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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 are the types of Smart cards used in e-commerce? Generally there are 2 types of smart cards. Memory smart cards, which can be sighted as minuscule removable read/ write
solution for oadovan string inc language
Biscuits move on a conveyer through an oven where they are cooked. Two sensors, H and C, measure the temperature of the oven, H = 1 if the oven is too hot and C = 1 if the ove
Write an application to calculate the diameter, circumference, and area of a circle with a radius input by the user. Assign the radius float variable and then output the radius wit
Define addressing modes. The dissimilar ways in which the location of an operand is specified in an instruction are referred to as addressing modes.
Nonvolatile Read Write Memory, also kown as Flash memory. It is also called as shadow RAM.
External interface is interface between I/O interface and peripheral devices. Interface can be characterised into 2 main categories: (a) parallel interface and (b) serial interface
What are the disadvantages of Linux? Learning Lack of comparable programs More technical skill required
Use SAVE when you are revising an existing document. Use SAVE AS when you are making a new document from scratch or an existing document. This will remain the original document
Why is TCP called end-to-end protocol? TCP is termed as an end-to-end protocol as this provides a connection directly by an application in one computer to an application on a r
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