[CS 151] - Midterm Exam Guide - Ultimate 12 pages long Study Guide!

• School: Central, CCSU
• Department: Computer-Science
• Course: CS 151
• Professor: Bradley P.Kjell

Document Summary

Key concept: a computer system consists of hardware and software that work in concert to help us solve problems. Hardware components: the physical, tangible components that support the computing effort. Key hardware components in a computer system. Cpu (central processing unit): executes individual demands of programs. I/o (input/output) devices: allow human to interact with computer (keyboard, monitor, mouse) Main memory: storage device that holds software while it"s being processed by. Secondary memory devices: store emory relatively permanently (hard disk, usb drive, cd) Program: series of instructions that the hardware executes one after another. Software: consists of programs and the data those programs consist of. Operating system: core software of a computer, provides user interface and manages computer resources, controls machines activity (windows, linux, mac. Application: generic terms for any software that isn"t an operating system. Graphical user interface (gui or point and click interfaces): user interface for most modern operating systems and applications using graphical screen elements.