3 Computer Basics: Basic Parts of a Computer

Types of Computers

• There are various types of computers, but they share similar parts for operation.

Standard Desktop Model

Computer Case

• Holds the main components of the computer.

• This is where processing occurs.

• Most cases are tower cases, but they can come in different shapes and sizes.

Monitor

• Displays images, text, and other content.

• Uses the video processor located inside the computer case.

• Most have LCD or LED displays that are thin and space-efficient.

• All-in-one models combine the monitor and computer case into a single unit, increasing compactness.

Input Devices

Keyboard

• Enables user interaction with the computer.

• Available in various styles, including wireless and ergonomic models.

Mouse

• Controls the mouse pointer on the screen, allowing for clicking and interaction.

• Most detect movement with an optical sensor, featuring a small electronic eye on the bottom.

Laptops

• Integrate all component functions into a single device.

• Contains components typically found in the computer case, along with a built-in screen, keyboard, and touchpad.

Touchpad

• Replaces a traditional mouse with a touch-sensitive area.

• Users control the mouse pointer through finger motions.

Portability

• Laptops offer great portability with built-in batteries, allowing use on the go.

• They can also be connected to external monitors, keyboards, and mice to function like a desktop.

Summary

• Each part of a computer setup plays a critical role in operation.

• Understanding these components is essential as you engage with your computer.