- PC system can be classified into two categories.
- Classified by computer Device and computer program is hardware and software.
- Hardwere Can be divided into 3 type.
1.CPU is The Brain of the computer
2.Main Memmory Units is containing data and commands for the computer -
can be divided into two categories.
- RAM (Random Access Memory) A type of memory read / write down information at any time.
- ROM (Read-only Memory) Is a permanent memory. We can rewrite or delete programs.
3.Peripheral is Physical units attached to the computer can be divided into three categories.
- Input devices can be divided into various devices include.
- Keybaord
- Mouse
- Microphone
- Web Camera
- Scanner
- Output devices can be divided into various devices include.
- Monitor
- Printer
- Speaker
- Headphone
- Storage can be divided into various devices include.
- DVD Drive
- Flashdrive
-Softwere is The algorithm or program used to run the computer work.
- Operating System e.g. Windows, Mac OSX, LINUX, DOS
- Utility Program e.g. McAfee Virus Scan, WinZip
- Package Software e.g. Chorme web browser, Adobe Photoshop,MicrosoftWord