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Explain difference between Security and Protection?
Protection mechanism: The subsequent mechanisms are commonly utilized for protecting files having programs and data.
(a) Access controls lists (ACL's) (b) Capability lists (C- lists)
These lists are utilized to make sure that uses only access files that are explicitly authorized access. These files contain
(i) files created by a user herself/himself
(ii) files owned by others, for that a user process explicit access privileged granted through other owners.
Security mechanisms: Authentication is the main security mechanism. Authentication is the function of verifying the identity of a user. Authentication is classically performed by passwords at login time. The system stores the password information into a system as place as pair of the form (password info, user id), the password information is protected through encryption.
Predicates in propositional model: The predicates take a number of arguments in which for now we assume are ground terms and represent a relationship between those arguments t
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Which operations is performed more efficiently by doubly linked list than by singly linked list Deleting a node whose location is given.
Explain in brief about Compact disks (CD) These are an optical storage media that have basically taken over from floppy disk. Software is now generally supplied on a CD (in for
Distinguish between enhancement mode and depletion mode metal oxide semiconductor field effect transistors giving their characteristics. Ans. Enhancement mode and depleti
Q. Define Colour Depth in graphic display system? It is clear that an image contains an array of pixels. If we tell which pixels are 'off' and which are 'on' to the monitor, i
Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes
How blocking and non blocking statements get executed? Execution of blocking assignments can be viewed just like a one-step process: 1. Evaluate RHS (right-hand side equatio
The success of a system relies on the approach of building it. If development approach is right then system will work successfully. Figure below portrays a System Development Life
Differences between internal and external treatment in boiler
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