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Problem:
a) To ensure proper operation, the operating system and all the other programs must be protected from any malfunctioning program. Describe a mechanism which is implemented in operating systems to guarantee this protection.
b) Explain why main memory management and secondary-storage management are two separate system components management.
c) What is the difference between "Message passing" and "Shared memory"?
d) Describe what a virtual machine is and give some advantages and disadvantages of virtual machines.
advantages and disadvantages
What are the phases of background processing? Phases are:- Job Scheduling. Job Processing. Job Overview.
What are the operations of processes? Process creation A process may create several new processes. The creating process is called as parent process, where as the new proce
Long term scheduling Scheduling explicitly performed when a new process is created and it determines which programs are admitted to the system for processing. Therefore it cont
Define caching. A cache is a region of fast memory that holds copies of data. Access to the cached copy is well-organized than access to the original. Caching and buffering are
what is process creation and how to create a process
Ask question #Minimuexplain the programable clock modes in a computer system m 100 words accepted#
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
Explain internal fragmentation The Internal fragmentation signifies to the result of reserving a piece of space without ever intending to use it. This space is wasted that this
What is process control block? Every process is represented in the OS by a process control block. It has many pieces of information associated with an exact process.
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