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What is a Priority Interrupt?
Ans: A priority interrupt is a type of interrupt that establishes a priority over the many sources to determine which condition is to be serviced first when 2 or more requests arrive simultaneously.
Describe bus.
Ans: When a word of data is transferred among units, all the bits are transferred in parallel over a set of lines which is called bus. In apart to the lines that carry the data, the bus must have lines for control purposes and address.
Explain synchronous bus.
Ans: Synchronous buses are the ones of the bus in which each item is transferred during a time slot (clock cycle) known to the source and destination units both. Synchronization can be gain by connecting both units to a common clock source.
What are the different types of distributing frames used in exchanges? The various distribution frames used in exchange are demonstrated in figure. Every subscriber in a telep
What are several issues for selecting best workarounds in multiple inheritances? Some restrictions methods are used. Use two approaches of delegations, which is an implementati
Why is packet switching important? Give at least two reasons. Packet switching is significant due to the following two purposes: 1. A sender and the receiver require coordin
Parallel Overhead The amount of time needed to organize parallel tasks, as opposed to undertaking useful work. Parallel overhead may comprise factors like: 1) Task start-u
What is Hamiltonian path? A Hamiltonian path in a directed graph G is a directed path that goes through every node exactly once. We consider a special case of this problem whe
Q. Signaling PVM process? int pvm_sendsig( int tid, int signum ) Transmits a signal to other PVM process. tid is task identifier of PVM process to receive signal.
Define locality of reference? What are its types? During the course of implementation of a program memory references by the processor for both the instruction and the data ten
What are the Counters? 1. The Counter is a sequential circuit which consists of a set of flip flops connected in a appropriate manner to count the sequence of input pulses.
Design a 4 : 1 multiplexer with strobe input using NAND gates. Ans. Design of 4 : 1 multiplexer with strobe input using NAND gates.
Define entry section and exit section. The critical section problem is to design a protocol that the processes can use to cooperate. Every process must request permission to e
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