This part of the CPU is where the processing actually takes place. Arithmetic Logic Unit
Register
Control Unit

Central Process Unit

“It consists of an arithmetic and logic unit (ALU), a control unit, and various registers. The CPU is often simply referred to as the processor. The ALU performs arithmetic operations, logic operations, and related operations, according to the program instructions.” So I think C hopefully this helps

The correct answer is: making up measurement to record

Some of her  assignments would be creation of drugs. she is a medical chemist after all so she'd need to have the necessary knowledge to make medicine which can later be sold in a pharmacy