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What is a file?
A named collection of related data explained by the creator, recorded on secondary storage.
what is dual mode operation
Define rotational latency and disk bandwidth. Rotational latency is the additional time waiting for the disk to rotate the wanted sector to the disk head. The disk bandwidth is
how do semaphores help us in eliminating deadlock conditions?
Q. What are the major differences between operating systems for mainframe computers and personal computers? Answer: In general operating systems for batch systems have simpler
Define UNIX device driver The UNIX device driver is structured into two halves called top half and bottom half
. Nested Macro calls are expanded using the
Some CPUs provide for more than two modes of operation. What are two possible uses of these multiple modes?
Forking is an important phase of Unix, critical to the support of its design strategies, which encourages the implementation of filters. In Unix, a filter is a process that reads i
Processes and Programs Process is a dynamic entity which is a program in execution. A process is a sequence of information executions. Process exists in a limited span of t
Explain the Resource Ownership and Control Operating systems are required to handle many different types of resources. CPU , memory, and I/O devices are some of the varied sys
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