Computer hardware refers to the physical components of a computer system that you can see and touch. This includes essential parts like the central processing unit (CPU), memory (RAM), storage devices (hard drives or SSDs), motherboard, power supply, and input/output devices such as keyboards, mice, and monitors. Hardware works together to run software and perform computing tasks.
1. Introduction to Computer Hardware
- What is hardware?
- Difference between hardware and software
2. Central Processing Unit (CPU)
- Function of the CPU
- Components: ALU, CU, Registers
- Clock speed and cores
3. Motherboard
- Main circuit board of the computer
- Slots and ports (RAM slots, CPU socket, expansion slots)
4. Memory (RAM and ROM)
- RAM (Random Access Memory): Temporary memory
- ROM (Read-Only Memory): Permanent memory
5. Storage Devices
- Hard Disk Drive (HDD)
- Solid State Drive (SSD)
- Optical drives (CD/DVD)
- External storage (USB, external HDDs)
6. Input Devices
- Keyboard, mouse, scanner, webcam, etc.
7. Output Devices
- Monitor, printer, speakers, etc.
8. Power Supply Unit (PSU)
- Converts electrical power for the computer
- Different wattage and connector types
9. Expansion Cards
- Graphics card (GPU)
- Sound card
- Network Interface Card (NIC)
10. Ports and Connectors
- USB, HDMI, Ethernet, VGA, audio jacks
11. Cooling Systems
- Fans, heat sinks, liquid cooling
- Importance of keeping hardware cool
12. Peripherals and Accessories
- External devices that connect to the computer