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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);
Explain Non-Folded network Non-Folded Network: In a switching network, every inlet/outlet connection may be utilized for inter exchange transmission. In this case, the .excha
Enumerate the data structures used during the first pass of the assembler. Indicate the fields of these data structures and their purpose/usage. Three main data structures used
Q. Perform binary subtraction, using 1s & 2s complement: 1) 1010-1011 2) 0.1111-0.101 3) 11.11-10.111 Q. (192.25)10 - (C0.C)16 = (x)7 Find values of x, using 7's compl
Calculate the blocking probably Pb in 100 line strowger switching system where 10 calls are in progress and 11th one arrives, probably that there is a call in a given decade = 1/10
DLQ - Dead Letter Queue If an application tries to put a message to one more application and if it is not delivered then it goes to the DLQ. So DLQ is not anything but all und
Consider the state transition diagram of Figure 3.9b . Suppose that it is time for the OS to dispatch a process and that there are processes in both the Ready state and the Ready/S
What is loader? Loader is a system software which having a set of utility programs. It will load the object program to the memory.
Buses: Execution of 1 instruction need the following 3 steps to be performed by the CPU: I. Fetch the contents of the memory location pointed at by the computer syst
Determine about the microprocessor A microprocessor contains at the least CPU which was the case in 1970s and early 1980s. Today they include cache memories, bus interfaces, an
compare 2g , 3g , and 4g also with advantage of 3g and 4g.
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