Welcome to CMPE003 Personal Computers: Hardware and Software Dr. Chane Fullmer Fall 2002 UC Santa Cruz

November 15, Exams Exams now on-line….. Must have your own Scantron form to determine test version you took

November 15, Assignments Assignment #6 – The Last One Due November 22, week from today…don’t be late.. Using Spreadsheets – (M$ Excel) Generate a personal monthly budget spreadsheet

November 15, Peer web pages…….. Web pages from assignment #3/

Spreadsheets and Business Graphics: Facts and Figures Chapter 13

November 15, Objectives Describe the advantages of spreadsheets List several applications for spreadsheets Explain the underlying principles of electronic spreadsheet use Describe how to set up and modify a spreadsheet Describe the advantages of business graphics Differentiate between analytical and presentation graphics Name the elements of standard charts and graphs

November 15, Why Use Spreadsheets? Plan ahead (What if) Make the computer do the work See the results of change

November 15, The Nature of Spreadsheets Use numbers to track performance Manual Tedious Time-consuming Error-prone Electronic spreadsheets Automate Increase ability to track performance

November 15, Electronic Spreadsheets VisiCalc First electronic spreadsheet program 1979 Apple II microcomputer Computer becomes an indispensable tool for financial analysis

November 15, Electronic Spreadsheets Labor Saving Automatic recalculation Change one value All dependent values are recalculated A single change can affect many calculations

November 15, Electronic Spreadsheets Labor Saving “What If” Analysis The process of changing one or more spreadsheet values and observing the resulting calculated effect What if we reduce the price by 5%? What if we buy a home and the mortgage rate increases (or decreases) by.5%?

November 15, Working with Spreadsheets Plan your inputs & outputs Create sheet based on your plan Edit and proofread as needed Format columns/rows Print Add graphics Provide data security – password, protect

November 15, Working with Spreadsheets The plan… …The result

November 15, Electronic Spreadsheets How it Works Enter data and calculations Electronic spreadsheet automatically performs the calculations Error-free results are displayed on the spreadsheet Print Store to be used again

November 15, Electronic Spreadsheets Fundamentals Screen Window into the spreadsheet Scroll using mouse or cursor-movement keys Rows and columns Row – number Column – letters

November 15, Electronic Spreadsheets Fundamentals Cell Junction of a row and column Cell address (cell reference) – letter and number Active cell (current cell) Highlighted with border or reverse video Can enter or edit data in active cell only

November 15, Cell Contents Label Descriptive text about entries Not used for calculations Value Number May be used in calculations

November 15, Cell Contents Formula Calculation instruction Contains Cell address One or more arithmetic operators Functions Result appears in the cell containing the formula Calculation appears in the formula bar

November 15, Cell Contents Functions Pre-programmed formulas Used in formulas in place of operators Common SUM AVERAGE COUNT MIN MAX

November 15, Cell Ranges Group of one or more adjacent cells occurring in a rectangular shape Treated as a unit during an operation Indicate the upper-left and lower-right cells of the block May be referenced in a formula or function

November 15, Formatting Features Column width Row height Headings Number styles – commas, number of decimals, dollar and percent signs Appearance of data Justification Text font and style

November 15, Formatting Features Decoration Borders Color Clip art Business graphics Shows words and numbers in visual form Quickly and easily understood

November 15, Business Graphics Generate and sustain the interest of an audience Make a lesson, report, or business document more attractive Help get a point across Can reveal a trend that is lost in a column of numbers Presenter appears more prepared and organized

November 15, Business Graphics Analytical graphics View and analyze data Presentation graphics Make a positive impression during a presentation Enhance charts Animation Sound

November 15, Analytical Graphics Analysis-oriented Graphics Help users analyze and understand data Line Bar Pie

November 15, Line Graphs Shows trends or cycles over time Axis Plot area Data point Labels Titles

November 15, Bar Graphs Comparisons Rectangular area up to the height of the point being plotted Easy to absorb

November 15, Pie Charts Proportions Relationship between parts and whole One time period Exploded pie chart One wedge pulled slightly away from the pie

November 15, Presentation Graphics --- Business-quality Graphics Look like preparation by professional graphic artist Charts Graphs Visual aids Control the appearance when you create it Produce graphics faster Make last-minute changes

November 15, Presentation Graphics --- Business-quality Graphics Edit and enhance charts created by other programs Create charts, diagrams, drawing, and text slides Use clip art Support animated effects Add sounds

November 15, Presentation Graphics --- Business-quality Graphics Hardware High-resolution color monitor Color printer Ability to project computer slides on a screen

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