PCB Design - Design Review and Testing
A design review checklist script has this line: 'if missing_connections >= 0 then flag_error = true'. The script flags errors when missing_connections equals zero. What is the likely error?
A design review checklist script has this line: 'if missing_connections >= 0 then flag_error = true'. The script flags errors when missing_connections equals zero. What is the likely error?
medium📝 Formula Fix Q6 of 15
Step-by-Step Solution
Solution:
Step 1: Analyze the condition logic
The condition 'missing_connections >= 0' flags errors even when count is zero.Step 2: Understand zero means no errors
If missing_connections = 0, no errors exist, so flag should not be true.Final Answer:
The condition should be '> 0' to flag only positive errors -> Option CQuick Check:
Flag errors only if count > 0 [OK]
Quick Trick: Use '> 0' to flag existing errors, not zero [OK]
Common Mistakes:
MISTAKES- Using '>= 0' flags no errors as errors
- Checking for negative counts which don't exist
- Misspelling variables causing script failure
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