Part 1 of Essay
Study of the theory, experimentation, and engineering that form the basis for the design and use of computers—devices that automatically process information. traces its roots to work done by English mathematician Charles Babbage, who first proposed a programmable mechanical calculator in 1837. Until the advent of electron ....

Part 2 of Essay
.... time with the branch of mathematics known as numerical analysis, which examines the accuracy and precision of calculations. As the use of computers expanded between the 1950s and the 1970s, the focus of computer science broadened to include simplifying the use of computers through programming languages—artificial languages used to program computers, and operating systems—computer programs that provide a useful interface between a computer and a user. During this time, computer scientists were also experim ....