HARDWARE GROUPS
- Input and Output
- Storage
- Internal and External
The below table shows different groups/categories of computer hardware and their examples:
Note:
- Input devices: - Computer hardware devices used to enter/input data in the computer.
- Output devices: - Computer hardware devices used show/display data or information on the computer.
- Internal devices: - Computer hardware devices that are found inside the computer box/computer case.
- External devices: Computer hardware devices that are found outside the computer box. these are also known as peripheral devices.
- Storage devices: - Computer hardware devices used to keep data or information. some keep data permanent and some temporal.
Now let us look at some functions of different examples of computer hardware:
- Monitor: - To see what is being typed / what is happening on the computer.
- Computer Box (Computer case):- To keep/protect the internal hardware parts of the computer.
- Keyboard : - For typing / entering data.
- Mouse:- To select icons/items on the computer.
- Printer: - To print out / produce a hard copy from the computer. NOTE; the document inside a computer is called a “Soft copy”.
- Scanner: - to enter information from products/items using the barcode.
- Projector: - To produce / project images or documents from the computer for presentation.
- Network Interface Card (NIC):- To provide connection to the internet.
- Sound Card: - To produce music from the computer.
- Graphics Card:- To produce pictures and videos.
- Motherboard:- To supply power to the internal hardware devices of the computer.
- Hard Disk Drive (HDD): - To keep data or information in the computer.
- Central Pressing Unit (CPU): - This is the brain of the computer. It processes data or information on the computer.
