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Differentiate between protection and security.
Operating system contains a collection of objects, software or hardware. All objects have a unique name and can be accessed by a well-defined operations set. Protection problem - make sure that each object is accessed appropriately and only by those processes which are allowed to do so.
Security should notice external environment of the system, and protect this from:
I. Unauthorized access.
II. malicious modification or destruction
III. Accidental introduction of inconsistency.
When transferring one function to another, what is meant by the guest function? A pointer to a function can be passed to another function as an argument. This allows
The NAND gate. The NAND gate is equivalent to an AND gate followed by a NOT gate so that the output is 0 when all of the inputs are high, otherwise the output is 1. There may
Q. Evaluate Total expense of algorithm? Lastly, the total expense of algorithm is a product of the total number of processors required for computation and time complexity of th
Explain how SAP GUI handles output screen for the user. The SAP front-end s/w can either run on the similar computer or on dissimilar computers given for that purpose. User t
Question: (a) Software may be categorized into System software and Application software. Differentiate between these two categories, using examples to support your answer.
Consider that a list of record or a table is stored in the memory and you wish to find some information in that particular list. E.g. the list comprises three fields as displayed b
What are interrupts? Interrupt: An interrupt is a hardware mechanism which enables an external device, classically input/output devices, to send a signal to the CPU. An int
What is the functionality of Remote Login? Remote Login gives similar functionality of telnet, along with the added functionality of not involving a password from trusted cli
Can we create a gui status in a program from the object browser? Yes. You can make a GUI STATUS in a program using SET PF-STATUS.
Write a program that finds the minimum total number of shelv, C/C++ Programming
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