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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