CIW lesson 5
Which video file format is the standard format for the Windows platform?
.avi
What is the file type that Google Chrome extensions use?
.crx
Which video file format is the Macintosh native movie platform?
.mov
Which video file format is the standard format for movies on the Internet?
.mp4
Which video file format is a royalty-free, open video and audio format that is supported by Google?
.webm
What is the main difference between a PostScript (PS) file and an Encapsulated PostScript (EPS) file?
A PS file contains instructions that determine the display of the graphic, whereas an EPS file includes the bitmap information for the image as well.
To enhance the web experience and display the multimedia on your system, which of the following is essential?
A sound card, speakers and a video card
What is the alternate name for extensions in Mozilla Firefox?
Add-ons
Which of the following formats for graphics is provided by EPS?
All of these
What is lossless compression?
All the original data can be recovered when the file is decompressed
What is a viewer?
An application used to retrieve a file when the program needed to open the file type is not installed on your computer
Which of the following legacy plug-ins could be used to show MOV files, which can combine video, animation, text and audio into one file?
Apple QuickTime
What kind of file formats are .au, .mp3, .aiff and .wav?
Audio
Which is a standard video file format for Microsoft Windows?
Audio Video Interleave (AVI)
Which language is considered the best language for creating large applications?
C++
What is the term for an algorithm used by HTML5 to compress and decompress files?
Codec
Samson needs to review several promotional product videos from his company's marketing department immediately, before a meeting to discuss revisions. Samson tries to view the videos on his computer using his Windows Media Player, but they will not play. The video files are in RealMedia format. What should Samson do in order to view these videos?
Convert the video files to the WMV format, because RealMedia files will not play in Windows Media Player.
What kind of file formats are .txt, .pdf and .rtf?
Document
______ acts as an intermediary that ensures no information will be lost during conversion from one format to another.
EPSI
Which of the following is not a benefit of HTML5?
Establishes ways to enable the drag-and-drop capability for Webpages using third-party add-ons
What are small software programs that are built to interact with Web technologies through your browser?
Extensions
What are add-ons?
Extensions and plug-ins used to extend the functionality of the Firefox Web browser
What is a security risk that comes with downloading extensions?
Extensions can disguise themselves as legitimate programs while actually acting as malware.
Which audio file format is considered lossless?
FLAC
You are using Firefox as your default browser and you want to customize it to better suit your browsing habits. What extensions specific to Firefox can you use to accomplish this?
Firefox add-ons
Which of the following graphics file formats uses lossless compression and is limited to 256 colors?
GIF
Geolocation is the ability of developers to retrieve geographical location information for a client-side device. One example is using a mobile device's ______ to determine the device's location, which allows Web services to be provided based on the client's location.
GPS
What kind of file formats are .gif, .jpg, .png and .tif?
Graphics
Client-side JavaScript must reside in or be called by which of these?
HTML documents
What relatively new W3C standard has essentially eliminated the need for browser plug-ins?
HTML5
Harley works in the sales department at his company. He feels that the company's marketing team is not doing a good job, so without direction or permission, he starts his own social networking page to help. His page has a name similar to the company's. He posts company logos on it and uses text copied from the company Website. He posts news and sends tweets to customers and others interested in the company. When the company learns of this, what action is it most likely to take?
Human Resources will issue a cease-and-desist letter, take control of Harley's page, and terminate Harley's employment for copyright and trademark infringement.
Which of the following is a weakness of Python?
It is traditionally slower than other languages.
Which of the following statements is true about plug-ins?
It is used to extend Web browser functionality by allowing various file formats to be viewed on a Webpage.
Which of the following statements is true about compression?
It is used to reduce the size of data files.
Which of the following is true about client-side JavaScript?
It needs HTML to run.
Which of the following graphics file formats is widely used for complex graphics because it uses lossy compression and supports 16 million colors?
JPEG
Which of the following languages is an object-oriented programming language developed by Sun Microsystems that is often used when data needs to be shared across a network?
Java
Which of the following is considered an event-driven scripting language?
JavaScript
Which scripting language is the precursor to JavaScript?
LiveScript
A programmer wants to compress a large program before sending it as an email attachment. Which of the following statements is true about the given scenario?
Lossless compression must be used to compress the file in order to prevent program corruption.
You want to give your Website users the ability to view high-quality video. Connection speed is not an issue. Which file format could you use?
MPEG
Which of these is NOT a type of extension?
Microsoft Silverlight
What are examples of copyright infringement? Each correct answer represents a complete solution. Choose all that apply.
Modifying and reproducing someone's creative work without making significant changes Uploading someone's copyright-protected material to an accessible web page and this is correct answer Downloading licensed software from an unauthorized site
What is the term for an element on a Webpage that contains data and procedures for how that item will react when activated?
Object
What is the term for the programming concept in which a program is handled as a collection of individual items that perform separate functions, rather than as a sequence of statements that performs a specific task?
Object-oriented programming
Which of the following audio file formats is a free, open-source alternative to the MP3 format?
Ogg Vorbis
You use a proprietary Windows-based program to create designs and layouts for your freelance greeting card business. You want to share samples of your work on your Website for potential new customers to review. You convert the file format of your designs so that customers can view accurate renderings of them, regardless of the local operating system, settings or browser each individual uses to view your site. Which file format should you use?
Which of the following graphics file formats is written in a page description language that is unreadable, and can be printed only on a specific type of printer?
PS
Which file format retains document formatting information through all platforms and can view on any computer, regardless of the local operating system?
Portable Document Format (PDF)
Which file format retains formatting information through all platforms and downloads quickly from the Web?
Portable Document Format (PDF)
Which of the following languages is an object-oriented programming language that is seen as easy to use and flexible?
Python
Which of the following plug-ins was created by Apple Computer for running video and audio files?
QuickTime
What is the legacy plug-in created by Apple Computer for running video files and audio files?
Quicktime
What is the main benefit of using Rich Text Format (RTF)?
RTF is compatible with many operating systems and applications, including most Macintosh and Windows word processors.
How can you view a Webpage, including all related images, fonts and scripts referenced by the HTML on the page, without connecting to the Internet?
Save the Webpage content to your hard disk.
What is lossy compression?
Some of the information is permanently eliminated
Which file format is a popular, customizable graphics format commonly used for medical imaging and desktop publishing?
TIFF
Which format would be the most appropriate for you to use if you want to send your resume to several large employers who are likely to enter the information you provide into keyword-searchable resume databases and applicant tracking systems?
Text format
Which of the following statements are true about lossless compression? Each correct answer represents a complete solution. Choose all that apply.
The JPEG file format can be compressed using lossy compression because some loss is acceptable when the image is uncompressed. When the file is decompressed, only part of the original information is still there.and this is marked as correct It reduces the file size by permanently eliminating some of the original data.
Stephen is creating video tutorials to sell his company's products. The target audience will consist of company employees using primarily new computers with the Windows operating systems and Internet Explorer 9. Stephen is debating whether to publish the videos using the MP4 or the OGG video format. Both formats are compatible with the HTML5 video element, which he is using in his tutorials. Which of the following would be a reason for Stephen to choose one format over the over?
The MP4 video format is natively supported by Internet Explorer 9 and does not require a plug-in.
What is the main advantage of the WebM video file format?
The WebM file format is open-source and effectively competes with proprietary file types.
What is an extension?
The evolution of plug-in technology designed to supplement and improve your Web experience.
Which statement about compressing JPEG files is true?
The more compression, the smaller the file size, but the lower the image quality.
Why is the acceptance of HTML5 in the Web community a benefit to users of mobile devices?
The use of HTML5 can help conserve battery power.
Why are audio and video files compressed before they are transferred across the Internet?
To shorten the amount of time required to download them
What is the primary goal of an extension?
To supplement multimedia content in Websites
What kind of file formats are .avi, .mp4, .ogg, .webm and .mov?
Video
Viewers are scaled-down versions of applications and usually do not have the full application's functionality. Which choice describes tasks you can generally perform using a viewer?
View and print documents, but not edit them
Which audio file format is the native sound format for Windows?
Waveform (WAV)
Which is the native audio format for Microsoft Windows?
Waveform (WAV)
Which file format is a royalty-free, open video and audio format that is sponsored by Google?
WebM
In what circumstance would legacy plug-ins be useful in modern day web browsing?
When browsing websites that are not built with HTML5 technologies.
Most browsers are able to save:
all images, fonts and scripts referenced by the HTML on a page.
Compression is performed by a program that uses an algorithm to specify compression or decompression instructions for a given file. HTML5 uses a special algorithm called a ______ to create streaming media.
codec
One of the major goals of HTML5 is to:
eliminate the use of browser plug-ins.
Plug-ins are useful for:
extending a browser's capabilities.
Copyright laws protect:
original works of authorship online as well as in print.
