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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.
Define Cloud Computing with example. Cloud computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources (e.g., se
Write short note on Quantization. Quantization: This is the first step in PCM. The whole amplitude range of the modulating signal is divided in a number of standard levels term
Commutatively of Connectives You will be aware from the fact that some arithmetic operators have a property that it does not matter which way around you give the operator input
Compare hypertext versus hypermedia. Hypertext is basically similar as regular text - it can be stored, read, searched, or edited - with a significant except ion: hyper text h
Explain the importance of Search Engines The most effective way of finding information on the internet is to use a search engine. Though, it's just as easy to use these ineffic
Question 1 What are the drivers behind the convergence between voice and data networks? Explain them briefly Question 2 Explain the need and functioning of Private ST Netw
Distinguish among the functions islower() and tolower(). islower( ) and tolower( ): islower(c) is a character testing function described in ctype.h header file. This
Program generation activity aims at? Ans. At automatic generation of program the program generation activity aims.
What is system testing? The final step in testing is system testing, which means checking the whole application. System testing exercises the overall application and make sure
Q. How can data and instructions are put into the computers? The data and instructions to a computer are provided by external environment. It determines that input devices are
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