The first anti-virus software (what is thought of as security software) was developed in 1987. It was made by the European company Bernt Fix. It was not given to everyone.
Pagemaker
Aida agsta
bernt fix
Vipul Prajapati
bernt fix
1986
Before the invention of the laser printer and then in 1985 desktop-publishing software, the publishing process involved numerous professionals performing various tasks--typically in a variety of locations.
Bernt Fix. It was written in 1987.
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The first such desktop-size system specifically designed for personal use appeared in 1974;The first desktop was the MITS ALTAIR 8800, I believe made in 1974 and shown on the cover of Popular Electronics in January 1975, which became the inspiration for another company called Microsoft.
The first commercial VOIP (internet telephony) software was released in 1995 by a small company called VocalTec. This software ran on the user's desktop using the user's speakers and microphone.
The oldest calculator, the abacus, was invented in ancient Egypt(unknown date). The first Mechanical calculator, known as the Calculating clock, was invented by Willhelm Schickard in 1623. The first electronic desktop calculator were announced by the Bell Punch Co, in Uxbridge England in 1961. Finally, the first handheld computer was invented in 1980.