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AP Computer Science Principles APCSP Practice Test
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What is the best explanation for digital data is represented in computers in binary? A. The binary number system is the only number system flexible enough to allow for representing data other than n... umbers. B. As a consequence of history: early pioneers of computing were making secret codes in binary, and this simply evolved into modern computing. C. It's impossible to build a computer machine that uses anything but binary to represent numbers. D. It's easier, cheaper, and more reliable to build machines and devices that only have to distinguish between binary states. - ✔✔D. It's easier, cheaper, and more reliable to build machines and devices that only have to distinguish between binary states. What is the 4-bit number for the decimal number ten (10)? A. 0010 B. 1010 C. 0110 D. 0101 - ✔✔B. 1010 What is the minimum number of bits you would need to encode the 26 letters of the alphabet plus a space - a total of 27 characters? A. 2 bits B. 3 bits C. 5 bits D. 6 bits - [Show More]
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