CALS 001 Lecture Notes - Lecture 4: Spreadsheet, Visicalc, Chrome Os
18 Apr 2018
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Hard disk drive more storage for less money, louder, more fragile, slower, easy to confirm clean. Solid state drive less storage for more money, silent, more fragile, faster. On button is pushed: power flows through computer, basic input/output system tests computer, bios tells processor to run a program, boot loader program starts up os. System software (operating system: manages hardware and i/o devices, memory and storage, processor (cpu, application software and user interface. Application software any self contained software that isnt system software and is end-user software. 1st pilar application = visicalc on apple ii. Spreadsheet terms list and organize data, make calculations using formulas & functions, graphically display data. Tab, ribbon, column, row, cell, worksheet, and workbook. Data facts or informations used to calculate, analyze, plan, or information that is stored/produced by a computer. Variable: grouping of attributes/values attribute/value: characteristic part of group.
