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about error detection in operating system and how does it take place?
What factors are involved in choosing the host operating system?
Write on short note DMA. Direct M emory Access (DMA) is a technique for transferring data from main to a device without passing it through the CPU. Computers that have
A friend has promised to log in at a particular time. However, he needs to be contacted as soon as he logs in. The shell script checks after every minute whether he has logged in o
Locks (also known as mutexes, short for mutual exclusion locks) provide mutual exclusion to shared data inside a critical session. They are implemented by means of two atomic routi
Consider a setting where processors are not associated with unique identifiers but the total number of processors is known and the processors are organized along a bidirectional ri
Is disk scheduling, other than FCFS scheduling, useful in a single-user environment? Explain your answer. In a single-user environment, the I/O queue usually is blank. Requests
Q. What is the major advantage of the layered approach to system design? What are the de-merits of using the layered approach? Answer: As in all cases of modular design as well
What is the MFD? UFD? How are they related? MFD is master-file directory, which points to the UFDs. UFD is user-file directory, which points to each of user's files.
Q. State three merits of placing functionality in a device controller rather than in the kernel and State three disadvantages. Answer: Three advantages: Bugs are less probabl
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