COGNITIVE ASSESSMENT What Are the Roles of the Control Unit

question 148

Multiple Choice

COGNITIVE ASSESSMENT What are the roles of the control unit and the ALU?

• A) The control unit directs the operations of the ALU.
• B) The ALU directs the operations of the control unit.
• C) The ALU acts as a traffic cop and the control unit coordinates most operations in the computer.
• D) The ALU carries out different operations based on comparing items and the control unit ensures the results of the comparisons are accurately interpreted.

---

Definitions:

Protons

Protons are subatomic particles found in the nucleus of an atom with a positive electric charge.

Electrons

Subatomic particles with a negative charge, found in all atoms and playing a key role in chemical reactions and electricity.

Hydrogen Bonding

A weak type of chemical bond that is common in water and organic compounds, forming between a hydrogen atom and a more electronegative atom.

Compound

Substance having two or more different elements in a fixed ratio.