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by E-Computer Concepts 10 months ago

What is Cookies?

Web Browser and Servers use HTTP protocol to communicate and HTTP is a stateless protocol. But for a commercial website, it is required to maintain session information among different pages. For example, one user registration ends...

by E-Computer Concepts 10 months ago

What is Internet Browser?

A browser is a piece of software that acts as an interface between the user and the Internet. Browsers are also referred to as web clients, or universal clients, because in the client/server model, the browser functions as the client...

by E-Computer Concepts 11 months ago

Data Transmission Speed

Bandwidth of a communication system refers to its data transfer rate (amount of data that it can transfer per unit of time). It is analogous to a road’s width. Wider a road, the more traffic it can handle in a given time, Similarly,...

by E-Computer Concepts 11 months ago

Modulation Techniques

Three forms of modulation are amplitude, frequency, and phase. Amplitude Modulation (AM) Amplitude modulation represents two binary values (0 and 1) of digital data by two different amplitudes of the carrier signal, keeping frequency...

by E-Computer Concepts 11 months ago

What is Modem?

Communication system use a special device called modem (modulator/demodulator) to perform modulation and demodulation. Convert Digital Signal to Analog Signal and vice versa ...

by E-Computer Concepts 11 months ago

Distributed Computing System

A distributed computing system is a configuration, which consists of many independent computer systems interconnected by a communication network, and in which co-operating computer systems exchange messages, processing tasks, programs,...

by E-Computer Concepts 11 months ago

Network Interface Card (NIC)

Network interface card, often referred to as NIC or network card, is a hardware device that connects a computer to a network, both functionally and physically. It is a printed circuit board (PCB), which connects to one of the expansion...

by E-Computer Concepts 11 months ago

What is Protocols?

A protocol is a set of formal operating rules, procedures, or conventions that govern a given process. A communication or network protocol, therefore, describes rules that govern transmission of data over communication networks. These...

by E-Computer Concepts 11 months ago

What is Telnet?

Telnet service enables an Internet user to log in to another computer on the Internet from his/her local computer. That is, a user can execute the telnet command on his/her local computer to start a login session on a remote computer....

by E-Computer Concepts 11 months ago

File Transfer Protocol (FTP)

FTP service enables an Internet user to move a file from one computer to another on the Internet. A file may contain any type of digital information – text document, artwork, movie, sound, software, etc. Downloading is the...