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Pascal's Calculator
Capable of adding whole numbers containing up to six digits. Although unreliable, this calculator is significant because it inspired more sophisticated calculators. This calculator was designed by a nineteen year old. -
Cash Register
An adding machine capable of expressing values in
dollars and cents. Developed by John and James Ritty after witnessing a mechanical counter connected to a propeller shaft on a ship. The invention of the cash register was significant because it helped with keeping accurate sales records. It also aided in accounting and embezzlement issues occurring at the time. It was nicknamed the "Incorruptible Cashier". -
Cell Phone
Also known as mobile phones, allow telephone calls to be made over radio links. The first cell phone was demonstrated by Motorola. This cell phone as pictured was pretty large and weighed around two and a half pounds and could only store 30 contacts. The impact of the cell phone has been dramatic and paved the way for modern mobile phones we use today. -
Internet
The network of networks that communicate using TCP/IP. If the internet were to be weighed, it would weigh about two ounces. The internet has taken over the world and became apart of everyday life. -
Web Browser
A program that allows a user to view Web pages and
traverse hyperlinks between pages. The first web browser was called worldwideweb. This invention has allowed for many others such as web surfers to retrieve text, still images, movies, songs,
computer programs. The first Web site was info.cern.ch. -
Sources
https://learnodo-newtonic.com/blaise-pascal-facts
https://www.cashregistersonline.com/pages/history#:~:text=On%20January%2030%2C%201883%2C%20James,first%20working%2C%20mechanical%20cash%20register.
https://techcrunch.com/gallery/10-amazing-facts-you-probably-dont-know-about-mobile-phones/#:~:text=The%20first%20mobile%20phone%20was%20the%20Motorola%20Dyna%20TAC%208000X,talk%20time%20of%2030%20minutes. -
