8 Bit binary Flashcards
1
Q
Explain why digital devices use binary as a counting system
A
Computers use electrical signals that are on or off, so they have to see everything as a series of binary numbers.
2
Q
Count to 128 in 8 bit binary
A
1 2 4 8 16 32 64 128
3
Q
What is the biggest number in 2 bit binary
A
3
4
Q
What is the biggest number in 4 bit binary
A
15
5
Q
What is the biggest number in 8 bit binary
A
255
6
Q
1 and 0 are known as
A
On and off
