Ch 2: Data Processing Basics Flashcards
(8 cards)
1
Q
How do computers represent all data?
A
using binary strings of numbers
2
Q
What does a binary string consist of?
A
only 1s and 0s
3
Q
What does each individual 1 and 0 represent?
A
a bit, which is short for binary digit
4
Q
What is an electrical charge communicated as in binary?
A
a 1
5
Q
What is a lack of electrical charge communicated as in binary?
A
a 0
6
Q
What is a group of 8 bits called?
A
A byte
7
Q
What range does a byte exist between?
A
8 bit binary number between 0000-0000 and 111-1111
8
Q
How many possible combinations of ones and zeroes are there in a string of 8?
A
There are 256 possible combinations of ones and zeros in a string of 8
