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WP Chapter 5
Terms and Facts
46
Computer Science
10th Grade
10/07/2008

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Cards

Term
Works best for continuous tone images, like photographs
Definition
JPEG
Term
Works best for images with a few solid colors, and images with lines, like logos, clip art, and small text in images
Definition
GIF
Term
Can represent images with up to 16 million different colors.
Definition
JPEG
Term
Can represent images up to 256 different colors.
Definition
GIF
Term
Is a "lossy" format because to reduce the file size, it throws away some information about the image.
Definition
JPEG
Term
Compresses the file to reduce its size, but doesn't throw anything away. So it is a "lossless" format.
Definition
GIF
Term
Does not support transparency.
Definition
JPEG
Term
Allows one background color to be set to "transparent" so that anything underneath the image will show through.
Definition
GIF
Term
What element do you use to place images in your Web page?
Definition
element
Term
How do browsers treat elements?
Definition
After reading the HTML page, the browser retrieves each image from the Web server and displays it.
Term
What are thumbnails?
Definition
Small images that the user can click on to see the large version of the image.
Term
If you have more than a couple of large images on a Web page, how do you make the Web page more usable and faster?
Definition
By creating thumbnails
Term
What type of element is the element?
Definition
An inline element
Term
What is an inline element?
Definition
An element that the browser doesn't put a linebreak before or after an image.
Term
What is the src attribute?
Definition
It is how you specify the location of the image file.
Term
How do include images from your own site on a Web page?
Definition
You can include images from your own site using a relative path in the src attribute, or images from other sites using a URL.
Term
What is the alt attribute of an element?
Definition
The alt attribute of an element is a meaningful description of the image.
Term
What dose the alt attribute do?
Definition
It is displayed in some browsers if the image can't be located, and is used by screen readers to describe teh image for the visually impaired.
Term
What is a good rule of thumb for the size of photo images in a Web page?
Definition
Less than 800 pixels
Term
What is one of the many photo editing applications you can use to resize your images?
Definition
Photoshop Elements
Term
What makes Web pages diffult to use and slow to download and display?
Definition
Images that are too large for the browser
Term
The smallest dot that can be represented on the screen.
Definition
A pixel
Term
Two formats for images that are widely supported by Web browsers.
Definition
JPEG and GIF
Term
You use Photoshop Elements to do this to images.
Definition
Resize
Term
The alt attribute improves this.
Definition
Accessibility
Term
Newcomer image format.
Definition
PNG
Term
With JPEG you can control this.
Definition
Quality
Term
The larger the image the _______ it takes to transfer it.
Definition
Longer
Term
Small images on a page.
Definition
Thumbnails
Term
Technique for softening edges of text.
Definition
Antialias
Term
Most Web servers retrieve images this way.
Definition
Concurrently
Term
Web server makes a request for each one of these.
Definition
Image
Term
GIF has it, JPEG doesn't.
Definition
Transparency
Term
Better for photos with continuous tones.
Definition
JPEG
Term
Format best for photographs and complex images.
Definition
JPEG
Term
Format is best for logos and other simple graphics with solid colors, lines or text.
Definition
GIF
Term
______ images can be compressed at a variety of different qualities, so you can choose the best balance of quality and file size for your needs.
Definition
JPEG
Term
Image format allows you to make an image with an transparent background.
Definition
GIF
Term
In Photoshop Elements, use the _____ color menu in the "Save for Web" dialong to choose the right color for softening the edges of your transparent GIF image.
Definition
Matte
Term
Can be used as links to other Web pages.
Definition
Images
Term
Images that are too large for the browser make Web pages [a] to use and [b] to download and display.
Definition
  • [a]= difficult
  • [b]= slow
Term
Use the _______ element to place images un your web page.
Definition
img
Term
__________ is the software you used in class to resize your images.
Definition
Photoshop
Term
The ___ attribute is how you specify the location of the image file.
Definition
src
Term
To create a link from an image, use the [a] element as the content of an [b] element, and put the link in the href attribute of the [c] element.
Definition
[a] = img
[b] = a
[c] = a
Term
When you include images on your website that come from other sites you should use a ________ path.
Definition
Absolute
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