Services Of Internet

SERVICES PROVIDED BY INTERNET

Important services provided by internet are as the following:

1. THE WORLD WIDE WEB

This is also called web or www or 3w. The collection of all web pages in all web sites on Internet is called www. These web pages provide us information in the form of text, pictures, audio and video formats etc.

2. E-MAIL

E-mail stands for electronic mail. It is the most popular, cheap, easy and fastest mailing service. We can send and receive messages on internet with in seconds or minutes.

3. EMAIL DISCUSSION GROUPS

These are used to discuss different topics with other people by email.

4. NEWSGROUPS

Newsgroups are discussion groups on internet. They are used for free exchange of information. A user sends a message to the news group site. Other users read this message from this site and reply. Newsgroups are provided by special computers called news servers.

5. ECOMMERCE

It stands for Electronic Commerce. E-commerce means to carry out business dealings by internet. Examples of Ecommerce include:
Online Banking, Online shopping and online education etc.

6. FTP

FTP stands for file transfer protocol. It is used to transfer files on internet easily and quickly. Audio, video, graphics and data files can be uploaded and downloaded using FTP.

7. TELNET

This program is used to access a remote computer on internet. You can access data and files from connected computer by Telnet. Telnet may also provide you a user interface on screen. You will give commands to remote computer by this user interface.

8. CHAT

It is the most popular services by which two or more users can live chat with each other. We can chat by text or audio or video. Voice chat is just like talking on telephone. Messenger software like Yahoo messenger or MSN messenger is used for chatting.

9. GOPHER

A gopher on the Internet is a system for users to search for files via menus or directory structures. It uses plain English names and is text based only.

Comments

Explain different types of storage devices

Topic: Explain different types of storage devices in Computer systems Storage Devices Storage devices are used to store data and instructions permanently. Storage devices are also called secondary storage devices / backing storage devices / external storage devices or auxiliary storage devices. Examples of storage devices include Hard Disk, CD and DVD etc. Why Secondary Storage Devices are Used? Secondary storage devices are used because: Primary memory(RAM) is volatile and temporary. When computer is switched off, all data in ram is erased. Storage devices can store large amounts of data and instructions permanently whereas Primary memory has less capacity of storing data. Types Of Storage Devices There are three main types of storage devices: Magnetic Tape Magnetic Disk Optical Disk Flash Memory storage devices 1. Magnetic Tape Magnetic tape is the oldest storage device. It is made of plastic coated with m...

What is Computer

Topic: What is Computer Definition of Computer Computer is an electronic machine that takes data and instructions, processes data according to the given instructions, produces results and stores them for later use. What is a computer - Define computer - Computer Definition A computer is an electronic machine that can: Accept input, Process input, Produce output: Accept input. Note that, Input could be entered by a human through a keyboard, or received over a network, or provided automatically by sensors attached to the computer. Execute a set of instructions to process the input data. Produce output. Output could be data displayed to a human in the form of soft copy output or hard copy output, but it could also be anything that effects the world outside the computer such as electrical signals that control how a device operates. Today, computers are being used in every field of life. It can be used for different tasks. It is used for data processi...

Electricity Bill Calculator Formulas in Excel

Today, we will discuss How to create an Electricity Bill Calculator Worksheet by using Electricity Bill Calculator Formulas in Excel . The following formulas will be used in Electricity Bill Calculator Worksheet: Q: Prepare a worksheet according to the following instructions: Create a worksheet in MS Excel according to the requirements Enter sample data of Electricity units consumed by customers in a city Apply formula to calculate Units Consumed Apply formula to calculate Electricity Charges Apply formula to calculate Surcharge Apply formula to calculate Bill Payable Note: Every formula will start from = Units Consumed Formula=D5-C5 Electricity Charges Formula=IF(E5>200, E5*15,IF(E5>100, 1000+(E5-100)*12, E5*10)) SURCHARGE FORMULA = IF(F5>5000, F5*5%,IF(F5>1000, F5*3%, 0)) BILL PAYABLE FORMULA = SUM(F5:G5) Download Excel Electricity Bill Calculation Worksheet Free Image for Electricity Bill Calculator Formulas ...

Perfect Computer Notes

Search This Blog