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Q. Define Wait protocol?
The wait protocol is used for resolving conflicts that arise due to some multiprocessors requiring same resource. There are 2 kinds of wait protocols: sleep-wait and busy-wait. In busy-wait protocol process stays in process context register that continually attempts for processor availability. In sleep-wait protocol wait protocol process is removed from processor and is kept in wait queue. The hardware complexity of this protocol is greater than busy-wait in multiprocessor system. If locks are used for synchronization subsequently busy-wait is used more than sleep-wait.
Develop a regular expression for Real number with optional fraction and Identifier. (i) A regular expression for real number with optional fraction is [+ | -] (d) +. (d)* (i
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Define EMS The area at location C8000H-DFFFFFH is often free oropen. This area is used for the expanded memory system in a XT or PC system, or for the upper memory system in an
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Design a 4 : 1 multiplexer with strobe input using NAND gates. Ans. Design of 4 : 1 multiplexer with strobe input using NAND gates.
Determine the Framed data including a parity bit For illustration when even parity is chosen, parity bit is transmitted with a value of 0 if the number of preceding
Q. Explain Real time system? A real time system defines an interactive processing system with severe time limitations. A real-time system is used whenever there are rigid time
Determine about the Information centres Airports, supermarkets and any application where information needs to be relayed to customers, gain advantage from having automatic inf
A device which converts BCD to Seven Segment is called ? Ans. DECODER is a device that converts BCD to Seven Segment. This coverts binary words in alphanumeric characters.
Why data bus is bidirectional and address bus is unidirectional in most microprocessors? The data bus is bidirectional because the data bus has to transfer data among the CPU a
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