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Q. Illustrate basic working of Physical layer?
Physical layer: Physical layer is concerned with sending raw bits between source and destination nodes over a physical medium. Source and destination nodes have to agree on a number of factors.
Signal encoding: how are the bits 0 and 1 to be represented?
Medium: what is the medium used and its properties?
Bit synchronization: is the transmission asynchronous or synchronous?
Transmission type: whether the transmission is parallel or serial?
Transmission mode: is the transmission simplex, half-duplex or full duplex?
Topology: what is the network topology i.e. mesh, star, bus or ring?
Q. Block Format and Disk Layout on CD-ROM? A typical block format is displayed in Figure (a). It comprises the subsequent fields: Sync: Sync field identifies beginning o
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Recursive procedures are implemented by using Recursive procedures are executed by using stacks due to stacks are LIFO data structure and we require this feature to store retur
what is picket fence problem?
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