is an input device used to point at and select objects on
the computer screen. It can be used to select menu options,

draw pictures, start programs, play games, etc. Mouse can be
wired or wireless. Mouse

Knowledge Discovery Subject Enrichment

Wireless keyboard and mouse connect to the computer
without any wires. They use a connector that uses radio

waves to connect the devices to the computer.

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