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

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

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Operating System (OS)
The function(s) of file system is (are):

to provide for long and short term storage of files with appropriate economic tradeoffs.
to provide complete file naming freedom to the users and to permit controlled sharing of files
None of these
All of these
to provide security against loss of information due to system failure

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Operating System (OS)
The instruction register

None of these
contains the address of the memory location that is to be read from or stored into.
is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.
contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".
is a hardware memory device which denotes the location of the current instruction being executed.

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