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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.
Define Handshaking. Handshaking is a method commonly used to accompany ever data item being transfer with the control signal that show the presence of data in the bus. The unit
Fuzzy set theory provides a means for modeling the kind of uncertainty associated with vagueness, with imprecision, and/or with a lack of information regarding a particular element
How to implement zbuffer algorithm
4) A positive integer is entered through the keyboard;write a function to find the binary equivalent of this number using recursion.
Subtraction of 01000-01001 using 2's complement method. Ans. Firstly 1's complement of 01001 is 10110 and 2's complement is 10110+ 1 =10111. Thus 01000 = 01000 - 01001
What are the fundamental steps in program development The basic steps in program development are as follows: a. Program coding, design and documentation. b. Preparation o
Explain the functioning of Firewall Using Screening Router. Firewall Using Screening Router: The risk of break-within is large along with this form of firewall: Eve
What are the properties which a data item should possess to implement a critical section? The Critical Section Problem Solution should satisfy the following conditions: 1.
Explain topology method used in LAN technology in detail. LAN Topologies: Network topology is a physical schematic that shows interconnection of the various users. There are
Define Mercantile Process Model from the Merchant’s perspective along with a suitable diagram. This model consists of three activities into the purchase consummation phase: Aut
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