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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.
What is random access memory(RAM or MAIN MEMORY) and mention its types? The main memory in the central storage unit in a computer system. It is relatively large and fast memory
Add -20 to +26 by using 2's complement ? Ans. Firstly convert the both numbers 20 and 26 in its 8-bit binary equivalent and determine the 2's complement of 20, after that add -
What is LoadRunner
prepare FTR
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What is Traffic Engineering? Traffic engineering gives the basis for analysis and design of telecommunication network to carry a specified traffic at an exact loss probability
Append query can be used if you would like to add new rows of data to an already active table. The process of making an append query follows these steps they are. ? Basic step
Presumably for heightened tension - first-order logic: As an aside, it's worth pointing out that - presumably for heightened tension - in most Sherlock Holmes books, the m
Explain Process Control Block Process Control Block (PCB): Information related with every process is stored in Process control Block. a) Process state b) Program counter c
Explain Hybrid Network in Standard Telephone hand set. Hybrid network: The hybrid network (sometimes termed as a duplex coil or hybrid coil) in a telephone set is a particula
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