EM Wave Radiation Mechanisms
EM Wave Radiation Mechanisms Radiation can be thought of as process of transmitting electrical energy. Radiation is also the flow
Read moreMonth: August 2018
Multi level Digital Modulation
Multi-level digital modulation schemes are used to increase bit rate in data communications. Ordinary modulation techniques such as ASK, FSK
Read morePhase Shift Keying | PSK
Computer data is binary in nature and consists of sequence of 1s and 0s. Telephone lines are analog in nature
Read moreFrequency Shift Keying | FSK
FSK (Frequency Shift Keying) Computer data is binary in nature and consists of sequence of 1s and 0s. Telephone lines
Read moreAmplitude Shift Keying | ASK
ASK (Amplitude Shift Keying) ASK is also known as 2-level ASK, because number of amplitude changes = 2. Other names
Read moreMODEM in digital communications
MODEM MODEM is cobination of modulator and demodulator. Computer data is binary in nature and consists of sequence of 1s
Read moreDelta Modulation in communicaion
Delta Modulation Delta Modulation (DM) is another method to convert analog signal into digital and uses single bit to achieve
Read moreDPCM | Differential PCM
DPCM (Differential PCM) DPCM is designed specifically to take advantage of the sample-to-sample redundancies in typical speech waveforms. Note that
Read moreMailing List | Internet Fundamentals
Mailing List A mailing list is a set of email addresses. Here, a list of Email addresses are identified by
Read moreFTP | File Transfer Protocol | Internet Fundamentals
File Transfer Protocol File Transfer Protocol (FTP) is a standard Internet protocol for transferring files between computers on the Internet.
Read moreTELNET | Internet Fundamentals
TELNET Telnet stands for TELecommunication NETwork. Telnet is used for Remote Logins. Telnet is a program that allows you to
Read moreSearch Engine | Internet Fundamentals
Search engines are an integral part of the Internet. A search engine is a web-based tool used to search information
Read morePlug-ins | Internet Fundamentals
Plugin A plug-in is a software module that acts as an add-on to a web browser and gives additional functionality.
Read moreNEWSGROUP | Internet Fundamentals
NEWSGROUP A newsgroup is an Internet-based discussion about a particular topic. These topics range from sports, cars, investments, and teen
Read moreMIME | Multi-Purpose Internet Mail Extensions
Multi-Purpose Internet Mail Extensions MIME is an extension of the original Email protocol SMTP. SMTP is a protocol used to
Read moreMeta Search Engine | Internet Fundamentals
The search engine visits billions of websites and creates a database or repository of sorts of the various sites. This
Read moreDirectory Search Engine | Web Directories
Directory Search Engines Searching for content or web pages submitted by hand (in person). In other words materials are found
Read moreDNS | Domain Name System | Internet Fundamentals
Domain Name System (DNS) In order to understand DNS, we need to have a basic understanding of IP addresses and
Read moreISP | Internet Service Provider | Internet Fundamentals
Internet Service Provider (ISP) An Internet service provider (ISP) is a company that provides Internet connection to its customers. Connection
Read moreHow Search Engine Works | Internet Fundamentals
Search Engine Internet contains a vast collection of information, which is spread out across 1000’s of remote servers across the
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