Computer Network Basics

The basic components of a computer network are message, sender, receiver, transmission medium, and protocol.

The purpose of a computer network is to enable the sharing of resources and files, as well as facilitate communication between devices.

Communication channels are the links connecting the nodes in a computer network through which data is transmitted.

<p>A computer network connection can be established using either cable or wireless media.</p> Signup and view all the answers

<p>Protocol is a group of rules committed by both sender and receiver, ensuring proper communication between devices in a network.</p> Signup and view all the answers

<p>Dial-up access involves a modem connecting to the Internet by dialing a phone number. The analog signal is converted to digital and sent over a land-line, with speeds ranging from 28K to 56K. However, the connection quality can be poor due to interference, and the phone line cannot be used for calls simultaneously.</p> Signup and view all the answers

<p>The different types of internet connections mentioned are dial-up, DSL (Digital Subscriber Line), cable modems, fiber, wireless, satellite, and cellular. Each type uses different hardware and has a range of connection speeds.</p> Signup and view all the answers

<p>Faster internet connections are needed to handle technological changes, such as increased data usage, higher quality media streaming, and more advanced online applications.</p> Signup and view all the answers

<p>Most methods mentioned require a subscription with an Internet service provider (ISP).</p> Signup and view all the answers

<p>Dial-up internet has limitations such as slow speeds (28K to 56K), poor connection quality due to interference, and the inability to use the phone line for calls while connected to the internet.</p> Signup and view all the answers