AP Computer Science Principles Exam (Units 1 through 4) Questions And Answers 2022/2023

Bit - Answer - The single unit of information in a computer, typically represented as a 0 or 1. Bit rate - Answer - The number of bits that are conveyed or processed per unit of time (e.g. 8 bits/sec) Protocol - Answer - A set of rules governing the exchange or transmission of data between devices Bandwidth - Answer - Transmission capacity measure by bit rate Latency - Answer - The time it takes for a bit to travel from its sender to its receiver ASCII (American Standard Code for Information Interchange) - Answer - The universally recognized raw text format that any computer can understand. Code (verb) - Answer - To write code, or to write instructions for a computer RFC (Request for Comments) documents - Answer - How standards and protocols are defined and published for all to see on the IETF website IP Address - Answer - A unique number assigned to any item that is connected to the Internet Packets - Answer - Small chunks of information that have been carefully formed from larger chunks of information TCP (Transmission Control Protocol) (Tightly linked with IP, sometimes written as TCP/IP) - Answer - Provides reliable, ordered, and error-checked delivery of a stream of packets on the internet DNS (Domain Name System) - Answer - The Internet's system for converting alphabetic names into numeric IP addresses HTTP (Hypertext Transfer Protocol) - Answer - The protocol used by the World Wide Web that describes how messages are formatted and interchanged, and how web servers respond to commands Abstraction (Unit 1- on the Internet) - Answer - Reducing information and detail to focus on essential characteristics Server - Answer - A computer that awaits a