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Q. Basic working of Star Topology?
In Star topology, all user nodes are connected to central node point that interconnects all individual users links and nodes. Data flows from one node, through star centre to desired receiving node. Central node is like a large switch which routes the data from the input line to the output line. Advanced central nodes can have multiple switching paths, so many paths exist at the same time. This topology is used in a telephone system central office. Addition of a new user node requires running just a single link from the star centre to user without disturbing any other node.
SBB Instruction This instruction is used to subtract the contents of register or memory location with carry flag from accumulation. The results of operations is stored
Q. A magnetic force exists between two adjacent, parallel current-carryingwires. Let I1 and I2 be the currents carried by the wires, and r the separation between them.
Explain the purpose of the I/O instructions IN and OUT. The IN instruction is used to move data from an I/O port into the accumulator. The OUT instruction is used to move d
What is independent bus request scheme? Each of the master's needs a pair of request and grant pins which are connected to the controlling logic. The busy line is common for al
With a maximum excess delay of and a chip duration of , the multipath components fall in delay bins. This means that we experience leakage of energy between chips and the channel i
Basic Operations of 8085 Microprocessor The 8085 microprocessor performs followings five basic operations . 1. Opcode Fetch : Reading and decoding operation code of
Speed Control Using Phase Controlled Converters Phase controlled converters converts a constant ac voltage into variable controlled dc voltage. This variable dc voltage
Q. Amplifiers with Feedback? Almost all practical amplifier circuits include some form of negative feedback. The advantages gained with feedback may include the following: •
problems on combination clipper
Theft or Pilferage of Power by the Existing Customers Power theft through the existing consumers is the predominant cause of loss of revenue to the electrical utilities. Almos
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