The document provides an introduction to computer hardware, detailing its different categories including input, output, storage, processing, and networking hardware. It defines each category and lists key devices such as keyboards, printers, and hard drives, along with their functions. The document also includes personal information of the author.

1. Grade 10
Computer
Introduction to computer hardware

2. COMPUTER HARDWARE
What is computer hardware?
■All physical parts of computer that can be seen and touched.

3. COMPUTER HARDWARE DEVICES
 Input hardware
 Output hardware
 Storage hardware
 Networking hardware
 Processing hardware

4. INPUT HARDWARE
What is input hardware?
►This are devices that are used to input/enter data into the computer.
Input hardware devices and their pictures:

5. INPUT DEVICES
 Keyboard :is the main device of a computer.
 Mouse :it allows the user to move the cursor on the display screen.
 Microphone :it enable the user to input audio into a computer.
 Webcam :is an input device that is able to capture images and video and input
them into a computer.
 Bar code reader :it is a device used for reading bar corded data.
 Joystick :It is used to move the cursor position on a monitor screen.
 Scanner :it is a device that analyze images , sprinted text , etc…

6. OUTPUT HARDWARE
What is output hardware?
►This is any piece of computer hardware used to communicate the results of internal
computer processing to the outside world.
Output devices and their pictures:

7. OUTPUT DEVICES
 Printer :is a device that accepts text and graphic output from a computer and
transfers the information to paper.
 Projector :it receives video ,picturs and text output from a computer and project it
on a large projection screen like smartboard or a flat wall.
 Monitor :it is used for visual display ,e.g video ,pictures and text.
 Speakers :it is used for voice output.

8. STORAGE HARDWARE
What is storage hardware?
 They are used to store ,write , read and retrieve data/information.
Storage hardware can be categorized as follows:
►Storage media:
•Removable storage medium
•Non-removable storage medium
•Primary storage media
•Secondary storage media
►Storage device

9. STORAGE MEDIA
What is storage media?
►Are the materials on which data are written and stored.
•Removable storage media : CD,DVD,USB flash , flopphy disk
•Non-removable storage media :Hard disk,solid-state-drive
•Primary storage media :data in these media can be erased and new data be written
again in the same media . Examples: USB flash , memory card , hard drive etc..
•Secondary storage media :data in these media can not be erased . They are used to
store data permanently. Examples : CD-ROM,DVD-ROM , floppy disk etc…

10. PROCESSING HARDWARE
 Are devices that manipulate data , carry out calculations, store and retrieve data.
Processing devices are :
►Data buses
►Chipset
►Central Processing Unit
►Motherboard
►Registers
ETC….

11. NETWORKING HARDWARE
 They are used to build or install computer network.
Networking devices are:

12. MY PERSONAL INFORMATION
 NAME: ’Malillo Makhetha
 Email Address : malillomakhetha90@gmail.com
 Facebook Account : https://www.facebook.com/mampe.lekhina