Digital Communication Systems Spreadsheet Fundamentals.

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Presentation transcript:

Digital Communication Systems Spreadsheet Fundamentals

Spreadsheet... a program that allows you to use ROWS and COLUMNS of data to manage, predict, and present information. ROW COLUMN

Advantages of Computer Spreadsheets Fast and Accurate Can answer “What Is….?” Can Answer “What If….?”

Can Answer “What Is….?”  students’ current grade (school)  individual athlete statistics (sports)  transportation schedules (business)  current $ available for spending (personal)  census results

Can Answer “What If….?  student population increases (school)  win/loss record changes (sports)  product sales decrease (business)  hourly wage rate changes (personal)

Uses of Computer Spreadsheets School student grades payroll class sizes schedules Sports individual and team statistics current and future budgets

Uses of Computer Spreadsheets, cont’d Personal checkbook household expenses investments income taxes Business payroll investments inventory product sales delivery

Uses of Computer Spreadsheets, cont’d Government Taxes Census Loans Investments budgets

Spreadsheet Terms Active Cell - The cell ready for data entry. Alignment - When data is entered into a cell, the default alignment is labels to the left and values to the right. Cell - Intersection of a row and column and is identified by a cell reference. Cell range - A selected group of cells that form a rectangle

Spreadsheet Terms, cont’d. Cell reference - The column letter and the row number. Example: B12 Column - Identified by letters that appear at the top of the spreadsheet. (Vertical) Formula - Equations with symbols for math operations. Example =B6+B7+B8+B9 Function - Special formulas that do not use operators to calculate a result. i.e. A shortcut formula. Example: =sum(A6:A9)

Spreadsheet Terms, cont’d. Label - Text, symbols, dates, or numbers not used in calculations. Rows - Identified by numbers on the left side of the spreadsheet. (Horizontal) Spreadsheet - A program that allows you to use rows and columns of data to manage, predict, and present information. Value - A number entered into a spreadsheet cell that will be used for calculations

Spreadsheet Terms Cell (B3) Intersection of a row and a column Value A number entered on a spreadsheet and used for calculations Formula An equation with symbols for math operations B4+B5+B6+B7+B8 Label Text, Symbols, dates, or numbers not used in calculations

More Terms Range (B4:B8) A block of cells Functions Shortcut formulas Sum(B4:b8) Sum….Adds the range Average….averages the range