Origin: Greek prefix micro-
Microprocessor has 2 different meanings across 1 category:
integrated circuit semiconductor chip that performs the bulk of the processing and controls the parts of a system
"a microprocessor functions as the central processing unit of a microcomputer"
"a disk drive contains a microprocessor to handle the internal functions of the drive"
the entire CPU of a computer on a single integrated circuit (chip).
"The new smartphone features a powerful microprocessor that handles all calculations on a single chip within its compact design."