AP CSP Final Exam Questions and Verified Correct Answers

AP CSP Final Exam Questions and Verified Correct Answers What is the best explanation for why digital data is represented in computers in binary? - Correct Answer 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 binary number for the decimal number Ten (10)? - Correct Answer 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? - Correct Answer 5 bits Number systems with different bases such as binary (base-2), octal (base-8), decimal (base-10), and hexadecimal (base-16), are all used to view and represent digital data. Which of the following is NOT true about representing digital data? - Correct Answer When data is large enough computers switch to using decimal representation instead of binary, because you can represent larger numbers with fewer digits. Consider the following three binary numbers: 01010 010000 1110 Which of the following lists the numbers in order from least to greatest? - Correct Answer 01010 1110 010000