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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. 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 is bus arbitration? It is method by which the next device to become the bus master is selected and bus mastership is transferred to it. There are two ways for doing this:
draw input and output charectoristics of BJT and justify CE configuration provides large current amplification
Define Realization of one flip flop using other flip flops? It is probable to implement a flip flop circuit using any other circuit. Universal block diagram is shown below.
Consider the ReadRear Java method (a) Illustrate pictures that explain the data structure every time a checkpoint is reached for the problems of sizes one, two, three and four s
Differentiate between program translation and program interpretation. The program translation model makes the execution gap through translating a program written in a program
Multiprogramming is a rapid switching of the CPU back and forth among processes.
Specifying Research Problems: In our agent terminology or in technique history, a problem to be solved is a specific and justified manner where the agent has starts with the b
Q. Define Various classes of Interrupts? Figure below gives list of some common interrupts and events which causes occurrence of those interrupts. Figure: Various clas
It is desirable that operating speed of primary storage of a computer system be as fast as possible since most of the data transfer to and from processing unit is via main memory.
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