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Explain process scheduling in multiprogramming
Multiprogramming is able to be defined as a set of following features:
1. A mix of CPU bound and IO bound processes live in the system
2. An IO bound process has superior priority that a CPU bound process
3. Process priorities are static and do not change with time
4. Process scheduling is preventative a low priority running process is preempted if a higher priority process becomes ready
The following figure exemplify the process state transitions in multiprogramming
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Several schemes available are as follows: Pipes : One-way communication process through which different process can interact. The problem is that the two processes could have
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We are use to using variables within C without thinking about where they are stored. Most variables are dynamic i.e. can change, therefore they are stored in Ram, unlike a program
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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
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