The main parts of a typical computer system are shown above
Most computers are made up of the following components:
Case
Power supply unit
Microprocessor (CPU)
Memory
Motherboard
Hard disk drive
Floppy disk drive
DVD-ROM/CD-RW Drive
DVD-R/W Drive
Keyboard
Mouse
Monitor
Sound Card
Video Card
Speakers
Printer
Modem
Ethernet Port (NIC)
The case houses all the computer components. The two most commonly used case designs are the desktop and the tower. Click here to view my Cheap Computer Case Guide.
Computers that are for personal use come in all different shapes and sizes. Among them are the:
Tower - Designed with a vertical case and has more space than the desktop to be able to install additional hardware.
Desktop - Designed to sit on a desk horizontally.
Workstation - Networked to other computers and has more speed, memory and storage capabilities than a desktop. Can also be a stand-alone computer.
Notebook/Laptop - Portable computer that has the same capabilities as a desktop but is small enough to be taken from one place to another.
Tablet - Uses an electronic stylus to write on the screen.
PDA - Personal Digital Assistant. Small personal computer with limited capabilities.
A Personal computer (PC) is for a single-user and is generally used for word processing, spreadsheets, applications, desktop publishing, multimedia and management of databases.
The two most popular computers are the IBM-compatible PC and the Macintosh.
Conclusion ....
We all need the computer - regardless of our age! It has definitely become an integral part of our daily lives.
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