AP Computer Science Exam With Quality Answers 2024.
What advantages do computers have over humans? - Answer Faster, more accurate, better memory Many so-called computer errors are caused by: - Answer sloppy data entry How does Morse Code work? - Answer It uses short and long signals, representing dots and dashes How does the binary system used by a computer work? - Answer It uses 1s and 0s, representing electrical current that is on or off Which of the following describes ASCII? - Answer It uses 1 byte to store a character and is used by many programming languages Which of the following describes Unicode? - Answer It uses 2 bytes to store a character and is used by Java How BITs are in a byte? - Answer 8 What number system do people in America use? - Answer Base-10 (decimal) What number system does the computer use to process information? - Answer Base 2 (binary) What did early computers use to store each bit? - Answer A vacuum tube Characteristics of early computers - Answer very large, programmed by people switching wires, used vacuum tubes
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