Operating System (OS)
Which of the following terms refers to the degree to which data in a database system are accurate and correct?

data independence
data security
None of these
data validity
data integrity

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Operating System (OS)
The advantage(s) of incorporating the macro processor into pass 1 is(are):

None of these
Functions are combined and it is not necessary to create intermediate files as output from the macros processor and input to the assembler.
All of these
many functions do not have to be implemented twice.
more flexibility is available to the programmer in that he may use all the features of the assembler in conjunction with macros.

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Operating System (OS)
A real time operating system is most likely to be used for which of the following task?

Ensuring that system clock works correctly on server
Managing the access to system files in a laptop computers
Controlling the fuel injection system of an automobile engines
Controlling access to a shared printer in a network

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Operating System (OS)
A co-processor

Is quite common in modern computer
Is relatively easy to support in software
Causes all processor to function equally
Works with any application

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