Data Representation Flashcards
1
Q
Binary
A
1 on
0 off
2
Q
Binary is base
A
2
3
Q
Denary is base
A
10
4
Q
8 numbers for working out Binary values:
A
128
64
32
16
8
4
2
1
5
Q
Digital images are composed of individual elements in a rectangular grid called
A
Pixels
6
Q
Pixel
A
Picture elements
7
Q
Number of pixels in a digital image =
A
Image resolution
8
Q
Calculate size of an image
A
Area = pixels
Pixels X how many bits per pixel
9
Q
Binary can reprenst
A
Numbers
Colours
Letters
10
Q
Zoom in GIMP
A
Hold control and roll wheel
11
Q
Move in GIMP
A
Roll wheel
12
Q
Undo and redo in GIMP
A
Control and Z
Control and Y
