[Solved] A _____ displacement pump has a fixed output per revolution. Journalists: Professionals who collect, write, or distribute news and information, working in various media such as newspapers, television, and the internet. Internet Search Engine: A software system designed to carry out web searches, which means to search the World Wide Web in a systematic way for particular information specified in a textual web search query. Pornography: Visual or written content intended to stimulate erotic feelings rather than aesthetic or emotional feelings. Mass Media: Diverse media technologies that reach a large audience via mass communication, including newspapers, television, radio, and the internet.