CS61C-1 basic_C

btye and bit

4 Bits 比特 = 1 hex digit = 16 things

8 Bits 比特 = 1 Byte 字节 = 2 hex didgit = 256 things

C basic types

• int/unsigned int 16 bits or larger
• float
• double
• char : 8 bit = 1 字节
• long : 32bit = 4 字节
• longlong : 64bit = 8 字节