How many different values can be represented by a 32 bit integer?

Reminders: A 32 bit integer is a sequence of 32 bits. A bit (binary digit) can have 2 values (0 or 1).

Question

How many different values can be represented by a 32 bit integer?

Reminders: A 32 bit integer is a sequence of 32 bits. A bit (binary digit) can have 2 values (0 or 1).

perl · Answer

there are 2 choices for each bit. so you can use multiplication principle

perl · Answer

2 choices for first bit & 2 choices for second bit & 2 choices for third bit...
 = 2 x 2 x 2 ... 

now count how many 2's you have

anonymous · Answer

3

perl · Answer

there are 32 bits , each bit has 2 choices. 
think of them as 32 slots

perl · Answer

|dw:1425100625011:dw|