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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.
For F = A.B.C + B.C.D ‾ + A ‾.B.C, write the truth table to realize the function using NAND gates only ? Ans. Logic Function given as F = ABC + BC‾D + A‾BC, simplification o
Flynn's Classification Flynn's classification is based on multiplicity of data streams and instruction streams observed by the CPU during program execution. Let Ds and Is are
What are the advantages and drawbacks of mealy and moore machine? Advantages and drawbacks: Into Mealy as the output variable is a function both state and input, changes o
What is delayed branching? A method called delayed branching can minimize the penalty incurred as a result of conditional branch instructions. The idea is easy. The instruction
Difference between the symmetric and assymetric multiprocessing
Explain an exceptional handling in java with the help of suitable example. Java exception handling is managed through five keywords: catch, try, throw, finally and throws. Th
A NULL pointer is a pointer of any type whose value is zero. A void pointer is a pointer to an object of an unknown type, and is guaranteed to have sufficient bits to hold a pointe
WHAT IS COMPUTER? Computer is termed in the Oxford dictionary as "An automatic electronic apparatus for making controlling operations or calculations which are expressible i
What is synchronous DRAM? Synchronous DRAM's are those whose operation is directly synchronized with a clock signal.
Optical mark recognition (OMR) OMR technology scans a printed form and reads pre-defined positions (where specific fields have been filled in for instance ?-?or _); system re
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