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Optimal Page Replacement Algorithm
The optimal page replacement algorithm that as well known as OPT is an algorithm which works as follows: while a page needs to be swapped in, operating system swaps out the page whose next use will take place farthest in the future. For instance, a page that is not going to be utilized for the next 6 seconds will be swapped out over a page that is going to be utilized in next 0.4 seconds.
Whenever we compile with -g option, it will make a symbol table, and according that table for every function and line it will call ptrace.
Write down different system calls for performing different kinds of tasks. The major types of system calls are given as: Process Control: These kinds of system calls are
What are the type of Internet connection When determining requirements for a VPN, carefully estimate the number of systems to be put behind the VPN, the number of concurrent u
Shell is the exclusive feature of? Ans. Shell is the exclusive feature of UNIX.
Q. Show the Dynamic Range and Colour Depth? Dynamic Range is the number of colours a colour scan or number of grays a monochrome scanner can distinguish. The dynamic range is t
What is the sequence in which resources may be utilized? Under normal mode of operation, a process might be utilize a resource in the following sequence: • Request: If the
When the set of input data to an even parity generator is 0111, the output will be ? Ans. Into even parity generator if number of one is odd then output will be 0.
Q. What is Pure semiconductors? Pure semiconductors, known as intrinsic semiconductors, have very few charge carriers and may hence be classified as almost insulators or very p
Demonstrate how a typical DMA controller can be interfaced to an 8086/8085 based maximum mode system. For 8088 in maximum mode: The RQ/GT0 and RQ/GT1 pins are used to is
Q. Explain about Associative Memory Organisations? The associative memory is arranged in w words with b bits per word. In w x b array, every bit is known as a cell. Every cell
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