The arithmetic logic unit (alu) controls all of the functions performed by the computer's other components and processes all the commands issued to it by software instructions. a. true b. false

False.

Actually, above is the function of a Central Processing Unit (CPU) and not and the ALU. CPU which is the largest and the very most important chip in the computer is responsible for data processing and is the "brains" of the computer.
The main responsibility of the ALU (Arithmetic Logic Unit is) which is part of the CPU is to perform arithmetic calculations such as division and additions.