Video, Audio, and Image

Question 1

MP4

Answer 1

MPEG 4 Files

Video format widely used, uses H.264 video codec

Question 2

H.264

Answer 2

Video codec native to most browsers, uses less processor and battery power, does not require plug-in

Question 3

H.265

Answer 3

Video codec, possible successor to H.264, double data compression without quality loss, supports up to 8K resolutions

Question 4

WebM

Answer 4

Video format that uses VP8 codec

Question 5

VP8

Answer 5

Video codec, open video compression format, owned by Google

Question 6

Ogg

Answer 6

Video format uses Theora

Question 7

Theora

Answer 7

Free video compression format

Question 8

Vector

Answer 8

Graphic type that uses mathematical coordinates with lines, curves, and shapes to create images. Small file size. Scaled w/o losing quality. Can be converted to bitmap.
.svg, .cgm, .odg, .eps, .xml

Question 9

Bitmap

Answer 9

Graphic type that uses thousands of small dots to create images. JPEG, GIF, PNG. Can be large file sizes, compression decreases quality. Cannot be converted to vector.

Question 10

Image Map

Answer 10

Image that contains clickable regions (hot spots) that act as hyperlinks.

Question 11

Image Transparency

Answer 11

Supported in GIF, PNG, JPEG 2000, BMP, TIFF, SVG

Question 12

Interlacing

Answer 12

Picture created by scanning every alternate line, overall impression and embedded buttons recognizable after one-eighth of image data transferred.

Question 13

SVG

Answer 13

Scalable Vector Graphics

W3C-recommended language used to create cross-platform animated movies.

Question 14

Pixel

Answer 14

Picture Element

Smallest unit displayed by a computer monitor

Question 15

Color Depth

Answer 15

How many colors each pixel can display