Data Representation Flashcards
1
Q
What Base is Binary?
A
2
2
Q
What Base is Denary?
A
10
3
Q
What Base is Hexadecimal?
A
16
4
Q
What’s 87 in Binary?
A
01010111
5
Q
What’s 11010101 in Hexadecimal?
A
D5
6
Q
How do you represent an image using pixels and colour depth?
A
Metadata
7
Q
How many bits at there in 10110?
A
5
8
Q
How do you calculate the file size of a bitmap image?
A
Height x Width x DPI x DPI x Bit Depth
9
Q
What does the acronym DPI stand for?
A
Dots per Inch
10
Q
What is colour depth?
A
The amount of bits allocated to each pixel to represent its colour.
11
Q
What does the acronym RLE stand for?
A
Run Length Encoding; the process of lossless data compression by putting an integer before repeated characters and then the character that’s repeated.
