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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.
Q. What is Block size of cache memory? Block Size: Block size means unit of data (few memory words) exchanged between main and cache memory. As block size increases from very
Over fitting Considerations - artificial intelligence Left unexamined , back propagation in multi-layer networks may be very susceptible to over fitting itself to the
Program generation activity aims at? Ans. At automatic generation of program the program generation activity aims.
What are delay systems in telecommunication networks? Delay System: A class of telecommunication networks like data a network that places the call or message arrivals in a qu
Variables and Quantifiers for First-order models -artificial intelligence: So what do sentences containing variables mean? In other words, how does first order model select whe
Problem: a) Most RMI and RPC systems expect to be supported by the "Request-Reply Protocol". Describe what "Request-Reply Protocol" is. b) Describe the invocation semantics
Define the Emphasis on Object Structure Emphasis on Object Structure, not on Operation Implementation In object orientation the importance is on specifying the qualities
What are bags and sequences? A bag is a collection of elements with duplicates permitted. A sequence is an ordered collection of elements with duplicates permitted.
A star connected intermediate exchange is known as a? A star connected intermediate exchange is termed as a Hub exchange.
Discuss in detail the subscriber loop systems. Subscriber Loop System: Every subscriber in a telephone network is linked usually to the nearest switching office by means of w
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