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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.
Garbage collectors trade space for time. If we collect all the time (which requires a lot of processing time), the GC allocator will use the least memory possible. On the other han
The producer-consumermodel above has a standard human analogy of an assembly line. Humans have specialized skills, however, whereas threads running the same program do not need to
mention the three problems that mat be caused by wrong initialization and placement of wait() and signal()operations in the use of semaphore
Process States A total of nine states are acknowledged by the UNIX system. They are like as follow: User running Executing
What are the phases of background processing? Phases are:- Job Scheduling. Job Processing. Job Overview.
What is the kernel? A more common explanation is that the OS is the one program running at all times on the computer usually known as the kernel, with all else being applicati
Q. Explain about Operating System Services? An operating system offers services to programs and to users of those programs. It provided by one environment for execution of
Q. What are two dreadful problems that designers should solve to implement a network-transparent system? Answer: One such issue is making all the processors as well as storag
with the aid of diagrams describe the following OS structure monolithic,layered and client server.
Explain Swapping Swapping is a method of temporarily removing inactive programs from the memory of computer system.
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