CMPT 129 Chapter Notes - Chapter 1: Text Editor, Application Software, Microsoft Powerpoint
2 May 2017
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Document Summary
Hardware: refers to the physical components that a computer is made of. Job is to fetch instructions, follow instructions, and produce a result: control unit: coordinates all of the computer"s operations. The control unite decodes the instruction and generates an electronic signal: execute: the signal is routed to the appropriate component of the computer (such as alu, a disk drive etc. ). The signal causes the component to perform an operation. Input devices: output is any info the computer collects from the outside world, the output device formats and present that info, examples include: monitors, printers, speakers etc. Software: software is imperative to the functionality of a computer, two general categories: system software and application software. System software: programs that control and manage the basic operations of a computer, operating systems, utility programs, software development tools. Application software: programs that make a computer useful for everyday tasks, programs that are normally running most of the time, word, powerpoint etc.
