AP Computer Science Principles Vocabulary Questions And Answers With Verified Solutions

Selection structure - allows programmers to specify the conditions under which a statement is executed. one of the three control structures; tells the computer to make a decision before selecting the next instruction to process; also called the decision structure Bit - Binary Digit. Single unit of information on a computer. Represented as a 0 or 1 Bit Rate - The number of bits that are conveyed or processed per unit of time Protocol - A set of rules governing the exchange or transmission of data between devices. A set of rules for sending, receiving, and interpreting binary messages Latency - The time it takes for a signal to arrive. Time units such as, miliseconds, seconds Bandwidth - Transmission capacity, measured by bit rate Binary - Information for which only two answers are possible Fiberoptics - Method of transmitting data that utilizes light Copper Wire - Method of transmitting data that utilizes electricity WiFi - A wireless networking technology that utilizes radio waves to transmit information/data Request for Comments (RFC) - Documents that define and publish the standards and protocols for all to see on the Internet Engineering Task Force websitePrototype - A preliminary sketch of an idea or model for something new. It's the original drawing from which something real might be built or created. IP Address - A number assigned to any item that is connected to the Internet. Every device connected to the internet is assigned an Internet Protocol address Packets - Small chunks of information that have been carefully formed from larger chunks of information. Router - A computer which receives messages travelling across a network and redirects them towards their intended destinations based on the addressing information included with the message. Transmission Control Protocol (TCP) - Provides reliable, ordered, and error-checked delivery of a stream of packets on the internet. TCP is tightly linked with IP and usually seen as TCP/IP in writing