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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 do you mean by polynomial and exponential bounds? Bounds of the form nc for c greater than 0 .such a bound are known as polynomial bounds. Bounds of the form 2(n ) .suc
A graph with n vertices will definitely have a parallel edge or self loop of the total number of edges are More than n(n-1)/2
Expain the working of associative memory
Define Step by Step Procedure in Computer Programming? The Computer programming is the skill and art of creating a computer program a defined set of instructions in source code
When we initialize the form at that time if we require to set any variable's value then we can set it by defining in constructor. Constructor's name always similar as class name an
What is called static and dynamic branch prediction? The branch prediction decision is always the similar every time a given instruction is implemented. Any approach that has t
Electrically erasable programmable read only memory (EEPROM) An EEPROM is a special type of PROM which can be erased by exposing it to an electrical charge. Like other kinds of
Describe the Hardwired control method for generating the control signals Hard-wired control can be explained as sequential logic circuit that generates particular sequences of
Q. Why we use Modem? A Modem is one device which most computer users who have surfed Internet are aware of. A modem is neededsincehowever most of telecommunications have becom
Q. Introduction to the Operating System? An Operating system is software that creates a relation between the User, Hardware and Software. It is an interface between the all.
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