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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.
Explain how a critical section avoids Race condition. To prevent Race Condition, concurrent processes should be synchronized. Data consistency needs that only one process m
Q. Show the Programmes for Parallel Systems? Adding elements of an array using two processor int sum, A[ n] ; //shared variables
How do we merge an image from a file to the current image in GIMP? Ans) Use "File then Open as Layers" menu command or just take the file to a window and drop it there. The file w
Differentiate between synchronous and asynchronous input/output with the help of an example. The input-output operation is asynchronous input/output operation since after the s
We are trying to figure out how many copy machines we should install in the basement of Stranahan Hall. Copy machines should be available 24/7. Students may walk up at any time o
Appropriate Problems for ANN learning: Conversely as we did for decision trees there it's important to know where ANNs are the right representation scheme for such job. Howeve
Explain The while loop in C The while loop keeps repeating an action until an associated test returns false. This is useful where the programmer does not know in advance how ma
What is an AVL tree? AVL Tree An AVL tree is a binary tree in which the dissimilarity in heights among the left and the right subtree is not more than one for each node.
Explain the use of structures with pointers C permits a pointer to a structure variable. In fact a pointer to a structure is same to a pointer to any other variable. The pointe
Add 648 and 487 in BCD code. Ans. In BCD Code, addition of 648 and 487: 6 4 8 = 0 1 1 0 0 1 0 0 1 0 0 0 4 8 7 = 0 1 0 0 1 0 0 0 0 1 1 1 ---------------------
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