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Why do computers use bits and bytes instead of decimal numbers internally?

hard📝 Conceptual Q10 of 15
Intro to Computing - How Data is Represented
Why do computers use bits and bytes instead of decimal numbers internally?
ABecause decimal numbers are slower to calculate
BBecause bits and bytes are easier to represent with electrical signals
CBecause bits and bytes use less memory than decimal
DBecause decimal numbers cannot represent letters
Step-by-Step Solution
Solution:

  1. Step 1: Understand computer hardware basics

    Computers use electrical circuits that have two states: on and off.

  2. Step 2: Connect states to bits

    Bits represent these two states as 0 and 1, making it simple to store and process data.

  3. Step 3: Compare with decimal

    Decimal requires more complex representation, not suited for simple electrical signals.

  4. Final Answer:

    Because bits and bytes are easier to represent with electrical signals -> Option B

  5. Quick Check:

    Bits = electrical on/off states [OK]
Quick Trick: Bits match on/off electrical states [OK]
Common Mistakes:
  • Thinking decimal is faster or smaller
  • Confusing memory use with representation

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