Images

Question 0

Is JPEG a lossy?

Answer 0

Yes

Question 1

What do you use JPEG for?

Answer 1

Photos and complex graphics

Question 2

Does JPEG support transparencies or animation?

Answer 2

No

Question 3

What type of images does GIF work best for?

Answer 3

Images with a few solid lines and colors

Question 4

Which of these is true about GIF?

Answer 4

Up to 256 colors
Lossless
Limited transparencies

Question 5

Which media type allows transparencies and can use millions of different colors?

Answer 5

PNG

Question 6

What are the settings for colors?

Answer 6

8
24
32

Question 7

Which element provides a way to specify the location of the image that needs to be displayed on that page?

Answer 7

img

Question 8

How are image sizes expressed?

Answer 8

Pixel height and pixel width

Question 9

How many pixels to every inch?

Answer 9

96

Question 10

How wide are most web pages?

Answer 10

800 pixels

Question 11

What is the size of the CSS pixel?

Answer 11

1/96th of an inch (96 PPI)

Question 12

A 3” H x 3”W image is how large in pixels?

Answer 12

3 inches x 96 pixels = 288 pixels

Therefore 288 x 288 pixels

Question 13

How do you make text or an image into a link?

Answer 13

Put an “a” element around it

Question 14

What does the technique anti-aliasing do?

Answer 14

Soften the jagged edges of text relative to the background color

Question 15

What does the matte option do?

Answer 15

Allows you to select the color got

R the matte around the text. It smooths out the edges of a text logo, for example.

Question 16

What does the src attribute do?

Answer 16

Specifies the location of the image file

Question 17

What is the alt attribute?

Answer 17

A meaningful description of the image

Question 18

Which media type is best for logos and simple graphics?

Answer 18

GIF or PNG

Question 19

What are the advantages of PNG?

Answer 19

Has better transparency control
Has more colors:
PNG 8: 256 colors (same as GIF)
PNG 16: thousands of colors
PNG 24: millions of colors

Question 20

Which likely has the larger file size? GIF/PNG or JPEG?

Answer 20

GIF/PNG

Question 21

What causes the whiteflies around images?

Answer 21

The photo editing software creates a “matte” to soften the texts edges against the background color. But it assumes the background is white. So you need to tell PS to make the matte the same color as the background

Question 22

What is a thumbnail?

Answer 22

Small images that the user can click on to see the full image

Question 23

Is the “img” element inline or block?

Answer 23

Inline. It doesn’t put a line break before or after an image

Question 24

Which attribute will describe the image for the visually impaired?

Answer 24

Alt attribute

Question 25

Can images be used as links to other web pages?

Answer 25

Yes, just use the “img” element as the content of an “a” element and put the link in the href