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Which number system is based on only two digits and is fundamental to computer operations?

easy Q1 of 15
Computer Aptitude - Computer Fundamentals
Which number system is based on only two digits and is fundamental to computer operations?
ABinary
BDecimal
COctal
DHexadecimal
Step-by-Step Solution
  1. Step 1: Identify the base

    The question mentions only two digits.
  2. Step 2: Recall computer fundamentals

    Computers operate using 0 and 1.
  3. Final Answer:

    Binary → Option A
  4. Quick Check:

    Two states (ON/OFF) → binary confirmed ✅
Quick Trick: Two digits only → Binary.
Common Mistakes:
MISTAKES
  • Choosing decimal due to daily usage.
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