Operating System (OS)
The FIFO algorithm

executes first the job with the least processor needs
None of these
executes first the job that first entered the queue
executes first the job that last entered the queue
execute first the job that has been in the queue the longest

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Operating System (OS)
Memory management is :

not used on multiprogramming systems
critical for even the simplest operating systems
not used in modern operating system
None of these
replaced with virtual memory on current systems

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Operating System (OS)
Scheduling is

not required in uniprocessor systems
unrelated to performance consideration
allowing jobs to use the processor
None of these
the same regard-less of the purpose of the system

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Operating System (OS)
What is the method of handling deadlocks?

Pretend that deadlocks never occur in the system
All of these
Allow the system to enter the deadlock state and then recover
Use a protocol to ensure that the system will never enter a deadlock state

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