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A CPU receives an instruction to add two numbers: 5 and 3. What is the output after processing?

medium📝 Analysis Q4 of Q15
Intro to Computing - How Hardware Works
A CPU receives an instruction to add two numbers: 5 and 3. What is the output after processing?
AError
B8
C53
D35
Step-by-Step Solution
Solution:

  1. Step 1: Understand the instruction

    The CPU is told to add 5 and 3, which means perform arithmetic addition.

  2. Step 2: Perform the addition

    5 + 3 equals 8, so the CPU outputs 8 as the result.

  3. Final Answer:

    8 -> Option B

  4. Quick Check:

    Addition result = 8 [OK]
Quick Trick: CPU adds numbers, not concatenates digits [OK]
Common Mistakes:
MISTAKES
  • Treating numbers as strings and concatenating
  • Expecting error without reason
  • Mixing operand order

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