A computer is an electronic device that executes instructions from stored computer programs. There are two main types of software: system software like the operating system that manages the computer system, and application software for specific tasks like games and word processing. System software includes the operating system, which allows users to communicate with the computer and manages other programs and devices, helping to maintain the computer system.

1. Computer Software Rita Ester

2. What is a Computer ? Electronic device Executes the instructions of a computer program stored in it‘s own memory

3. Computer Program Tells your computer what to do stored as a file in bits and bytes, Software = Computer Programs

4. Software System Software Application Software COMPUTER HARDWARE OPERATING SYSTEM APPLICATION SOFTWARE

5. System Software Programs that helps managing the computer system, helps maintaining the computer system, Examples: Operating System, Disk Defragmenter, Disk Cleanup .

6. Operating System Program that allows the user to communicate with the computer, manages input and output devices of a computer system manages all programs in a computer, … Examples: Windows XP, Linux.

7. Application Software Program for a specific task like Text processing, E-Mail, Games Example: MS Word.