Logic Gates, Binary & Hex

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