HARTRON EXAM THEORY PART -19-Internet essential tools

Internet essential tools

A lot of tools are required to surf the Internet: –

computer:

Any computer can be connected to the Internet.

Programs:

Special programs are required on the Internet, most service providers offer these programs for free.(Internet tools)

Modem:

Information is exchanged between the computer and the Internet through a modem.

Telephone line:

All information of internet is available through telephone line only.(HARTRON EXAM)

Speakers:

Through the speakers, we can hear the sounds produced on computer and human sounds, music etc.

ISP (Internet service provider):

ISP is a company that provides access to the Internet, such as B.V. s. N. L, Satyam, Mantra – On-line etc.

Modem

A modem is a device that facilitates communication or regulation of computers via telephone. One can easily get access to the internet through a modem. The term modem is formed from two English words modulate and demodulate. The first term denotes a change in analog or digital signal, while the second converts analog into digital signal again. To transmit data or data etc. it is necessary to have a modem in the sending and accepting computers.(Internet tools)

Read this too:-

M.s. Excel shortcut keys

Modem types

There are two types of modem internal modem and external modem. An internal modem is a circuit board inside a computer. An external modem is a small box that is connected to the back of the computer using a wire. An internal modem is also cheaper than an external modem, but it is more difficult to set it up.(HARTRON EXAM)

Modem speed (speed):

The speed with which you send or receive information via telephone lines is also determined by the modem itself. High-speed modems exchange information quickly, thus saving you time and money and the online service charge is low. The modem speed is measured by kilo bits per second (kbps). Only modems with a speed of at least 56 kbps should be used.

M.s. Excel shortcut keys

Telephone line

Information on the Internet is transmitted through the telephone line itself. These telephone lines are similar to those used in our homes.When you access the Internet through a modem, you cannot use the telephone line for simple communication. If your telephone line and modem line are on the same line then keep the call waiting teacher closed when using the modem, otherwise the connection to the modem will be interrupted.(HARTRON EXAM)

Other connections

Apart from telephone lines, other high-speed connections can also be used to exchange information over the Internet. The only work of these fast lines is that your telephone line will not be interrupted when you are using internet. In this way you can use the phone line or fax machine methodically.(HARTRON EXAM)

ISDN:

Integrated service is a standard set for digital transmission of digital network data (ISDN) provided by telephone companies. Ice. DN The line can exchange information at speeds from 56 to 128 kbps.(HARTRON EXAM)

Cable modem:

Through a cable modem, you can connect to the Internet in the same way as you connect to a cable TV network via cable. This cable modem can transmit information at speeds up to 3000 kbps. Your local cable operator provides this facility.

D.S.L.:

A digital subscriber line (DSL) employs a large number of Dytes using very delicate techniques with twisted pair cable off digital phone line service provided by telephone companies. . DSL provides slightly faster transfer rates than lines. So it is also a bit expensive. DSL Transmits information at speeds of 1000 kbps to 6000 kbps.(Internet tools)

M.s. Excel shortcut keys