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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.
Determine the Uses of memory blocks. Not as common a technique though something to consider. As Verilog has a very convenient syntax for declaring and loading memories, you ca
Q. Illustrate Character Coded Data? The input output happens in the form of ASCII data. These ASCII characters are entered as a string of data. For illustration to get two numb
What is meant by refreshing of the screen? Some method is required for maintaining the picture on the screen. Refreshing of screen is completed by keeping the phosphorus glowi
Q. What is Ordered directive? This directive is used in combination with for and parallel for directives to cause an iteration to be executed in order that it would have been h
Advantages of DDa algorithms for line drawimg
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One can use the event GET in a report without LDB attribute. False. no one can use the event GET in a report without attribute.
Object Orientation and Analysis An Object is anything that exists within the problem domain that can be recognized by data and/or behaviour. An example of an object is a bike.
Define multi programming? Many operating systems are designed to enable the cpu to process a number of independent programs concurrently. This concept is known as multi progra
What are the different tones used in strowger telephony? Explain with the help of waveforms and the timings. Dial Tone: it is used to indicate that the exchange is ready to r
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