Ap Computer Science Principles 2020 Practice Exam 1 Mcq [2025-2027]

Which of the following describes the concept of "redundancy" in the context of the Internet? A) Having multiple paths between devices so that if one path fails, data can take another route. B) Storing backup copies of data in a secure location. C) Using error-checking bits to ensure data integrity. D) Assigning the same IP address to multiple devices.

Which of the following is a true statement about the difference between a low-level language and a high-level language? A) Low-level languages are easier for humans to read and write. B) High-level languages are closer to machine code (binary). C) Programs written in high-level languages must be translated into machine code before the computer can execute them. D) Low-level languages allow for less direct manipulation of hardware than high-level languages. ap computer science principles 2020 practice exam 1 mcq

An undecidable problem is one for which no algorithm can be written that always leads to a correct yes-or-no answer (e.g., the Halting Problem). Which of the following describes the concept of

Which of the following lists is sorted in ascending order? A) [10, 5, 2, 1] B) ["Apple", "Banana", "Carrot", "Date"] C) ["Zebra", "Yak", "X-ray"] D) [1, 10, 2, 20] C) Using error-checking bits to ensure data integrity

A digital artist creates an image that is 100 pixels wide by 100 pixels high. Each pixel is represented by 3 bytes (one for Red, one for Green, one for Blue). What is the minimum file size of this uncompressed image? A) 3,000 bytes B) 10,000 bytes C) 30,000 bytes D) 300,000 bytes