Operating System (OS)
System maintenance:

None of these
is not required if the system is well written
always requires several programs
is necessary on all systems, regardless of how good
is usually not necessary

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Operating System (OS)
Which, of the following, is true for testing and debugging?

None of these
All of these
Testing and debugging indicate the same thing
Testing checks for logical errors in the programs, while debugging is a process of correcting those errors in the program
Testing detects the syntax errors in the program while debugging corrects those errors in the program

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