Access2 parts of a computer system

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A computer system is made up of hardware and software. The main hardware components include the monitor for output, the processor (CPU) for processing data, the keyboard and mouse for input, and storage devices like floppy disks and CD-ROMs. Additional input devices can include scanners, joysticks, and trackballs. Common output devices are printers for printing documents and pictures. The software includes the operating system and programs that make the hardware components work together.

Parts of a Computer System
This presentation will take you through the main parts of a
computer system.
Click the mouse pointer on each picture to discover its name a
find out a little about it.

The System Info.
A Computer System
A computer system is made up of many parts. We call the
bits you can see, the HARDWARE. The instructions which
make it work we call SOFTWARE. In the following slides
you will see the main hardware which makes up a modern,
desktop computer system.

Monitor Info.Monitor
The most common type of OUTPUT DEVICE, a monitor
lets you see what the computer is up to, which makes giving
it instructions MUCH easier!
This is a Monitor

Processor Info.
This is the PROCESSOR
Also known as the C.P.U. (Central Processing Unit) but better
known as a COMPUTER to most people. This is where the
data you enter into the computer is put to work to produce the
desired result (Games, Text, Music, etc.).

Keyboard Info.
One of the two most common type of INPUT DEVICE, the
keyboard allows you to put data into the computer.
Keyboard
This is the KEYBOARD

Mouse Info.
This is the MOUSE
The other very common type of INPUT DEVICE, a mouse
lets you tell the computer what you want it to do. The most
common mouse functions are POINTING, CLICKING
AND DRAGGING.

Other ‘Mice’ Info.
Other ‘mice’
Most mice are joined to the computer by a cord but there is a
CORDLESS variant which uses batteries to power a radio
link. Some mice are lazy and lie on their backs! We call
them TRACKERBALLS.

Joystick Info.
Joystick
Yet another INPUT DEVICE, a joystick is used to send
information to the computer. It is basically a mouse which
controls the movement of the pointer. Because it is easy to
use, it is popular with players of computer games but it also
allows some people to control the pointer much more easily.

Scanner Info.
Scanner
Another INPUT DEVICE, a scanner is used to copy
documents or pictures by changing the image into a form of
data which can be sent to a computer and stored in
electronic form.

Printer Info.
This is a Laser Printer
The most common OUTPUT DEVICE, a printer makes
hard copies (i.e. paper copies rather than electronic ones) of
your documents, pictures or photographs. There are several
types of printer. Laser printers use a low-powered laser
beam to melt toner powder onto the page.

3.5” Disc Info.
3.5” Floppy Disc
This is a STORAGE DEVICE. Floppy discs were one of
the first ways of storing electronic data. Their big
advantage is that they are portable and can be carried from
one computer to another. Their disadvantage is their small
storage capacity which means that they are now an
endangered species which will shortly become extinct!

C.D.ROM Info.
C.D.ROM
Another, and much more modern STORAGE DEVICE.
C.D.ROM’s (stands for Compact Disc – Read Only
Memory) are used for storing electronic data. Each
C.D.ROM can carry over 600 times as much data as a
FLOPPY DISC. This makes them excellent for storing
music, photographs and video footage which need LOTS of
electronic ‘space’.

C.D.ROM Drive Info.
C.D.ROM Drives
This device is usually built into the case of a computer
system. It allows the computer to access the data stored on a
C.D.ROM. It is very similar to a Floppy Disc Drive but
spins (and accesses data) MUCH more quickly.

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Access2 parts of a computer system

1. Parts of a Computer System This presentation will take you through the main parts of a computer system. Click the mouse pointer on each picture to discover its name a find out a little about it.

2. The System

3. The System Info. A Computer System A computer system is made up of many parts. We call the bits you can see, the HARDWARE. The instructions which make it work we call SOFTWARE. In the following slides you will see the main hardware which makes up a modern, desktop computer system.

4. Monitor

5. Monitor Info.Monitor The most common type of OUTPUT DEVICE, a monitor lets you see what the computer is up to, which makes giving it instructions MUCH easier! This is a Monitor

6. Processor (Computer)

7. Processor Info. This is the PROCESSOR Also known as the C.P.U. (Central Processing Unit) but better known as a COMPUTER to most people. This is where the data you enter into the computer is put to work to produce the desired result (Games, Text, Music, etc.).

8. Keyboard

9. Keyboard Info. One of the two most common type of INPUT DEVICE, the keyboard allows you to put data into the computer. Keyboard This is the KEYBOARD

10. Mouse

11. Mouse Info. This is the MOUSE The other very common type of INPUT DEVICE, a mouse lets you tell the computer what you want it to do. The most common mouse functions are POINTING, CLICKING AND DRAGGING.

12. Other ‘Mice’

13. Other ‘Mice’ Info. Other ‘mice’ Most mice are joined to the computer by a cord but there is a CORDLESS variant which uses batteries to power a radio link. Some mice are lazy and lie on their backs! We call them TRACKERBALLS.

14. Joystick

15. Joystick Info. Joystick Yet another INPUT DEVICE, a joystick is used to send information to the computer. It is basically a mouse which controls the movement of the pointer. Because it is easy to use, it is popular with players of computer games but it also allows some people to control the pointer much more easily.

16. Scanner

17. Scanner Info. Scanner Another INPUT DEVICE, a scanner is used to copy documents or pictures by changing the image into a form of data which can be sent to a computer and stored in electronic form.

18. Printer

19. Printer Info. This is a Laser Printer The most common OUTPUT DEVICE, a printer makes hard copies (i.e. paper copies rather than electronic ones) of your documents, pictures or photographs. There are several types of printer. Laser printers use a low-powered laser beam to melt toner powder onto the page.

20. 3.5” Floppy Disc

21. 3.5” Disc Info. 3.5” Floppy Disc This is a STORAGE DEVICE. Floppy discs were one of the first ways of storing electronic data. Their big advantage is that they are portable and can be carried from one computer to another. Their disadvantage is their small storage capacity which means that they are now an endangered species which will shortly become extinct!

22. C.D.ROM

23. C.D.ROM Info. C.D.ROM Another, and much more modern STORAGE DEVICE. C.D.ROM’s (stands for Compact Disc – Read Only Memory) are used for storing electronic data. Each C.D.ROM can carry over 600 times as much data as a FLOPPY DISC. This makes them excellent for storing music, photographs and video footage which need LOTS of electronic ‘space’.

24. C.D.ROM Drive

25. C.D.ROM Drive Info. C.D.ROM Drives This device is usually built into the case of a computer system. It allows the computer to access the data stored on a C.D.ROM. It is very similar to a Floppy Disc Drive but spins (and accesses data) MUCH more quickly.

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