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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.
A program is backward compatible if it can use files from an older version of itself. For a file saved in the program to be backward compatible, it must be possible to open the fil
KK manufacturing company is faced with demand for its product in each of the next four periods as shown in Table 1. It must decide upon a production schedule to meet these demands
Define baud rate The rate of data transfer in serial data communication is signified in bps. Bits per second (bps) is the rate of transfer of information bits. Baud is the num
The Concept of Process Unofficially a process is a program in execution subsequent to the program has been loaded in the main memory. Though a process is more than just a progr
Question: a) Why do we use the Internet as the new distribution channel for e-banking products and services? b) In the context of e-banking or e-commerce, outline some o
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
Q. What is Shift operation? Shift: Shift operation is employed for transfer of bits either to left or to right. It can be used to comprehend simple arithmetic operation or da
Bring out the importance of hierarchy of operators? The operators within C are grouped hierarchically according to their precedence(i.e., order of evaluation). Operations w
Q. Illustrate working of Magnetic Bubble Memories? In many materials like garnets on applying magnetic fields certain cylindrical areas whose direction of magnetization is oppo
Write the truth table of NOR gate. Ans. The truth table for NOR gtae is shown below:
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