Question

IOPL stands for ________

(a) Input/Output Privilege level

(b) Input Output Process Link

(c) Internal Output Process Link

(d) Internal Offset Privilege Level

I had been asked this question during an interview.

This interesting question is from Intel IA-32 Pentium Architecture-1 in division Processor Families of Computer Architecture

Answer 1

Correct option is (a) Input/Output Privilege level

The explanation: This indicates the security between the transfers between the I/O devices and memory.