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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.
Bring out the importance of hierarchy of operators? The operators within C are grouped hierarchically according to their precedence(i.e., order of evaluation). Operations w
Q. What is Charge-coupled Devices? CCDs are employed for storing information. They have arrays of cells that can hold charge packets of electron. A word is signified by a set o
What are advantages and drawbacks of latches? Advantages and drawbacks of latches: Area of a latch is classically less than a Flip Flop. It consumes less power, becaus
Q. Basic defination of program? A program generally consists of a set of instructions and data specifying the solution of a particular problem. Programs (and data) expressed in
Loosely Coupled Systems These systems don't share global memory since shared memory concept increases the problem of memory conflicts, which consecutively slows down the
How can i made Carnot engine
want to know about latest work and research papers on internet data synchronization
Memory Stack Stack could exist as a stand-alone unit or could be executed in a random-access memory attached to the CPU. The implementation of a stack in a CPU is done by assig
Three state table buffers Three state table buffers: A bus system can be constructed with the help of three state gates instead of multiplexers. A three states gate is digital
A router connects to at most K networks. How many routers R are required to connect to N networks? Derive an equation that gives R in terms of N and K. If N K and K >=2 this
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