Since the advent of HTML5, which choice accurately describes a difference between a mobile app and a mobile Web site?

Question

Options

• AA mobile Web site is faster because it uses the mobile phone's default browser.
• BA mobile app is faster because it does not necessarily use the browser.
• CA mobile Web site cannot create an immersive experience for users.
• DA mobile app can be used on any operating system.

• B
  90% (19)
• C
  5% (1)
• D
  5% (1)

Explanation

Option B is correct because native mobile apps run directly on the device's operating system, leveraging compiled code and direct hardware access - they don't route through a browser engine, which eliminates browser overhead and enables faster execution and smoother performance.

Why the distractors fail:

• A is wrong because using the default browser is actually a constraint, not a speed advantage - browser rendering adds overhead compared to native execution.
• C is wrong because HTML5 introduced powerful APIs (canvas, audio, video, geolocation) that enable rich, immersive experiences in mobile Web sites; this was a key motivation for HTML5.
• D is wrong because native apps are typically platform-specific - an iOS app won't run on Android without a separate build; cross-platform compatibility is actually a strength of mobile Web sites, not apps.

Memory tip: Think of a mobile app as a car with a direct engine, while a mobile Web site is a car that must first pass through a toll booth (the browser) - the direct route is always faster.

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