Question 1

How do I convert binary to decimal?

Accepted Answer

Sum bit values where a 1 appears: decimal = Σ bit×2^position.

Question 2

How do hex and binary relate?

Accepted Answer

1 hex digit = 4 binary bits; group bits in fours to convert quickly.

Question 3

What about octal?

Accepted Answer

1 octal digit = 3 bits; group bits in threes.

Question 4

How do I handle negatives?

Accepted Answer

Use two’s complement: invert bits and add 1 to represent negatives with a fixed bit width.

Question 5

What’s endianness?

Accepted Answer

Byte order in memory (little vs big). It affects storage, not the numeric value itself.

Binary & Hex Converter