Operating System (OS)
The memory allocation scheme subject to "external" fragmentation is

multiple contiguous fixed partitions
swapping
None of these
segmentation
pure demand paging

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Operating System (OS)
Operating system

All of these
provides a layered, user-friendly interface
enables the programmer to draw a flowchart
links a program with the subroutines it references
None of these

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

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

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