Page 354 - IT 402 v2.0 class 10
P. 354
Gateway
It is a device that oins two networks of different protocols.
Gateways serve as the entry and exit point of a network; all data that are routed inward or outward from a
network must first pass through the gateway in order to route it to destination of data. router can also be
considered as a gateway, since it interprets data from one network protocol to another. Generally, a router is
configured to work as a gateway device in computer networks.
Hyperlink
yperlinks enable to link one page on net with other web pages. It is represented by text image etc. which
when clicked by the user opens other web page. link to a different section of the same web page is known
as ‘Named Anchor’.
Bandwidth
Bandwidth refers to the speed of transfer of data over a network. It represents the capacity of a network for
supporting data transfers. In system, bandwidth is typically expressed in bits per second like 100 Mbps or 100
Mb/s. In many devices, the capacity of bandwidth is represented in minimum speed and maximum speed of
data transfer.
INTERNET CONNECTIVITY OPTIONS
here are many ways a device can connect to the Internet. hey all use different hardware and each has a
range of connection speed. As technology changes, faster Internet connections are needed to handle those
changes. Internet connections can be categorised into wired and wireless:
Wired Wireless
Dial-up Connection Mobile echnology 5
S roadband onnection Wi-Fi
eased ine WiMax
Cable Internet Satellite
352 Touchpad Information Technology-X

