Intro to Cameras Study Guide
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1. Bit
Smallest unit of storage
2. Byte
A unit of storage on a computer, 8 bits in a byte
3. Kilobyte
Most people refer to it as 1,000 bytes
4. Megabyte
Equal to 1 million bytes (1,048,576 bytes) or 1000 kiobytes
5. Gigabyte
Equal to 1 billion bytes (1,073,741,842) or 1,024 megabytes
6. Bitmap Image
An image created or captured as a grid of colored dots (pixels)
7. Vector Image
Image created using points, lines, and curves to represent
images.
8. CMYK
A color model using Cyan, Magenta, Yellow, and Black colors.
These Colors are mixed to create a full color image on a printer.
9. RGB
Red, Green, & Blue. Digital cameras and monitors use RGB to
record and display colors.
10. Gray Scale
Contains 256 shades of gray from white to black
11. Compression
Storing image data in a way that results in a reduction of file
size.
12. GIF
One of the main graphic formats displayed by web browsers.
Usually a vector graphic.
13. JPEG
Most common format used for storing and transmitting
photographs on the web.
14. PNG
3rd most common image format on the web. Great with
drawings and photos.
15. TIFF
A file format that is used without suffering compression loss.
16. Pixel
Is one of the many tiny dots that make up a picture.
17. Pixelated
Caused by enlarging a graphic too much.
18. Resolution
Number of pixels in an image.
Intro to Cameras Study Guide
19. Jaggies
Stair line appearance of diagonal lines.
20. Compression
Storing image data in a way that results in a reduction of file
size
21. Macro
Explain when to use the Macro setting
22. Optical Zoom
23. Digital Zoom
Three different type of digital cameras
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Prosumer
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Point and Shoot
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Professional