digital theory photography Flashcards
(17 cards)
CDC stands for
Charged coupled device
Is it true that both cam Cordero’s and digital cameras use CCDs to sense light and colour density?
True
How many pixels in a mega pixel?
1000000
Pixels stands for?
Picture element
Over compression of digital photos reduces the size of a picture file but it can also?
Make ur picture look pixelated, crash ur computer, creat artifacts, creat regularly repeated patterns.
Is it true that you should never apply digital picure manipulation to your master or archival photo files?
True
What are the three colours used in a CCD?
Red green blue
Resolution of digital pictures is measured in ?
Pixels per inch
What resolution and size do you want your cropped pictures to be when you hand them in for printing?
4 by 6 300 pixels per inch ppi
Explain why we need to crop all of our pictures taken with the small digital camera in order to print a 4” by 6” picture?
We need to because if you print it without cropping it will cut out some of the picture. Also the CCD in most cameras is not the same size as what we print we need to crop our pictures.
What is a jpeg?
A format for compressing images. Compressed common image file.
Wen you create a jpeg you……
Compress a digital image file, loose resolution
What’s does USB stand for and for what do we use it in class?
Universal Serial Bus , we use it to transfer images from a camera or computer to another computer.
What image editing software are we working with in class?
Photoshop
Name two types of removable permanent storage media.
CDR
DVDR
Why is white balance Important and how does it relate to colour temperature?
White balance removes unrealistic colour casts, it is important to make our pictures look more realistic in certain lighting. It refers to light source , WB deals with it.
How much memory in megabytes does a cdr hold?
700mb
