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A three stage network is realized by using switching matrices of size p x s in stage 1, r x r matrices in stage 2 and s x p matrices in stage 3. Using the Lee's probability graph s
Differentiate between message switching, packet switching and circuit switching Message switching: Recourse computer sends data to switching office that stores the data in
Q. Definition of Decision support system? Definition of DSS: A decision support system is a specific kind of information system which is an interactive system that supports in
Q. What is Presentation layer? Presentation layer: When two hosts are communicating with each other they might use different coding standards and character sets for represent
Explain Readers-writers problem. Readers-writers problem: Assume that a data object (as a file or record) is to be shared between several concurrent processes. The readers ar
Perform multiplication with showing the contents of accumulator, B register and Y register during each step. (Accumulator, B, Y are 4-bit registers) B=06 Y=02
Explain with the help of examples FIFO algorithms? FIFO policy: This policy easy removes pages in the order they arrived into the main memory. By using this policy we easily
What is a Map? A Map is an Array, which having the addresses of the free space in the swap device that are allocatable resources, and the number of the resource units available
What is a shell? A shell is an interactive user interface to an operating system services that permits an user to enter commands as character strings or by a graphical user int
Define the term- encryption The user would then type in O P E and card purchase will be authorised. This extra protection is used as well as encryption. Some of the new syste
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