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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.
Q. What is Single Program Multiple Data? A general style of writing data parallel programs for MIMD computers is SPMD (single program, multiple data) means all processors execu
Enumerate in brief about the Intranet security policy An Intranet security policy is a very broad topic and it cannot be covered easily in few pages since it differs from situa
What is strong-typing versus weak-typing? Which is preferred? Why? Strong type is checking the types of variables as early as possible, usually at compile time. Whereas weak ty
1. Create the following ADTs. (a) Write the constructor function makestk, predicate function emptystk and mutator functions pushstk and popstk: i. makestk returns a new stack
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Q. Illustrate about FAT structure? DOS file system maintains a table of pointers known as FAT (File allocation table) that comprises an array of 16-bit values. There is one ent
8:1 Mux for a given function, f=S (0, 1,5,7,9, 13)..
HTML is made up of many elements, a lot of them are overlooked. Though you can develop a Website with the basic knowledge of HTML, to take benefit of many of the advanced features,
In how many ways line of code of assembly language can be divided? A line of code of an assembly language program can be divided in three columns called as fields. The fields d
Q. Write short note on Interfacing Keyboard, giving block diagram. Why do we need to introduce circuitry called Keyboard Status Word Generator?
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