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How semaphores implement mutual exclusion?
Mutual-exclusion implementation along with semaphores:
Assume that there are n-processes and they share a semaphore, mutex (standing for mutual exclusion), initialized to 1. All processes Pi is organized as illustrated below:
do{
wait(mutex);
critical section
signal(mutex);
remainder section }while(1);
Propositional Logic: This is a fairly restrictive logic, that allows us to be write sentences about ¬propositions - statements about the world - that can either be true or
Necessary features of an algorithm: 1.Input: The algorithm should take zero or more input. 2. Output: The algorithm should generate one or more outputs. 3. Definiteness:
The six several application of stack in computer application is: 1. Conversion of infix to postfix notation and vice versa. 2. Evaluation of arithmetic expression. 3.
Instruction buffers For taking the complete advantage of pipelining pipelines must be filled continuously. So instruction fetch rate must be matched with pipeline consumption r
Ending transactions: Either side may request that a burst end after the present data phase. Simple PCI component that do not support multi-word bursts will always request this
What are virtual Functions
Find the boolean expression for the logic circuit shown below. Ans. Output of Gate-1 (NAND) = (AB)' Output of Gate-2 (NOR) = (A'+B)' Output of Gate-3 (NOR) = [(AB)' + (
Explain Real Time Operating System? Real time operating System: A real-time operating system has suitably-defined, fixed time constraints. Processing should be done in the d
How can we pass selection and parameter data to a report? There are three options for passing selection and parameter data to the report. Using SUBMIT...WITH Using a rep
Q. Explain about DMA and Interrupt Breakpoints? DMA interface transfers complete block of data one word at a time directly to or from memory without going through processor. Wh
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