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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.
Which of the best method between linear addressing and matrix addressing modes ? Ans: Best Method: Matrix Addressing is the suitable method, since this configuration on
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Explain about the non-repudiation? Non Repudiation: Assurance which the sender is provided along with proof of delivery and which the recipient is given along with proof
What are the characteristics of DRAM? Low cost High density Refresh circuitry is needed
Flynn's Classification Flynn's classification is based on multiplicity of data streams and instruction streams observed by the CPU during program execution. Let Ds and Is are
An array is referencing using a base array value as well as an index. To simplify addressing in arrays 8086 has provided two index registers for mathematical computations viz. BP a
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Define seek time and latency time. The time taken by the head to move to the appropriate cylinder or track is known as seek time. Once the head is at right track, it must wai
composition of two shm in right angles to each other to havingg time period in the ratio 1:2
What are the factors determine the control signals? Contents of the control step counter Contents of the instruction register Contents of the condition code flag
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