Isqs 2340 Exam 1 Q&a 2024

Storage Devices {Ans: Store data and program instructions needed for processing}Storage Capacities for PCs {Ans: -Primary memory: typically from 1 Gb to 8Gb -Secondary storage: typically from 250 Gb to 1 Tb}Digital Images for Internet Webpage Purposes {Ans: -we need 400 X 625 pixels -or 250 000 pixels -or 250 Kilopixels -or ¼ Megapixels -2 Megapixel image = 2,000,000 pixels -3 Megapixel image = 3,000,000 pixels -8 Megapixel image = 8,000,000 pixels -14 Megapixel image = 14,000,000 pixels}Electronic Data Processing {Ans: is an organized collection of people, procedures, databases, and devices used to develop and distribute business transactions}First Intel Microprocessor Chip {Ans: (8080-1974, 200 KHz) Ed Roberts used for first PC (not designed, for traffic lights)}1911: Hollerith's machine (Mechanical tabulator) {Ans: Hollerith's machine was a complete success and the company that manufactured Hollerith's machine, in 1911, merged with its main competitor, IBM.}