Identifying and functions of various computer components

1. Parts of a Computer
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2. Task 1
You will be tested on:
* being able to name parts of the computer
* being able to identify parts of the computer
* knowing what type of device they are
* knowing what their job is
* knowing what other components they link to

3. Central Processing Unit
Function: Carries out instructions of the computer system.
The brain of the computer

4. Motherboard
Function: The central circuit board of the computer.
Everything plugs into it and it relays information
between everything.

5. Keyboard
Function: To enter data into the computer

6. Connection to a network
or the internet
Function: To transfer data from the network or internet
to the computer and/or back again.

7. Display Monitor
Function: Outputs data in human readable form
onto a screen

8. Disk Drive
Function: To store data

9. Random Access Memory
RAM
Function: The main memory within a computer.
It holds active information such as
data and programs that can be written
over and changed

10. Read Only Memory
ROM
Function: This is Read Only memory. It can not be
changed.
For example, it stores instructions on starting up
the computer and stores the programmes such as
Microsoft Office and Photoshop, etc.

11. Printer
Function: Prints the output data onto paper (hard copy)

12. Digital Camera
Function: Captures data and stores it in digital form

13. Scanner
Function: Converts a picture into digital form so the
computer can process it

14. Modem
Function: A modem allows a computer to talk to other
computers through the phone system

15. Mouse
Function: Input data by:
* moving the mouse which moves the cursor
* clicking buttons

16. Types of Devices
Input - An input device is a piece of hardware used to
input information/data into the computer.
Storage - Storage devices hold information. They
operate just like a filing cabinet
Output - Outputed information can be displayed as
screen information, printed on paper, or
outputed as sound.
Processing - main function is to process instructions,
manage the flow of information through
the computer system, and perform
calculations.
Data Transfer - Any cable that transfers information
between computers, storage, internet, etc.
Return to Task 1