Operating System (OS)
Which, of the following is not true about the description of a decision table?

A decision table is easy to understand
A decision table is easy to modify
A decision table is directly understood by the computer
All of these
None of these

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

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

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Operating System (OS)
File record length

Should always be variable
None of these
should be chosen to match the data characteristics
depends upon the size of the file
should always be fixed

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