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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.
What is Branch prediction logic Branch prediction logic in Pentium: Pentium microprocessor uses branch prediction logic to decrease the time needed for a branch caused by in
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can you deign the schematic of a modified digital clock at the gate as well as the IC level and then construct the circuit, lab spec and industral spec?
A 4-bit synchronous counter uses flip-flops with propagation delay times of 15 ns each. The maximum possible time required for change of state will be ? Ans. 15 ns since in sy
Software Project Planning In the previous days of computing software costs comprised a small % of overall computer based system cost. In order of magnitude error software cost
How the simulation is done - Information from the satellites/sensors sent to computer - This data is compared to information stored on files ..... - ..... Which contain kno
Address phase timing: On the rising edge of clock 0, the initiator notes IRDY # and FRAME# both high, and GNT# low, so it drives the command, address and asserts FRAME# in tim
Home Banking: E-commerce is used in Home Banking as single call or single click. Online banking (Internet banking) is a term used for performing transactions, payments etc. ove
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