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A program receives a number as input, adds 3, then outputs the result. If the input is 7, what will be the output?

medium📝 Analysis Q5 of Q15
Intro to Computing - What is Computing
A program receives a number as input, adds 3, then outputs the result. If the input is 7, what will be the output?
A4
B7
CError
D10
Step-by-Step Solution
Solution:

  1. Step 1: Note the input value

    The input number is 7.

  2. Step 2: Perform the process

    Add 3 to the input: 7 + 3 = 10.

  3. Final Answer:

    10 -> Option D

  4. Quick Check:

    Output = Input + 3 = 10 [OK]
Quick Trick: Add 3 to input for output [OK]
Common Mistakes:
MISTAKES
  • Subtracting instead of adding
  • Using input as output

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