Hex ASCII and Images Flashcards
1
Q
How many bits are in a nibble ?
A
4 bits
2
Q
How many bits are in a byte?
A
8 bits
3
Q
What are hexadecimal used for?
A
Hexadecimal is used to make it easier for humans to remember binary number
4
Q
How many unique characters does hexadecimal use?
A
16 unique characters
5
Q
What are the unique characters used in hexadecimal?
A
0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F
6
Q
What does ASCII stand for ?
A
American Standard Code for Information Interchange
7
Q
What are digital pictures made of ?
A
Pixels
8
Q
How many colours is a single pixel ?
A
One colour per pixel
9
Q
Grids of pixels are called ?
A
Bitmap
10
Q
1 bit colour depth =
A
2 colours
11
Q
2 bit colour depth =
A
4 colours
12
Q
4 bit colour depth =
A
16 colours
