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12 questions from this quiz
How many symbols we use to write numbers
10 symbols (0-9)
10 times bigger
2 symbols: 0 and 1
Switches have two states: ON (1) or OFF (0)
149
16 symbols (0-9 and A-F)
12
Hex is shorter & easier to read/remember
Binary
Numbers, letters, images & sound
Reduces the chance of making errors
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