Operating System (OS)
The function of Dir/W is

Shows only directory
All of the listed here
Show only file name and directory name
Show all details of file

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
The Register - to - Register (RR) instructions

have both their operands in the main store.
which perform an operation on a register operand and an operand which is located in the main store, generally leaving the result in the register, except in the case of store operation when it is also
None of these
which perform indicated operations on two fast registers of the machine and leave the result in one of the registers.
All of these

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.
All of these
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.

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Operating System (OS)