Operating System (OS)
Indicate which, of the following, is not true about Nassi-Shneiderman charts

All of these
These charts are type of graphical design tool
These charts cannot represent CASE constructs
None of these
These charts can represent three fundamental control structures

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Operating System (OS)
All of the following are task performed by the operating system except

Controlling the access that application program has to the CPU
Managing hardware on the computer
Performing housekeeping task like file compression and disk defragmentation
Provides an interface for user to interact with computer

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