Lesson 1 - Number Systems

Binary to Decimal conversion

Binary to Decimal conversion

multiply each digit by 2^x and add together

Decimal to Binary conversion

divide decimal by 2 until you get to 0, keeping track of remainders. Read the remainders bottom to top to get the binary.

Hex to Decimal conversion

multiply each digit by 16^x and add together

Decimal to Hex conversion

divide decimal by 16 until you get to 0, keeping track of remainders. Read the remainders bottom to top to get the binary.

Binary to Hex conversion

Break string into groups of 4 and add zeros to the front if necessary. Then refer to chart.

Hex to Binary conversion

Put 0x in front of each individual character and use chart.

Stored in memory: How is “…” stored in memory in binary?

chart → decimal → binary