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Q. Explain Frequency-division multiplexing?
Frequency-division multiplexing (FDM) is a technique for data transmission widely used in telephone, radio, and cable TV systems in which the transmission frequency spectrum (i.e., bandwidth) is divided into smaller bands known as subchannels.
Data transmission between two stations can be achieved in either simplex, half-duplex, or full-duplex mode. In a simplexmode,mainly used in radio and TV broadcasts, information travels only in one direction. Thismode is rarely used in data communications. In half-duplexmode, used by radio communications, information may travel in both directions, but only in one direction at a time. The transmitter becomes the receiver and vice versa. In a full-duplex mode, information may travel in both directions simultaneously. This mode, used in telephone systems, adopts two different carrier frequencies.
Explain the term Overlays. An overlay is an element of program that has the same load origin as several other part of the program. These are used for reduce the main memory req
Evolutionary approaches boil down - artificial intelligence: In fact as we will see whether evolutionary approaches boil down to like (i) just to identify how to represent pos
Give a suitable algorithm of non-repudiation in designing e-cash based system. The algorithm of non-repudiation in designing e-cash based system is as illustrated below: Ke
A common task for a system administrator is to create new user accounts. In this lab you will be creating output that looks like an /etc/passwd file. The Problem You are to
Explain the Reference Count The system relates a reference count along with each memory area to point out the number of its active users. This number is incremented while a us
In step by step switching line finders are connected to the (A) Calling subscriber. (B) Switching network. (C) Called subscriber. (
Q. Show the advantages of Joint Application Development? The following are the numerous advantages of Joint Application Development: Actively includes management and use
What is Fork swap? "Fork ()" is a system call to make a child process. When the parent process calls "fork()" system call, the child process is formed and if there is short of
What is Linear Addressing Mode. Ans. Linear Addressing: Addressing is the procedure of selecting one of the cells in a memory to be written in or to be read from. So as to fa
Q. What is span of control? Span of control tells the ratio among superiors and subordinates. Generally organizations are having two different types of spans. They are Wide Spa
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