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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.
As an employee of an up and coming web Design Company, you have been approached by a small local cinema, called Valley Viewing who are looking to revamp their existing HTML website
We can also use the logical operators to numbers directly and perform simple bit manipulation . The operators are & Bitwise AND | Bitwise OR ^ Bitwise exclusiv
Problem (a) Using a labelled diagram of an Instruction-Execution cycle, describe how a CPU executes single machine instructions by referring to the five main operations.
Q. When an object travels with constant velocity does its average velocity during any time interval differ from its instantaneous velocity at any instant? Answer:- No It i
An event handler is a part of a computer program formed to tell the program how to act in response to a definite event.
Techno hype - Obstacle to Information System New technology has always been accompanied by a certain amount of euphoria that inevitably leads to unrealistic expectations place
What is vector processing? There is a class of computational problems that are beyond the capabilities of a conventional computer. These problems are characterized by t
Q. Explain Basic working of Mainframes? Mainframe computers are normally 32-bit machines or higher. These are suited to large organizations, to manage high volume applications.
What are different types of Log records? V1 and V2. V1 must be processed before V2. But, we can have more than single V2 logs
a) What command do you use to file all active and available sockets? These should also contain UNIX domain sockets, which are primarily used for local connections. b) What sta
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