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What is semaphores?
A semaphore 'S' is a synchronization tool which is an integer value that, apart from initialization, is accessed only by two standard atomic operations; wait and signal. Semaphores can be used to deal with the n-process critical section problem. It can be also used to solve lots of Synchronization problems.
E ngaged tone is generated in the: (A) Telephone instrument of calling subscriber (B) Telephone instrument of called subscriber (C) Exchange (D) Repeater
A subroutine can be terminated unconditionally using EXIT. True.
Q. What is Multiple Interrupt Lines? Multiple Interrupt Lines: Simplest solution to problems above is to provide multiple interrupt lines that will result in immediate recognit
Retina - Biometric Computer Security Systems The next security technology that explained in this report is retina security technology which is very famous in a lot of spy movi
If the throughput scales upward as time progresses and the number of Vusers enhance, this showing that the bandwidth is sufficient. If the graph were to remain relatively flat as t
Q. Explain Point-to-point Message Passing? In point to point message passing, one process transmits/receives message from/to another process. There are four communication modes
Q. Explain Indirect Cycle in control unit? Once an instruction is fetched the subsequent step is to fetch the operands. The instruction may have indirect and direct addressing
Which is not a key piece of information, stored in single page table entry, assuming pure paging and virtual memory Ans. A reference for the disk block which stores the page is
Q. Develop a Menu driven program with following menu: a. Binary to Decimal b. Binary to Octal c. Binary to Hexadecimal d. Exit (Put proper validation for input
explain the various types of computer systems
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