# Logic Gates, Binary & Hex

Flashcards by Ollie Fox, updated more than 1 year ago
 Created by Ollie Fox over 5 years ago
112
5

### Description

Binary & Logic Gates

## Resource summary

 Question Answer "NOT" Logic Gate - explain it's truth table? Describe what it looks like. Has 1 input and reverses the input. "AND" Logic Gate - explain it's truth table? Describe what it looks like. Has 2 inputs and has to have 2 positive inputs to be positive, otherwise it is negative. "NAND" Logic Gate - explain it's truth table? Describe what it looks like. The opposite of an "AND" gate. "OR" Logic Gate - explain it's truth table? Describe what it looks like. Has 2 inputs and has to have 2 negative inputs for it to be negative otherwise it is positive. "NOR" Logic Gate - explain it's truth table? Describe what it looks like. Opposite of an "OR" gate. "XOR" Logic Gate - explain it's truth table? Describe what it looks like. Has two inputs and must have one positive and one negative input otherwise it is negative. 1 + 1 10 1 + 1 + 1 11 1 + 1 + 1 + 1 100 100 + 111 1011 11 + 10 + 10 111 11 + 10 + 10 + 10 1001 101 in decimal/denary 5 111 in decimal/denary 7 1111111 in decimal/denary 127 What does 8-bit binary go up to? 128 What does 9-bit binary go up to? 256 All Hex numbers? 0 1 2 3 4 5 6 7 8 9 A B C D E F Denary to Hex 46 2C Hex to Denary 3A 58 Binary to Hex 10001011 8B Hex to Binary 2D 00101101

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