A computer is an electronic machine that can input, store, process, and output data. It consists of both hardware and software. Computer hardware refers to the physical and tangible parts of a computer like the motherboard, CPU, RAM, power supply, drives, and input/output devices. Hardware is further divided into internal components like the CPU and RAM, and external components like the monitor, keyboard, and printer.

1. Computer
Is an electronic/programmable machine
which input, store and processing data for
output.

2. 

Computer Hardware
Computer Software
Computer Hardware
is the physical components that make up a
computer system. These parties can be seen
and touchable.


3. Computer Hardware divided into two categories
 Internal Hardware
such as
•
Motherboard
• Central Processing Unit (CPU)
• Random Access Memory (RAM)
• Power Supply
• Video Card
• Hard Drive (HDD)
• Solid-State Drive (SSD)
• Optical Drive (e.g. BD/DVD/CD drive)
• Card Reader (SD/SDHC, CF, etc.)

4. 
•
•
•
•
•
•
External Hardware
such as
Monitor
Keyboard
Mouse
Battery Backup (UPS)
Printer
Speakers