FC0-U71 Tech Concepts and Terminology Practice Question
A programmer writes a loop that performs a bitwise AND operation between the byte 0b11001100 and the mask 0b00001111. What is the result in decimal?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
12
0b11001100 AND 0b00001111 = 0b00001100 = 12 decimal.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
204
Why it's wrong here
That is the decimal of the first operand.
- ✗
0
Why it's wrong here
Incorrect.
- ✓
12
Why this is correct
Correct result.
- ✗
15
Why it's wrong here
That is the decimal of the mask.
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