Operating System (OS)
System generation:

varies in difficulty between systems
requires extensive tools to be understandable
is always very difficult
None of these
is always quite simple

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Addressing structure

None of these
are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.
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
All of these

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
A spooler is a

Program that coordinates the print job that are waiting to process
Location in memory that maintains the contents of documents until it prints
Message sent from the printer to the operating system when a print job is completed
Queue of print job that are waiting to print

ANSWER DOWNLOAD EXAMIANS APP