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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.
A three stage network is realized by using switching matrices of size p x s in stage 1, r x r matrices in stage 2 and s x p matrices in stage 3. Using the Lee's probability graph s
Q. Combined Parallel Work-sharing Constructs? Combined parallel work sharing constructs are shortcuts for specifying a work sharing construct nested instantaneously in a parall
The 68HC11F1 has two types of serial ports namely asynchronous (SCI) and synchronous (SPI). The most common form of communication device used in control is the SCI as this provides
Write an ALP to count positve and numbers from array.
Q. Subsequent statements set every element of matrix? Let a= [2,4,6,8,10], b=[1,3,5,7,9], c=[0,0,0,0,0] Consider the subsequent program section FORALL (i = 2:4) a(i)
Explain Common channel signalling. Common channel signalling: Signaling systems connection the variety of transmission systems, switching systems and subscriber equipments, i
Write a script called addnames that is to be called as follows, where classlist is the name of the classlist file, and username is a particular student''s username. ./addnames cla
Define the terms- Action Semantics and ArgoUML Action Semantics : Action semantics is a group of firms that have responded to the OMG's RFP to define the action semantics fo
The NOR gate output will be low if the two inputs are ? Ans. Output is low if any of the input is high means input may be 01,10 or 11.
Q. Explain about Deadlock Avoidance? To prevent deadlocks two kinds of techniques are used: 1) Static prevention: It employs P and V operators in addition to Semaphores to
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