1) Which numbers does the computer understand? a) 0 and 1 b) 2 and 1 c) 0 and 2 2) What does the number 0 indicate? a) OFF b) ON 3) What does the number 1 indicate? a) OFF b) ON 4) WhICH language does the computer understand? a) Binary b) Denary c) Visual Basic d) English 5) Which digits does the denary system use? a) 0-9 b) Number 0 and 1 only 6) The number three is converted to the computer as 00000011 a) True b) False 7) The number six is converted to the computer as 00010001 a) True b) False 8) Which is the biggest denary number that can be represented by 8 bits a) 128 b) 255 c) 1 million d) 256 9) The equivalent of 0111 1111 in denary is a) 27 b) 127 c) 15 d) 99 10) The equivalent of 0011 1111 in denary is a) 15 b) 128 c) 63 d) 64

Binary and Denary

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