What Is the Arithmetic Logic Unit

question 67

Multiple Choice

What is the arithmetic logic unit?

• A) The actual hardware that interprets and executes the program (software) instructions and coordinates how all the other hardware devices work together
• B) Interprets software instructions and literally tells the other hardware devices what to do, based on the software instructions
• C) A type of CPU that can recognize as many as 100 or more instructions, enough to carry out most computations directly
• D) Performs all arithmetic operations (for example, addition and subtraction) and all logic operations (such as sorting and comparing numbers)

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Definitions:

Solute

Substance that is dissolved in a solvent, forming a solution.

Solvent

Liquid portion of a solution that serves to dissolve a solute.

Solution

Fluid (the solvent) that contains a dissolved solid (the solute).

Tonicity

The ability of a surrounding solution to cause a cell to gain or lose water, depending on the concentration of solutes.