Developer Tools — Test 1
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Question 1
Which key opens the developer tools in Chrome, Edge, and Firefox on Windows?
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Question 2
In Safari on macOS, what must be done before the Web Inspector is available?
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Question 3
Which DevTools panel shows every HTTP request, with its status, size, and timing?
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Question 4
Which tool built into Chrome DevTools audits performance, accessibility, best practices, and SEO?
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Question 5
Which shortcut toggles the device (responsive design) mode in Chrome or Firefox DevTools?
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Question 6
Which shortcut shows a page's source code in most desktop browsers?
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Question 7
Where can you see uncaught JavaScript errors from a page?
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Question 8
Which internal page shows Firefox's advanced configuration preferences?
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Question 9
Which shortcut reopens the last closed tab in Chrome, Edge, and Firefox?
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Question 10
Which shortcut opens a private window in Firefox?
FPSC- Programmer (BS-17) - Pakistan Meteorological Department (PMD) Model Papers - 2026