1) What does binary code use to represent information? a) Colours b) Sounds c) Numbers 1 and 0 d) Letters 2) Ancient artifacts helped humans in: a) Storing information b) Communicating c) Processing information d) All of the above 3) Which of these is a way we communicate information today? a) Stone tablets b) Smoke signals c) Emails d) Pigeon post 4) What does ASCII stand for? a) American Secure Code for Internet Interchange b) American Standard Code for Information Interchange c) Advanced Symbol Code for International Interchange d) American Symbol Code for Internet Integration 5) Which of these is a binary digit? a) 2 b) 10 c) 1 d) A 6) Which of these is NOT a feature of Morse code? a) Uses dots and dashes b) Represents each letter of the alphabet c) Is a binary system d) Used in early telecommunication 7) What is the decimal equivalent of the binary number '1001'? a) 9 b) 8 c) 10 d) 11 8) How do you represent the decimal number 3 in binary? a) 11 b) 101 c) 100 d) 10 9) If you have a binary number with 3 digits, what's the highest value it can represent in decimal? a) 7 b) 8 c) 9 d) 10

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