Operating System (OS)
Boot startup process

Checks the computer connections
Loads system files to RAM
Clean up the computer memory
Prepare the computer ready

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Operating System (OS)
Addressing structure

performs indicated operations on two fast registers of the machine and leave the result in one of the registers.
defines the fundamental method of determining effective operand addresses
None of these
are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.
All of these

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