A computer network connects computer systems and devices through communication channels to facilitate sharing of resources and information among users. There are different types of networks including LAN, MAN, and WAN. An Internet service provider gives individuals and companies access to the internet and related services. Broadband uses a wide range of frequencies to transmit a large amount of data simultaneously and technologies include DSL, cable modem, fiber, wireless, and powerline.

2. Defination:
A computer network is a group
of computer systems and other computing
hardware devices that are linked together
through communication channels to facilitate
communication and resource-sharing among a
wide range of users.

3. Types of Network
• Local Area Network (LAN)
• Metropolitan Area Network (MAN)
• Wide Area Network (WAN)

4. Internet Service Provider(ISP)
or
Internet Access Provider (IAP)
An ISP (Internet Service Provider) is a company
that provides individuals and other companies
access to the Internet and other related
services such as web site building and virtual
hosting.

5. BROADBAND
A high-capacity transmission technique
using a wide range of frequencies, which
enables a large number of messages to be
communicated simultaneously.

6. Some broadband technologies:
Digital Subscriber Line (DSL)
Cable Modem
Fiber
Wireless
Broadband over Powerline (BPL)
Asymmetrical Symmetrical

7. Some broadband technologies:
Digital Subscriber Line (DSL)
Cable Modem
Fiber
Wireless
Broadband over Powerline (BPL)
Asymmetrical Symmetrical