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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 is big endian and little endian format? The name big endian is used when lower byte addresses are used for the more important of the word. The name little endian is used f
Of the two "next screen "attributes the attributes that has more priority is?? Dynamic.
Q. What is High level formatting? In any disk system the space at some time in use would become discarded and therefore will be free for other application. Operating system ass
Write a C program to sort in ascending order of n numbers. # include # include void main() { int a[25],no,i,j,m,t; clrscr(); printf("\nEnter Total number
Q. Explain the typical organization of a computer? There are two principal components: hardware and software. The former refers to physical components such as memory unit (MU),
define multipoint communication
Which of the fastest logic: TTL, ECL, CMOS and LSI ? Ans. The fastest logic family of all logic families ECL. High speeds are possible in ECL since the transistors a
a company has 4 machines to do 3 jobs.each job can be assigned to one and only machine.determine the job assignments which will minimize the total cost
Q. Explain about Joint Application Development? It is defined as a structured approach in which users, managers, and analysts work together for many days in a series of intensi
Which two properties are on every validation control? Two properties are:- a) Control to validate b) Error Message.
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