Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
7 Cards in this Set
- Front
- Back
|
Aspect Ratio
|
an image is its width divided by its height
|
|
|
2 standard ratios
|
16:9 (HD) is known as Widescreen.
4:3 (SD) is known as Standard |
|
|
Lines of pixels (480 720 1080 1080i
|
refers to the number of horizontal lines making up the picture.
|
|
|
480
|
Standard Definition
|
|
|
720
|
HD signal
|
|
|
1080
|
Blue ray some tvs have this signal
|
|
|
1080i
|
Is HD and another format
|
