Operating System (OS)
Operating system

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

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Operating System (OS)
Identify false statement

You can find deleted files in recycle bin
You can right click and choose Empty Recycle Bin to clean it at once
You can restore any files in recycle bin if you ever need
You can increase free space of disk by sending files in recycle bin

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Operating System (OS)
The advantage of a command processor running only built-in commands is:

users can create system programs and run them as commands
None of these
the command set being common across different hardware configurations
the processing is much faster than would other-wise be the case when user defined commands are used
flexibility to the users in running lists of commands by simply collecting them in named batch command files

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