1) What is 1111 in denary? a) 15 b) 10 c) 11 d) 8 2) What is 1001 in denary? a) 9 b) 5 c) 10 d) 11 3) What is 5 in binary? a) 0101 b) 1110 c) 0111 d) 1001 4) Why do computers use binary? a) Because they like Pizza b) Because they don't like the number 2 c) Because they only understand On of Off 5) What is 1010 + 0111 a) 11111110 b) 11110000 c) Trojan Horse d) 00010001 e) 00000001 6) What is 17 in binary a) 00010001 b) 00001111 c) 10000000 d) 10101010

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