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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.
Memory Organization - Computer architecture: BASIC CONCEPTS: Address space - 16-bit : 216 = 64K mem. locations - 32-bit : 232 = 4G mem. locations - 40-b
(a) Explian two limitations of dead-box analysis. (b) Describe why memory analysis is difficult. (c) With reference to the "Shadow Walker" rootkit, explain what is meant by
Call request signal is: (A) Seize signal (B) Idle state signal (C) Line identification signal (D) Called subscriber alert signal Ans: Call request
Explain crossbar exchange, with all call processing steps and diagrams. The fundamental idea of crossbar switching is to give a matrix of n x m sets of contacts with only n + m
To sktech the circles in the visualization, you need to use the paramteric equation of a circle (x = r cos (Θ), y = r sin(Θ). A circle can be shown as a polygon where the points of
Cutoff Search : To require a mini and max search in a game on stage situation is, in which all we have is just do that programme our agent to look at the intact that search tr
What is SAP LUW or Update Transaction? Update transaction (or "SAP LUW") This is a set of updates terminated by an ABAP/4 commit. A SAP LUW may last much longer than a data
To calculate speed up performance various laws have been developed. These laws are discussed here. Amdahl's Law Remember, the speed up factor helps us in knowing the relat
Define user space? The system space is divided from virtual address space in which the user application programs reside. The letter space is known as user space.
This assignment relates to all of the course objectives but more specifically to your practical understanding and evaluation of the key issues in relation to the development of the
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