Operating System (OS)
The Memory Address Register

is a hardware memory device which denotes the location of the current instruction being executed.
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
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.

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Trojan-Horse programs

do not usually work
are hidden programs that do not show up on the system
None of these
are legitimate programs that allow unauthorized access
usually are immediately discovered

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
The advantage(s) inherent to using high level languages is (are)

None of these
All of these
Improved debugging capability, and superior documentation
Fewer people, less management and shorter transition in learning time
A greater degree of machine independence

ANSWER DOWNLOAD EXAMIANS APP