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OPERATING SYSTEM
1. Describe the term operating system. Write down the functions of operating system.
2. Explain Thread? Write down the advantages and disadvantages of threads.
3. Differentiate between Single Partition Allocation and Multiple Partition Allocation.
4. Express the need of Page Replacement Algorithm? Explain the concept of FIFO page replacement algorithm.
5. What do you understand by a file? Write down the operations on files.
6. What do you mean by multiprocessor? List the advantages of multiprocessor systems.
What is critical section? Every process has a segment code called the critical section, in which the process may be updating tables, changing variables, writing file and etc. W
Q. Consider a calculating environment where a process is given the privilege of accessing object only n times. Suggest a scheme for implementing this policy. Answer: Add an i
Write a note on the usage of semaphores. Semaphore is a synchronization tool and it is a variable having integer values. It is accessed only by two standard atomic operations w
what are disadvantages of using single directory
what is semantics of system call execution?
What do you mean by system calls? System calls give the interface among a process and the operating system. When a system call is implemented, it is treated as by the hardware
Define properties of Time sharing operating system Time sharing:- T his systems uses CPU scheduling and multiprogramming to provide economical interactive use of a system. The
How do we overcome the disadvantages of the two-level directory? Give links from one user directory to another, creating path names; system files become available by letting th
List out the advantages of windows 2000 file management. Permits detailed security for individual folders and files. Built-in granular compression capabilities
about error detection in operating system and how does it take place?
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