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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.
Q. Explain the Instruction Decode? Instruction Decode: This phase is performed under control of Control Unit of computer. The Control Unit determines the operation which is t
Step 1: Choose File -> Import XML into Template Step 2: Select the XML file & click Open When an XML file is imported, Dreamweaver merges XML content in Template, which is be
What is meant by inter process communication? Inter process Communication: The OS give the means for cooperating processes to communicate with each other through an inter pro
What is an encoder? Draw the logic circuit of Decimal to BCD encoder and explain its working. Ans. Encoder: It is a combinational logic circuit which converts alphanumeric ch
Variables and Quantifiers: Now we have to diagnose now that if we wanted to say that there is a meal at the Red Lion which costs only 3 pounds, is well sayed. Rather thenif we
Explain the resources of data structure is used by an operating system to keep track of process information? Explain A process is a program in execution. An operating system
External Interrupt: Interrupt signal came from input-output devices connected external to processor. These interrupts depend on external conditions that are independent of the
How exceptions are handled in java? Exception handing In Java: A java exception is an object which describes an exceptional condition which has occurred in a piece of code.
What is a heap? The heap is an area of memory that is dynamically allocated. As a stack, this may grow and shrink throughout runtime. Not like a stack, a heap is not LIFO show
What are the limitations of mobile devices? For mobile devices we require both PC-integrated applications and specialized mobile services quite than repurposed website content.
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