Operating System (OS)
Which of the following is not true about documentation?

Documentation increases the maintenance time and cost
None of these
Documentation, of a system, should be as clear and direct as possible
All of these
Documentation gives better understanding of the problem

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Operating System (OS)
What is the meaning of "Hibernate" in Windows XP/Windows 7?

Restart the Computer in hibernate mode
Shutdown the Computer without closing the running applications
Shutdown the Computer terminating all the running applications
Restart the Computer in safe mode

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Operating System (OS)
A public key encryption system

allows anyone to decode the transmission
allows only the correct receiver to decode the data
allows only the correct sender to decode the data
None of these
does not encode the data before transmitting it

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Operating System (OS)
The Memory Address Register

contains the address of the memory location that is to be read from or stored into.
is a hardware memory device which denotes the location of the current instruction being executed.
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".
None of these

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