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What are files and explain the access methods for files?
File definition
Attributes, operations and types
Direct access
Sequential access with diagram
Other access methods-index with diagram
Question 1: a) Briefly explain each of the following terms: (i) Distributed systems. (ii) Real time systems. (iii) Multiprocessor. b) What is the impo
Q. Show the services which provided by operating system? A) Resource Allocation: If there are more than one user or jobs running at the same instance then resource
What are the benefits of multithreaded programming? The advantages of multithreaded programming can be broken down into four main categories: Responsiveness Resourc
what is dual mode operation
Define the properties operating systems: Batch :- Jobs with similar needs are batched together and run through the computer as a group by an operator or automatic job sequenc
Describe the purpose of the checkpoint mechanism. How habitually must checkpoints be performed? Explain how the frequency of checkpoints affects: System performance while no
Identifying parallelism A formal way to identify parallelism in an activity is to draw a task dependence graph in a directed graph in which each vertex represents a task to
What is a Relocatable program? The Relocatable programs can be loaded almost anywhere in memory.
What are the objectives of operating system? Objectives of OS 1. Convenience: An OS makes a computer more suitable to use. 2. Efficiency : An OS allows t
Q. Explain Message passing among systems? Communications- Message passing among systems requires messages to be turned into packets of information and sent to the network contr
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