Engineering Science 1036A/B Study Guide - Fall 2018, Comprehensive Midterm Notes - Function Pointer, Data Type, Computer Memory

• School: Western University
• Department: Engineering Science
• Course: Engineering Science 1036A/B
• Professor: Quazi Rahman

Document Summary

Computer: programmable machine designed to follow/process instructions at an enormous speed. Computer system: the combination of hardware and software. Arithmetic and logic unit (alu): performs mathematical operations. Devices used to input information in to the cpu of the computer keyboard, mouse, scanner, digital camera, disk drive, cd drive, solid state drive. Devices used to make the computer-processed data/information available at. Devices used to make the computer-processed data/information available at the output. Computer monitor, printer, disk drive, writable cd drive, solid state drive. When any data is inputted through the input device, it directly goes to the memory. Volatile: requires constant power to maintain stored info, erased when computer is turned off. Non-volatile data retained even if the computer is turned off. Suitable for long-term storage of info also called secondary storage. A list of instructions directing the computer to perform a task. Provides a convenient & efficient interface between the user and the hardware.