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Differentiate between protection and security.
Operating system contains a collection of objects, software or hardware. All objects have a unique name and can be accessed by a well-defined operations set. Protection problem - make sure that each object is accessed appropriately and only by those processes which are allowed to do so.
Security should notice external environment of the system, and protect this from:
I. Unauthorized access.
II. malicious modification or destruction
III. Accidental introduction of inconsistency.
what is the minimum number of page faults for an optimal page replacement strategy?
example of branching take place in instructon pipeline
Objectives After going through this unit, you should be able to: Describe the diffrent criteria on which classification of parallel computers are based; Examine the
Discuss in detail about the Computers and supercomputers Computers are classified with respect to their size, cost and speed as supercomputers, servers, embedded computers and
Q. Write a menu driven program to perform addition and subtraction in base 5. Check that entered numbers are in base 5 or not else error message should be displayed.
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Q. Determine why a new system is required? Feasibility Study: - Feasibility study is the method of defining the current problem determining why a new system is essential and
For what DMSP stands? DMSP stans here for Dist ributed Mai l system Protocol.
An identification method notifies Robot how to recognize the values to compare during record and playback.
What is insertion sort? Insertion Sort : One of the easiest sorting algorithms is the insertion sort. Insertion sort having of n - 1 passes. For pass p = 2 by n, insertion so
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