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Q. Explain physical layer of Osi reference model?
- The physical layer deals among the physical characteristics of the transmission medium.
- It defines the mechanical, electrical, procedural and functional specifications for maintaining, activating and deactivating the physical link between end systems.
- Such characteristics like timing of voltage changes, voltage levels, physical data rates, maximum transmission distances, physical connectors and other similar attributes are defined by physical layer specifications.
- Instances RJ45, EIA/TIA-232 and NRZ
Mesh : This is two dimensional networks. In this all processing elements are organised in a two dimensional grid. The processor in the row i and column j are indicated by PE i .
define the concept of routing protocol?
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What is a protocol? The term protocol refers to a set of rules and process that govern the transmission of messages over a physical networking medium. The most common network p
Quality assurance through statistical methods is a key component in a manufacturing organization where TQM generally starts by sampling a random selection selection of th
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What is meant by Asymmetric Multiprocessing (AMP)? It imposes hierarchy and a division of labor between processors. Only one designated processor, the master, controls (in a ti
Write an HTML program segment that contains hypertext links from one document to another.
Q. Show the Data Encryption Standard? Data Encryption Standard - Bit-level encryption method designed by IBM - Adopted as standard for nonmilitary and nonclassified us
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