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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.
Method overloading is to overload methods using similar class name by writing different parameters. This is known as Method Overloading.
Q. Explain about Integration Levels? Initially only few gates were integrated consistently on a chip. This initial integration was termed as small-scale integration (SSI). With
In sense of Database Management System (DBMS) LOGICAL DATABASE is a database Structure. False LOGICAL DATABASE is not a database Structure.
Given a four level hierarchical storage system consisting of: cache, primary storage, secondary storage, and tertiary storage. Suppose the following: programs may be executed on
Q. Perform binary subtraction, using 1s & 2s complement: 1) 1010-1011 2) 0.1111-0.101 3) 11.11-10.111 Q. (192.25)10 - (C0.C)16 = (x)7 Find values of x, using 7's compl
Speedup First, we take the speedup factor which is we see how much speed up performance we achieve by pipelining. First we take ideal case for measuring the speedup. Let n b
Analysis: Basically, it is the process of determining what requirement to be done before how it should be done. In order to accomplish this, the developer shows the existing sy
How a pointer variable declared in C ? Why is it sometimes desirable to pass a pointer to a function as an argument? A pointer is a variable which contains the address in memor
Java Database Connectivity (JDBC) With two different types of technologies available in the market today viz., the Windows and the Java technologies developed by the Microsoft
Explain signed binary number system. Ans. Signed Binary Numbers: In decimal number system positive numbers are signified by (+) sign and negative numbers are represented b
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