1. Hardware and Software

2. Computers components Software Hardware: Input Output Input and Output
Internal
External Or
Input
Output
Input and Output
Process
Storage
Communication
Software
System Software
Application Software

3. Hardware (External parts)

4. Hardware (internal parts)
Inside of System unit

6. System unit

7. Mather board
Main system board of the computer (also system board).

8. Mather board

9. Mather board

10. Input Output ports

12. Secondary Storage
Hard Disk Drive Major secondary-storage device for desktop/tower computers. Consists of one or more hard drive platters (hard disks) inside of an air sealed casing.

13. RAM

14. RAM Vs ROM RAM (Random Acces Memory) •Stores data temporarily.
•Current running applications.
•Higher capacity (Mbytes).
•Need a refresh not to loose data.
•Volatile (loses data when turned off).
ROM (Read Only Memory)
•Stores BIOS for ruing the system.
•No-Volatile
•Low capacity (Kbytes).

15. RAM

16. CPU

17. CPU
A CPU, or Central Processing Unit, is effectively the "brains" of the computer.
Traditionally, the term "CPU" refers to a processor, more specifically to its processing unit and control unit (CU)

18. PCI Slots
PCI cards can be connected to PCI slots placed on the mother board.
This diverse purpose cards will appear perpendicular to the main board.
Their external connectors will be accessible from the rear part in the PC tower.

19. AGP (Accelerated Graphics Port)
Graphic card output
Graphic card connected to the AGP Port
Graphic card

20. Power supply
A power supply unit (or PSU) converts mains AC to low-voltage regulated DC power for the internal components of a computer
Power supply connector on Main Board
Rear connector in a AT power supply

21. Computer Parts Types Definition & Example Input
Used to insert or supply data to the computer
Keyboard, Mouse, Scanner, microphone.
Output
Used to display data and programs from the computer
Screen, printer, speakers, projector
Input and Output
Used for both at the same time to insert and display data from and to the computer
Touch screen
Storage
Used to store programs and data
Hard disk drive, optical disk drive, RAM, ROM,DVD.
Connections
Used to connect a computer to another computers or devices
Video card, Ethernet card, Modem.
Process
Used to process data using program instructions
CPU