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Let’s CatCh uP
Write the names of any four network terminologies.
1. _______________________ 2. _______________________
3. _______________________ 4. _______________________
DEVICES REQUIRED FOR A NETWORK
There are various types of devices such as Network Interface Card (NIC), Hub, Switch, Router, Modem,
Network Cable and Gateway. Let us discuss about these in detail.
Network Interface Card (NIC)
It is an expansion card which provides the network access to a computer. It allows
the computer to connect to a network through a wired or wireless medium.
Hub or Switch NIC
It is hardware device that has various boxes to which the computers,
printers and other networking devices are connected. The main function
of a hub is to direct information around the network and facilitate
Hub or Switch
communication between all the connected devices.
Router
It is a networking device used to connect and facilitate transfer of data
in the form of packets between two network. It finds best route for
data packets over the network. It is located at the gateways where two
networks connect.
Modem Router
It stands for MODULATOR–DEMODULATOR. It is a hardware device that allows a
computer to send and receive data over a telephone line. It converts data from digital
to analog and vice versa. The process of converting digital signals into analog signals is
called modulation. The process of converting analog signals into digital signals is called
Modem demodulation.
Networking Cable
Networking cable also known as Ethernet cable is a transmission medium that
allows to transport information from one computer to other place. There are
various types of networking cables such as coaxial cable, twisted pair cable
and optical fiber cable. Ethernet cable
Computer Networking 11

