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Q. Define Input - Output operations?
Serial lines, Disks, tapes and other devices should be communicated with at a very low level. The user require only specify the device and the operation to perform on it while the system converts that request into device- or controller-specific commands. User-level programs can't be trusted to access merely devices they should have access to and to access them only when they are otherwise unused.
What is reference string We evaluate an algorithm by running it on a definite string of memory reference and computing the number of page faults. The string of memory reference
What is busy waiting? When strict alteration is done there may take place situation like two processes setting their flag as true. Therefore both of the processes have equal pr
THE PROGRAM WILL CHOOSE TWO RANDOM NUMBERS,THEN PRINT THEM OUT AS AN ADDITION PROBLEM.THE PROGRAM WILL THEN ASK THE USERTO ENTER THE CORRECT ANSWER.IF THE ANSWER IS CORRECT,THE PRO
Explain the Request or Response interface The Request/Response interface is ideal for a message based client-server interaction. By modeling components to interact via a reque
What are the common strategies to select a free hole from a set of available holes? The most common methods are a. First fit b. Best fit c. Worst fit
Second chance Algorithm When the page is chosen the reference bit is checked to see whether it has been referenced before. If that is the case after that it is given a second c
What are the different accessing methods of a file? The different types of accessing a file are: Sequential access: Information in the file is accessed sequentially
shell program for Armstrong number
Assignment What I'm covering: General control flow fork() execlp() Parameters Makefiles Additional Questions General Control Flow/fork(
To explore the UNIX file system, use basic UNIX commands and use a text editor. Task: 1. Logon to Linux. 2. Create a directory "Unix" under your home d
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