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End systems are connected together by communication links. There are various types of communication links, which are made of numerous types of physical media, comprising twisted pair, fiber optics, radio links and coaxial cable. Different links can transmit data at different rates. The link transmission rate is generally known as bandwidth of the link, which is usually measured in bits/second. The highest the bandwidth, the more is the capacity of channel. End systems aren't usually directly attached to each other through a single communication link. In its place, they are indirectly connected to each other via intermediate switching devices called routers. A router takes a chunk of information which is arriving on one of its incoming communication links and forwards that chunk on one of its outgoing communication links. In the jargon of computer networking, chunk of information is known as a packet. The path that packet takes from sending end system, by a series of communication links and routers, to receiving end system is called a route or path through network. Instead of providing a dedicated path between communicating end systems, Internet uses a technique termed as packet switching which allows multiple communicating end systems to share a path, or parts of a path, at the same time. In the same manner as a router, there is another special machine which is called gateways used in the network which allows different networks to talk to Internet, which uses TCP/IP.
What is Verilog function - A function is unable to enable a task however functions can enable other functions. - A function would carry out its required duty in zero simula
Give the truth table of S-R and D-flipflops. Ans: The Truth Table for S-R Flip-Flop is illustrated in Fig.(a) and truth table of D Flip-Flop is illustrated in Fig.(b)
Discuss two main approaches to reuse free memory area in a heap. Two major approaches to reuse free memory area in a heap are: First-fit: Allocate the first hole which i
Explain about the viruses in detail Note 1: Viruses don't just infect computers, they may also affect mobile phones, MP3 players etc. - any device that can download files fro
Automatic typewriter : It is a power-driven machine, which automatically types a standard pro forma from a previously punched or stencilled master. When the master is placed on th
What is assembly language? Assembly language : It is a family of low-level language for microprocessors, programming computers, microcontrollers etc. All are implement a symbo
Computer to computer transmission of structured data using standardised documentation is known as Electronic data interchange (EDI).
One cannot use SELECT statements in a report program linked to a Logical Database False. You can use th SELECT statements.
Every computer connected to Internet has a unique address. Let's just say your IP address is 1.2.3.4 and you want to send a message to computer with IP address 5.6.7.8. Message you
write a program in assembly language using emu8086 so that the input string can contain both lower and upper case letters and any other character and the output will be the reverse
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