Components of a computer system PowerPoint

1. Basic Components of a
Computer Network
By
Edison Francis BSc
IT Teacher
St David’s Catholic Secondary School, Grenada

2. Network Components

3. Functions of Network Components
 Network Interface Connection [NIC]
A network card that formats, send and receive the data at
the receiving node or device.

4. Functions of Network Components…
 Hub
A device that connects all the computer in a network to
each other.

5. Functions of Network Components…
 Switch
It is like a hub, however, instead of broadcasting incoming
data request, it uses the physical device address in the
incoming request to transfer the request to correct server
computer.

6. Functions of Network Components…
 Server: A computer that runs operating system and
hold data that is shared over a computer network.
A file server is a high-performance computer
containing large capacity hard disk drives that
are available to all network users
It is not used as a normal computer terminal
but manages and shares files.
Printer server is a computer dedicated to
managing all printers on the network.

7. Functions of Network Components…
 Client: a computer that is connected to a network.
It can send data and receive data sent by other computers on
the network.

8. Functions of Network Components…
 Modem: Modulator/demodulator.
It is a device normally provided by the Internet
Service Provider (ISP) to grant access to the Internet.
It converts analogue and digital signals between your
landline and the Internet.

9. Functions of Network Components…
Router:
A device that directs data from the modem and sends
it to the different devices including computers,
laptops, games consoles, digital televisions and
mobile devices that are connected to it.
These devices may be connected directly to the router
wirelessly or through cables.

10. Functions of Network Components…
 Cables:
wires used to connect more than one computers or other
devices such as printers and scanner to each other.
Twisted pair Coaxial Fibre optic

11. END