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Problem:
a) Explain physically what occurs when a disk is fragmented. What is the purpose of "defragmenting" a disk?
b) What is the idea behind backing up data on a secondary storage?
c) Among the different software, operating systems, applications, utilities and data, which one is the most valuable and therefore requires frequent back ups? Justify your answer.
d) Is Anti Virus a system utility? Why is the Anti Virus not embedded in the operating system when the latter is installed
What does it mean for something to be thread-safe? By saying that X is thread-safe, we mean that if multiple threads use X at the same time, we don't have to worry about concurrenc
We are faced with three major components of the page-fault service time. 1. Service the page-fault interrupts. 2. Read in the page. 3. Restart the processes.
Questiion 1 Use Priority Scheduling Algorithm to schedule the following processes Process Burst Time Priority/Time P1
Define which is not a key piece of information, stored in single page table entry, supposing pure paging and virtual memory A reference for the disk block which stores the pa
What is a sequential file? A file that is read one record or block or parameter at a time in order, based on a tape model of a file.
how response times are reduced by allowing time sharing on top of multiprogramming
Explain the OS/2 Operating System Like NetWare, OS/2 manage resources at three levels, as shown in Figure 4.5 Resources may be maintained at the session, process, and thread le
Introduction of linux
What is the exclusive feature of UNIX Shell is the exclusive feature of UNIX.
Define busy waiting and spinlock. When a process is in its significant section, any other process that tries to enter its critical section must loop continuously in the entry c
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