Operating System (OS)
The process of transferring data intended for a peripheral device into a disk (or intermediate store) so that it can be transferred to peripheral at a more convenient time or in bulk, is known as

spooling
multiprogramming
caching
virtual programming
None of these

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Operating System (OS)
Operating system

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

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