1) What is the denary number 14 in binary? a) 1001 b) 1010 c) 1110 d) 1111 2) What is the number 4 as binary? a) 1001 b) 1111 c) 0100 d) 0111 3) What is the binary number 0101 as a denary number? a) 4 b) 2 c) 5 d) 10 4) Convert the binary number 1111 to denary. a) 5 b) 12 c) 16 d) 15 5) Convert the binary number 1001 to denary a) 7 b) 9 c) 3 d) 4 6) Why do computers use binary? a) They can only count to two b) To show the on/off states of current in transistors c) They can only count to one

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