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Explain Protection mechanism.
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.
An expert system also represents knowledge symbolically as sets of symbols that stand for problem concepts. In AI jargon symbol is a string of characters that stands for
What are the process states in Unix? As a process implements it changes state according to its circumstances. Unix processes have the following states: Running : The process
Which Texts in the text elements of the program helps in changing the displayed names of variables in the parameters statement. Selection text in the elements of the program
Digital switch It is a device that handles digital signals formed at or passed by a telephone company's central office and sends them across the company's backbone network.
Examples of declarations of external variables that are not definitions: extern char stack[10]; extern int stkptr; These declarations tell the compiler that the variab
Describe session handling in a web farm, how does it work and what are the limits ? In ASP.NET there are three ways to handle session objects. Single support the in-proc mec
General purpose register - assembly language: Basic ISA Classes: Accumulator: 1 address add Aacc ←acc + mem [A] Stack: 0 address add to s ←to s+ next G
The A/D converter whose conversion time is independent of the number of bits is ? Ans. Parallel conversion is the A/D converter whose conversion time is independent of the Numbe
When entering word into the cell, press Alt-Enter to insert a line break. When you do so, Excel will automatically give text wrapping to the cell. To reformat existing cells s
What are the advantages of using XML over HTML? The root cause of the problem lies within HTML that is Hyper Text Markup Language, the defector standard for web publication. Th
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