PowerShell - Basics and Environment
You want to print the result of adding two numbers, 7 and 4, using a single PowerShell command. Which command should you use?
You want to print the result of adding two numbers, 7 and 4, using a single PowerShell command. Which command should you use?
hard📝 Application Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Understand how to calculate expressions in Write-Output
Using parentheses causes PowerShell to evaluate the expression before printing.Step 2: Evaluate each option
Write-Output (7 + 4) uses Write-Output (7 + 4), which calculates 11 and prints it.Final Answer:
Write-Output (7 + 4) -> Option DQuick Check:
Parentheses evaluate math before output = A [OK]
Quick Trick: Use parentheses to calculate before printing [OK]
Common Mistakes:
- Putting math inside quotes prints text, not result
- Writing multiple arguments without parentheses
- Using commas prints array, not sum
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