Resolution

The term refers to the number of pixels that describe an image and establish its detail.

PPI

Pixels per inch, used with image resolution.

DPI

Dots per inch, used with monitor resolution.

IDPI

Ink dots per inch, used with printer or output resolution.

Saturation

The strength or purity of color in an image.

Pixels

Continuous-tone images that have been converted into a series of small squares, or picture elements.

JPEG

Joint Photographic Experts Group. A file format designed to preserve the broad color range and subtle brightness variations of continuous-tone images (such as photographs or images with gradients). Uses millions of colors.

GIF

Graphic Interchange Format. A file format effective at compressing solid-color images and images with areas of repetitive color (such as line art, logos, and illustrations with type). Uses a palette of 256 colors.

TWAIN

A cross-platform interface for acquiring images captured by certain scanners, digital cameras, and frame grabbers.

WIA

Windows Image Acquisition support. Photoshop works with Windows and your digital camera or scanner software to import images directly into Photoshop. Only available if you are using WindowsME or Windows XP.

Match the vocabulary words with their description:

Matching Game

_____1. JPEG	a. Uses millions of colors.
_____2. Pixels	b. Only available if you are using WindowsME or XP.
_____3. TWAIN	c. The strength or purity of color in an image.
_____4. IDPI	d. Used with printer or output resolution.
_____5. Resolution	e. Uses a palette of 256 colors.
_____6. DPI	f. Used with monitor resolution.
_____7. WIA	g. The term refers to the number of pixels that describe an image and establish its detail.
_____8. Saturation	h. A cross-platform interface for acquiring images captured by certain scanners, digital cameras, and frame grabbers.
_____9. PPI	i. Continuous-tone images that have been converted into a series of small squares, or picture elements.
_____10. GIF	j. Used with image resolution.

Answer Key

Match the vocabulary words with their description:

a_____1. JPEG	a. Uses millions of colors.
i_____2. Pixels	b. Only available if you are using WindowsME or XP.
h_____3. TWAIN	c. The strength or purity of color in an image.
d_____4. IDPI	d. Used with printer or output resolution.
g_____5. Resolution	e. Uses a palette of 256 colors.
f_____6. DPI	f. Used with monitor resolution.
b_____7. WIA	g. The term refers to the number of pixels that describe an image and establish its detail.
c_____8. Saturation	h. A cross-platform interface for acquiring images captured by certain scanners, digital cameras, and frame grabbers.
j_____9. PPI	i. Continuous-tone images that have been converted into a series of small squares, or picture elements.
e_____10. GIF	j. Used with image resolution.