Question 1

How do you convert hex to binary?

Accepted Answer

Each hex digit = 4 binary bits. A = 1010, F = 1111. So AF = 1010 1111.

Question 2

What do hex letters A-F represent?

Accepted Answer

A=10, B=11, C=12, D=13, E=14, F=15. Extends counting beyond 9 using single characters.

Question 3

Why do computers use binary?

Accepted Answer

Electronic circuits have two states: on/off, high/low voltage. Binary (0 and 1) maps directly to these states, making digital logic simpler and more reliable.

Question 4

Why is hexadecimal used in programming?

Accepted Answer

Hex is compact: each digit represents 4 binary bits. A byte (8 bits) is exactly 2 hex digits (00-FF), making memory addresses and color codes readable.

Hexadecimal to Binary Converter

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