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TECHNOLOGY IN FOCUS 2: DIGITAL ENTERTAINMENT Multiple Choice: 1. ____________ is an example of video saved in an analog format. A. VHS B. HDTV C. DVD D. XM Answer: A 2. Reference: Figure 1: Analog Versus Digital Difficulty: Easy In digital recording, the recording device needs a chip called a(n) ____________, which digitizes waves into a series of numbers. A. wave-to-digital converter B. analog-to-digital converter (ADC) C. digital-to-analog converter (DAC) D. optical character recognition chip Answer: B 3. Reference: What’s So Special About Digital? Difficulty: Moderate The ____________ format shows sound as continuous waves. A. analog B. digitized C. wave D. digital Answer: A Reference: What’s So Special About Digital? Copyright © 2008 Prentice-Hall. All rights reserved. 1 Difficulty: Moderate 4. The number of times the analog wave is measured each second is called the: A. wave frequency. B. conversion rate. C. sampling rate. D. digital conversion. Answer: C 5. Reference: What’s So Special About Digital? Difficulty: Moderate The quality of a digital camera is determined by its: A. ROM. B. RAM. C. zoom. D. resolution. Answer: D 6. Reference: Digital Camera Quality Difficulty: Easy A digital camera stores the images on a(n): A. ROM chip. B. transistor. C. flash memory card. D. RAM chip. Answer: C 7. Reference: Storage of Digital Images Difficulty: Moderate Digital cameras support the ____________ file types. A. RAW and JPEG B. JPEG and GIF C. TIFF and JPEG D. GIF and TIFF Answer: A Reference: Storage of Digital Images Copyright © 2008 Prentice-Hall. All rights reserved. Difficulty: Challenging 2 8. A scanner’s resolution is measured in: A. megapixels. B. dots per inch. C. ppm. D. pixels per inch. Answer: B 9. Reference: How Do My Old Photos Become Digital? Difficulty: Moderate Photo printers for home use are available in two technologies: inkjet and: A. dot-matrix. B. digital. C. color process. D. dye-sublimation. Answer: D 10. Reference: Printing Your Photos Difficulty: Challenging All of the following are typical file formats for digital video, EXCEPT: A. .tiff B. .qt C. .avi D. .mpeg Answer: A 11. Reference: Figure 17: Typical File Formats for Digital Video Difficulty: Moderate All of the following are analog, EXCEPT: A. vinyl record albums. B. MP3 files. C. AM/FM radio. D. 35-mm single lens reflex camera. Answer: B Reference: Figure 1: Analog versus Digital Entertainment Copyright © 2008 Prentice-Hall. All rights reserved. 3 Difficulty: Moderate 12. The Federal Communications Commission(FCC) has set a target date of February 17, 2009, when all overthe-air broadcasters must transmit in ____________ format. A. wave frequency B. analog C. digital D. AM/FM Answer: C 13. Reference: What’s So Special About Digital? Difficulty: Easy The higher the number of ____________, the higher the quality of a digital camera. A. megapixels B. CCDs C. ADCs D. DACs Answer: A 14. Reference: What’s So Special About Digital? Difficulty: Moderate All of the following are digital, EXCEPT: A. CDs. B. XM Radio. C. HDTV. D. VHS tapes. Answer: D 15. Reference: Figure 1: Analog Versus Digital Entertainment Difficulty: Moderate The AVI video format is very popular and commonly accepted as the standard video format for: A. Windows Media Player. B. RealMedia. C. QuickTime. D. Moving Picture Experts Group. Answer: A Reference: Outputting (Exporting) Your Video Copyright © 2008 Prentice-Hall. All rights reserved. 4 Difficulty: Challenging Fill in the Blank: 16. Inside a playback device, the chip that converts the series of numbers to a continuous wave is called a(n) ____________. Answer: digital-to-analog-converter (DAC) 17. The ____________ camera does not use film like the 35-mm single lens reflex (SLR) camera. Answer: digital 18. Reference: Digital Photography Reference: Digital Camera Quality Reference: Processing Your Photos and Adding Special Effects Difficulty: Easy ____________ are rules implemented in either hardware or software that squeeze the same audio/video information into less space. Answer: Codecs 22. Reference: Outputting (Exporting) Your Video Difficulty: Easy Reference: Figure 17: Typical File Formats for Digital Video Difficulty: Challenging Digital video cameras are equipped with FireWire or ____________ ports to transfer the digital data from the camera to the computer. Answer: USB 25. Reference: Outputting (Exporting) Your Video File extensions .wmv and ____________ are Microsoft file formats recognized by Windows Media Player. Answer: .avi 24. Difficulty: Challenging ____________ are the letters that follow the period in a file name. Answer: File extensions 23. Difficulty: Moderate Adobe Photoshop and Corel Paint Shop Pro are two examples of ____________ software. Answer: image-editing 21. Difficulty: Moderate Scanners typically come with ____________ software that converts pages of handwritten or typed text into electronic files. Answer: optical character recognition (OCR) Reference: How Do My Old Photos… 20. Difficulty: Easy In digital cameras, the number of ____________ determines the resolution of the camera. Answer: megapixels 19. Reference: What’s So Special About Digital? Difficulty: Challenging Reference: Digital Video Difficulty: Easy Some newer digital video cameras record to ____________ instead of tape. Answer: flash memory (cards) Reference: Digital Video Copyright © 2008 Prentice-Hall. All rights reserved. 5 Difficulty: Moderate 26. The ____________ operating system makes it simple to import digital video data to a file by presenting a list of all the software packages available on your system. Answer: Windows XP (Vista) Reference: Figure 15.b. Difficulty: Challenging True and False: 27. Digital video cameras do the analog-to-digital conversion right in the camera. Answer: True 28. Difficulty: Easy Reference: Digital Photography Difficulty: Moderate Reference: Printing Your Photos Difficulty: Moderate You can use a device called a video capture device to digitize and compress analog video before passing it on to your computer. Answer: True 33. Reference: Digital Entertainment Dye-sublimation printers produce images using a heating element instead of an inkjet nozzle. Answer: True 32. Difficulty: Easy SLR cameras capture images on electronic sensors called charge coupled device arrays. Answer: False (Digital) 31. Reference: Storage of Digital Images XM Radio, HD Radio, and HDTV use analog technology. Answer: False (digital) 30. Difficulty: Moderate RAW files contain all the original data and are uncompressed. Answer: True 29. Reference: Digital Video Reference: Digital Video Difficulty: Moderate RAW files can be compressed so they are smaller than JPEG files. Answer: False Reference: Storage of Digital Images Copyright © 2008 Prentice-Hall. All rights reserved. 6 Difficulty: Easy Matching: 34. Match the following terms to their meanings: I. Adobe Premiere Elements A. image-editing program II. RAW B. digital radio format III. Corel Paint Shop Pro C. digital video-editing program IV. XM D. selection method for photo printing V. DPOF E. uncompressed image file type Answer: C, E, A, B, D Reference: Multiple sections of TIF: Digital Entertainment 35. Difficulty: Moderate Match the following acronyms to their meanings: I. DAC A. a chip inside the recording device that digitizes waves into a series of numbers II. JPEG B. a chip inside the playback device that converts numbers to analog waves III. ADC C. compression/decompression rules implemented in hardware or software IV. SLR D. compressed image file type V. Codecs E. a type of camera that uses film Answer: B, D, A, E, C Reference: Multiple sections of TIF: Digital Entertainment Copyright © 2008 Prentice-Hall. All rights reserved. 7 Difficulty: Moderate