Operating System (OS)
The register or main memory location which contains the effective address of the operand is known as

special location
pointer
None of these
scratch pad
indexed register

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
All of the following are task performed by the operating system except

Provides an interface for user to interact with computer
Managing hardware on the computer
Controlling the access that application program has to the CPU
Performing housekeeping task like file compression and disk defragmentation

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Addressing structure

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

ANSWER DOWNLOAD EXAMIANS APP