🔍 Key Concepts

• Microprocessor architecture basic blocks (control unit, ALU, registers, memory) • What functions are usually grouped together as "arithmetic" and "logic" inside a CPU • How abbreviations in electronics/computing usually reflect the main function of a unit

💭 Think About

• In a processor, what dedicated part actually performs addition, subtraction, comparisons, AND/OR, etc.? Which option’s wording best matches that role? • Look at each choice: which ones sound like real, standard engineering terms you’ve heard in electronics or computing, and which sound made‑up? • If a unit is responsible for calculations and decision operations, what two broad categories of operations does it handle?

✅ Before You Answer

• Make sure the option you choose clearly suggests both arithmetic and logical operations, not just one or something unrelated • Check whether the phrase is a commonly used technical term in computer or microprocessor textbooks • Eliminate any options that describe actions unrelated to calculations, such as locking/unlocking or vague "answer" functions