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Study Guide Answers

1.     Digital photography eliminates the need to develop pictures. True or false?
     true
2.     Where does a digital camera store the images that it takes?
     on a floppy disk, on a memory card, or on a compact disk
3.     Memory cards cannot be reused. True or false?
     false
4.     Where can pictures be transferred, once a memory card is filled?
     to a computer
5.     CDs hold less information than a floppy disk does. True or false?
     false/ They can store much more information.
6.     Where can a photographer see the picture that he or she is about to take?
     on a small display screen
7.     Digital pictures can be posted on the Internet in moments. True or false?
     true
8.     All images captured by a digital camera become __________________________ documents.
     electronic
9.     Why is digital photography more environmentally friendly than traditional photography is?
     Because no chemicals are used to create pictures, there is no need to dispose of harmful substances.
10.     What does an "image sensor" do?
     It captures and stores pictures.
11.     Image sensors are _______________________________________.
     silicon chips
12.     What is the camera's "shutter speed"?
     the length of time the shutter of the camera is open and allows light to strike the image sensor
13.     What are "pixels"?
     millions of tiny squares that compose the image
14.     The word, "pixels," is short for "_________________________________________."
     picture elements
15.     Each pixel is captured by a single __________________________________.
     photosite
16.     "Resolution" is ______________________________________________________________.
     the number of pixels contained in a photographic image
17.     Low resolution pictures are sharper than high resolution pictures are. True or false?
     false/ High resolution pictures are sharper.
18.     Digital camera resolution quality is often measured how?
     in terms of "mega pixels"
19.     High resolution pictures take up an enormous amount of __________________________________.
     memory space
20.     What three things do all digital cameras set for you?
     focus, exposure, white balance
21.     To get a closer frame cropping, what feature on your camera should you use?
     the "zoom-in" feature (or telephoto button)
22.     What feature prevents blurry or fuzzy pictures?
     auto-focus
23.     You can take elements from one picture and add them to another picture. True or false?
     true
24.     Reducing what will make a picture smaller in size?
     the number of pixels
25.     Enlarging an image to five times the original size will cause image quality to ___________________.
     degrade
26.     When you "crop" a picture, what do you do?
     You cut out parts of the image that you do not want to include in the picture.
27.     Your home printer can be used to print your digital pictures. True or false?
     true
© Educational Video Network, Inc. 2005 - www.evndirect.com
Your leading source for curriculum-based educational videos and DVDs.