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Explain the various file types
A common technique for executing file types is to contain the type as part of the file name. The name is split into two parts - a name and an extension, usually divided by a period character. The file with a .com, .exe, or .bat extension can be implemented. Assembler expects source files to have an .asm extension.
Explain Busy Waiting Semaphores Weak, Busy-wait Semaphores a) The simplest way to implement semaphores. b) Useful while critical sections last for a short time, or we com
What are turnaround time and response time? Turnaround time is the interval among the submission of a job and its completion. Response time is the interval among submission
Define the OS/2 threads code The sample program in Listing is very similar to the NetWare example. OS/2 commands are substituted for the pseudocode commands controlling thread
Q. Why do several systems store the operating system in firm ware and others on disk? Answer: For certain devices such like handheld PDAs and cellular telephones a disk with
In modern operating systems, applications do not directly access the physical memory. Instead, they use so-called virtual memory, where each virtual address is translated to a phys
What are the objectives of operating system? Objectives of OS 1. Convenience: An OS makes a computer more suitable to use. 2. Efficiency : An OS allows t
#include #include #include #include #include int main(void) { int pchan[2], pid, rval, cvar; char buf[20]; if (pipe(pchan) == -1){
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Mention some attractive properties of semaphore? The Semaphores aren't provided by hardware. However they have numerous attractive properties: Machine indep
Explain about file allocation methods? The main problem in direct-access nature is how to assign space to these files so that disk space if utilized effectively and files can b
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