Operating System (OS)
Addressing structure

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

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
The term 'polling' in a computer means a process by which a computer system

None of these
decides correct alternative by analysing several ones
detects/corrects errors
multiplexes the inputs and updates the memory accordingly
inquires to see if a terminal has any transaction to send

ANSWER DOWNLOAD EXAMIANS APP