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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);
Bitwise-AND Operator: & AND-expression : relational-expression AND-expression & equality-expression The bitwise-AND operator (&) compares each bit of its first operand t
Q . Write a subroutine in C which toggles the cursor? Write a subroutine in C which toggles the cursor. It takes one argument which toggles the value between on (1) and off (0)
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What is Matrix Addressing Mode. Ans. Matrix Addressing Mode: The arrangement which needs the fewest address lines is a square array of n rows and n columns for a whole memory
This unit starts by discussing the importance of involving users in the interaction design process, explaining the reasons why user involvement can be useful, the different degrees
Which one state is not a fundamental process state? Ans. Blocked state is not a fundamental process state.
The Environment variable SCRIPT_NAME in CGI script specifies? In CGI script gives the path of URL after server name.
Use tabs to bring some structure into your function body if(nPos > 1) then nRetrun = True else nRetrun = False end if
Program: This program compares a pair of characters entered by keyboard. ; Registers used: AX, BX, CX, DX DATA SEGMENT XX DB?
Q. Total number of registers in a CPU? Factors to consider when choosing total number of registers in a CPU are: CPU can access registers faster than it can access m
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