For many years CDs were the only digital form of music available. They were not invented by RCA. The first compact disc was invented by James Russell. At the time Russell worked for General Electric.
First IBM PC (Personal Computer) was IBM model number5150, which was introduced on August 12, 1981.IBM's first electronic digital computer was the 701 Defense Calculator, introduced in 1952.IBM's first computer was the Harvard Mark I, in 1942, but it was electromechanical.
The first calculator was never launched, because it was in fact a mechanical calculator.
The very first calculator ever used could be an abicus, an electronic calculator, or even your brain. The first calculator invented was the abacus.
If you're looking to shave money off your electric bill, the first thing you should do is sit down with an online electric bill calculator. Your local power company may have a bill calculator or estimator available on their Web site, or you can go with a generic electric bill calculator. Using one of these calculators to break down your electric bill can make you aware of which devices in your home are eating the most power, and what alternatives can save you money. For example, if your power company offers reduced rates for off-peak usage, you can arrange to use heavy electricity consuming devices, such as clothes dryers, in those off-peak hours.
Blaise Pascal
Philips Corporation was the first manufacturer of Compact Discs. - Neeraj Sharma
First, you should look and see if it is a gas or an electric dryer. A gas dryer will save you more than an electric dryer. Then, you need to see if it is a full size or a compact dryer model.
The first compact disc player was created in 1982. The Sony CDP-101 was the first commercialized compact disc player on the market. At the same time, Sony released over fifty compact discs.
who invented the first mechanical digital calculator
No, it wasn't. The first calculator was called the pascaline.
No. The first compact in the colonies was the Mayflower Compact.