4. Computer Hardware and Software
Computer Hardware
Computer hardware refers to all the physical and tangible components of a computer system that can be seen and touched.
| Hardware Component | Purpose |
|---|---|
| Input Devices | Used to enter data and instructions |
| Output Devices | Used to display results |
| CPU | Processes data and controls operations |
| Memory | Stores data and instructions |
| Storage Devices | Stores data permanently |
Examples of Hardware
- Keyboard
- Mouse
- Monitor
- CPU Cabinet
- Printer
- Hard Disk
Computer Software
Computer software is a collection of programs and instructions that guide the computer hardware to perform specific tasks. Software cannot be seen or touched.
Types of Software
| Type | Description |
|---|---|
| System Software | Controls and manages computer hardware |
| Application Software | Helps users perform specific tasks |
System Software
System software acts as an interface between the user, application software, and computer hardware.
- Operating System
- Device Drivers
- Utility Programs
Application Software
Application software is designed to perform specific user-oriented tasks.
- Word processing software
- Spreadsheet software
- Presentation software
- Web browsers
Difference Between Hardware and Software
| Hardware | Software |
|---|---|
| Physical components | Programs and instructions |
| Can be seen and touched | Cannot be seen or touched |
| Manufactured | Developed or programmed |
| Example: Keyboard | Example: Operating System |
Computer hardware and software work together to form a complete computer system. Hardware performs physical operations, while software provides the logic and instructions. A clear understanding of both is essential for learning computer fundamentals, programming, and artificial intelligence.