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

have both their operands in the main store.
None of these
which perform indicated operations on two fast registers of the machine and leave the result in one of the registers.
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
All of these

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
File record length

Should always be variable
None of these
depends upon the size of the file
should always be fixed
should be chosen to match the data characteristics

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Which of the following refers to the associative memory?

None of these
the address of the data is generated by the CPU
the address of the data is supplied by the users
there is no need for an address i.e. the data is used as an address
the data are accessed sequentially

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