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What are the basic building blocks of computer graphics?
A. Pixels
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Which type of graphics can increase in size without a decrease in resolution?
B. Vector graphics
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Which type of compression reduces file size by decreasing the level of detail of the image?
D. Lossy
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Which image format is best for compressing a highly detailed photograph?
C. JPEG, which uses lossy compression
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How does SVG store data about images?
D. As XML
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What's a device-independent pixel?
D. The variable-sized pixels (also known as dots and points) that CSS uses
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What's the correct name for the area of the browser where content displays?
D. Viewport
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What's the name of the HTML meta tag that you'd use to adjust the viewport?
A. viewport
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What meta tag can you use on iOS to open a Web app in full-screen mode?
B. apple-mobile-web-app-capable
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Touching the screen triggers which touch event?
A. touchstart
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How does caching improve performance?
B. By reducing latency
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What is performance tuning?
C. Optimizing an app's use of resources to improve performance
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What is perceived speed?
C. How fast the app feels to the user
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Which tool can you use to get recommendations on ways to improve the performance of a Web app?
B. Audits
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How does loading JavaScript last (instead of first) improve perceived speed?
A. By causing the browser to display the page before the JavaScript finishes loading
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Why are app stores important?
A. They simplify the process of distributing apps and accepting payment for them
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What is the official name of the PhoneGap open source project?
B. Cordova
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What languages can you use for building PhoneGap apps?
A. HTML, CSS, and JavaScript
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How does PhoneGap generate native apps for multiple operating systems?
A. It wraps your HTML5 code with a native wrapper for each platform
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Where will a native PhoneGap app for iOS run?
A. Only on iOS
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