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What are the main differences between operating systems for mainframe computers and personal computers?
The design goals of operating systems for those machines are quite different. PCs are inexpensive, so wasted resources like CPU cycles are inconsequential. Resources are wasted to improve usability and enhance software user interface functionality. Mainframes are the opposite, so resource use is maximized, at the expensive of ease of use.
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
Q. Can a system detect that some of its processes are starving? If you answer "yes," explain how it can. If you answer "no," explain how the system can deal with the starvation pro
Clocks in distributed systems : a. Why are clocks difficult to synchronize in distributed systems? b. What features in a system assume that the clocks are (reasonably) synchr
Define what can be used as a criterion for classification of data structures utilized in language processing Answer: nature of a data structure, lifetime of a dat
what are the objective of operating system assignment
What is linked allocation, as detailed in text? Directory has pointers to first and last blocks of file. Every block of file (except last) has pointer to the next block.
There are three kinds of Data Abstraction: Physical level: The minimum level of abstraction defines how data are saved. Logical level: The next bigger level of a
Question: a) Each process is represented in the operating system by a process control block (PCB). The PCB contains many pieces of information associated with a specific proce
What is the use of FIFOs in client-server applications
Evicting the most-recently used (MRU) page does very well on LRU's worst case. In general, however, MRU is a bad idea, since many programs exhibit temporal locality in their memory
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