Intro Flashcards
Base 2
Binary Number system ( 0,1)
Ex: 00100001
Another name for binary digit
Bit
What do the Binary 0/1 values mean?
0 off / 1 on
Base 10
Decimal Number system: ( 0,1,2,3,4,5,6,7,8,9,10 )
Base-10 numbers or decimal numbers are expressed in positional notation. In Decimal Notation, digit values (column values) represent powers of 10. Any one of the ten digits, 0, 1, 2, . . . 9, may occupy any position indicating how many of each digit value are being represented.
Byte
8 bits
How many bits in ASCII?
Usually seven or eight
What is 65 in ASCII?
A
What are the place values of base? 10
10^2 10^1 10^0
What does the place values equal in decimal?
10^2 10^1 10^0
100 10 1
What are the place values for base 2?
2^2 2^1 2^0
4 2 1
How do you make 3 in binary?
4 2 1 - assign 0/1 where the values are added together
0 1 1 (which is 0+2+2 =3)
What is Unicode?
A super set of ASCII characters that is usually in 8, 16, 24, 32 bits consisting of 0-9 and A-F.
How is Unicode identified?
U+
Example U+1F44D
What is an algorithm?
Step-By-Step instructions
What is code?
Implementation of algorithms