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Q. Define the difference among pre-emptive and non pre-emptive scheduling.
Answer: Pre-emptive scheduling permits a process to be interrupted in the midst of its execution taking the CPU away and allocating it to another process. Non pre-emptive scheduling makes sure that a process relinquishes control of the CPU only when it finishes with its current CPU burst.
Processes- Making the System More Responsive and Useful A method by definition build up of a code execution and resource ownership. A process has two main characteristics, code
Q. Explain about Spooling? Acronym for simultaneous peripheral operations on line. Spooling denotes to putting jobs in a buffer, a special area in memory or on a disk where
Problem 1. What is kernel? What are the main components of a kernel? Defining Kernel Explaining Main components of Kernel 2. What is mutual exclusion? What are i
Load Sharing : Processes are not given to a particular processor. A global queue of threads is used to maintain. Each processor, when idle, picks a thread from this queue. Note th
CONTROL PROGRAMS Control Programs are those programs which control & maintain the operation of computer. They provide basic facilities. Control program are further divided into
Q. Researchers have recommended that instead of having an access list associated with each file (specifying which users can access the file and how) we should have a user control
What is paging? Paging is a memory management scheme that authorizes the physical-address space of a process to be noncontiguous. Paging evades the considerable problem of fi
Q. What is the basic function of Assembler ? Input to an assembler is an assembly language program. Output is an object program and information which enables the loader to prep
Define Properties to Ensure Good Search Performance A hashing function h should possess the subsequent properties to make sure good search performance: a. The hashing functi
Single level directory: This is the easiest directory structure. All the files are controlled in the same directory, which is simple to support and understand. Few of the li
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