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Operating System Interview questions

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Operating system Interview questions with answers posted on August 06, 2008 at 18:10 pm by Amit Satpute Explain the meaning of Kernal. Answer - The kernel is the essential center of a computer operating system, the core that........             What is a command interpreter? Answer - The part of an Operating System that interprets commands and carries them out......... What is a daemon? Answer - In Unix and some other operating systems, a daemon is a computer program that runs......... Explain the basic functions of process management. Answer - The basic functions of the OS wrt the process management are :........ What is a named pipe? Answer - A connection used to transfer data between separate processes, usually on separate computers. ........ What is pre-emptive and non-preemptive scheduling? Answer - Tasks are usually assigned with priorities. At times it is necessary to run a certain......... What is a semaphore? Answer - A semaphore is a variable. There are 2 types of semaphores:......... Explain the meaning of mutex. Answer - A mutex and the binary semaphore are essentially the same.......... What are the different types of memory? Answer - the types of memory in a computer system are: ......... Explain the meaning of virtual memory. Answer - Virtual memory is an approach to make use of the secondary storage devices as an extension......... Next>> Click here to share knowledge by answering these questions What are the basic functions of an operating system? Why paging is used? Difference between a process and a program? What is the meaning of physical memory and virtual memory? What is the difference between the socket and pipe? What is the difference between THREAD, PROCESS and TASK? Difference between NTFS and FAT32? Differentiate between RAM and ROM? What is DRAM? In which form does it store data? What is cache memory? What is hard disk and what is its purpose? Differentiate between Complier and Interpreter? Describe different job scheduling in operating systems. What is a Real-Time System ? What do you mean by deadlock? Difference between Primary storage and secondary storage? Click here to share knowledge by answering these questions