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802.11 DSSS
a) Direct sequence spread spectrum in a 2.4 GHz band
b) Each bit is replaced by a sequence of bits called a chip code, implemented at the physical layer
c) Sender splits each byte of data into several parts and sends them concurrently on different frequencies
d) Data rate is 1 or 2 Mbps
Define in details about computer networks ? Discuss a variety of types of networks topologies in computer network. Also discuss a variety of costs and disadvantage of all topology
OSPF ( open Shortest Path First) Open shortest path first is a routing protocols developed for internet protocols networks by the interior gateway protocols working group
Explain BGP
Along any transmission path from a given source to a given destination, a group of virtual circuits can be grouped together into what is known as path.
Why it is necessary to have layering in a network? A computer network is a very complex system. It becomes very difficult to execute as a single entity. The layered approach di
Single Program Multiple Date A common style of writing data parallel programs for MIMD computers is SPMD (single program, multiple data): all the processors implement the same
Method to change Decimal to Binary?
Output Port The function of the port is take the packets that have been stored in the out put port memory and transmits them over the out going link. The queuing and bu
What is D-AMPS D-AMPS uses 832 channels (in every direction) with three users sharing a sole channel. This allows D-AMPS to support up to the 2496 users simultaneously per cel
stop and wait arq
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