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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 the term Grade of Service. Grade of Service: In loss systems, the traffic carried through the network is usually lower than the actual traffic offered to the network t
i want dynamic cons simple program in c++
Objectives of Parallel Computing After reading this topic, you would be able to: Tell historical details of parallel computing; Explain the fundamental ideas of dis
Desk Top Publishing (DTP) As word processors develop increasingly more sophisticated features, differences with desk top publishing (DTP) packages becomes more and more blurred
General principles of pruning: The general principles are such that: 1. Given a node N that can be chosen by player one, thus if there is another node, X, along any path,
Yet another type of input is HIDDEN input. A HIDDEN input is a value/name pair which is returned to you but doesn
Q. Show the Comparison of ASCII and EBCDIC? EBCDIC is an easier to employ code on punched cards due to BCD compatibility. But ASCII has some of major benefits on EBCDIC. These
Explain The for loop The for loop is frequently used, usually where the loop will be traversed a fixed number of times. It is very flexible, and novice programmers should take
Q. What is Dots per Inch? DPI (Dots per Inch) is a measure for actual sharpness of onscreen image. This relies on both the resolution and size of the image. Practical experienc
Objectives After studying this unit you should be able to: 1. list various types of reprographic methods, 2. describe uses of various kinds of typewriters, 3. explain
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