FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -The first spreadsheet program was VisiCalc, written for the Apple II computer in 1979. For many users, this application most vividly showed the utility of personal computers for small businesses-in some cases turning a 20-hour-per-week bookkeeping chore into a few minutes of data entry.

Detailed explanation-2: -VisiCalc (for “visible calculator") was the first spreadsheet computer program for personal computers, originally released for Apple II by VisiCorp on 17 October 1979.

Detailed explanation-3: -VisiCalc was the first computer spreadsheet program. It was released to the public in 1979, running on an Apple II computer. While most early microprocessor computers had been quickly supported by BASIC and a few games, VisiCalc introduced a new level in application software.

Detailed explanation-4: -In 1979, Dan Bricklin and Bob Frankston launched a seemingly modest spreadsheet program called VisiCalc that sparked the home computer revolution. It could be used for home budgeting, as shown here, and at first ran only on Apple II.

Detailed explanation-5: -VisiCalc was designed to address and replace the manual spreadsheet management process, where changing a single value required altering the entire spreadsheet because with VisiCalc, the changes made to one cell were automatically applied to all the related cells.