A Digital Computer may be a computer machine that is each associate computing device and a information processing system. samples of a digital electronic computers embody the IBM computer, the Apple Macintosh similarly as fashionable smartphones. once computers that were each digital and electronic appeared, they displaced most other forms of computers, however computation has traditionally been performed in numerous non-digital associated non-electronic ways: the Lehmer sieve is an example of a digital non-electronic laptop, whereas analog computers area unit samples of non-digital computers which may be electronic (with analog electronics), and mechanical computers area unit samples of non-electronic computers (which is also digital or not). associate example of a laptop that is each non-digital and non-electronic is that the ancient Antikythera mechanism found in Balkan nation. all types of computers, whether or not they area unit digital or analog, and electronic or non-electronic, are often Turing complete if they need enough memory. A digital laptop|computer|computing machine|computing device|data processor|information processing system|machine} isn’t essentially a programmable computer, a keep program laptop, or a general purpose laptop, since in essence a digital computing device are often engineered for one specific application and be non-reprogrammable. As of 2014, most personal computers and smartphones in people’s homes that use multicore central process units (such as AMD FX, Intel Core i7, or the multicore forms of ARM-based chips) are parallel computers mistreatment the MIMD (multiple directions – multiple data) paradigm, a technology antecedently solely employed in digital electronic supercomputers. As of 2014, most digital electronic supercomputers are cluster computers, a technology that may be used reception within the style of little Beowulf clusters. Parallel computation is additionally attainable with non-digital or non-electronic computers. associate example of a parallel computation system mistreatment the abacus would be a gaggle of human computers employing a variety of abacus machines for computation and act mistreatment language.
A information processing system will perform its operations within the positional notation, in binary, in ternary or in alternative numeral systems. As of 2014, all digital electronic computers unremarkably used, whether or not personal computers or supercomputers, area unit operating within the binary number representation system and additionally use binary logic. many ternary computers mistreatment ternary logic were engineered primarily within the USSR as analysis comes.
A digital computing device isn’t essentially a equipt computer: before the appearance of the junction transistor, computers used vacuum tubes. The junction transistor enabled electronic computers to become way more powerful, and up to date and future developments in digital natural philosophy might change humanity to create even additional powerful electronic computers. One such attainable development is that the memristor.
People living within the starting of the twenty first century use digital electronic computers for storing knowledge, like photos, music, documents, and for activity advanced mathematical computations or for communication, unremarkably over a worldwide electronic network known as the web that connects several of the world’s computers. of these activities created attainable by digital electronic computers may, in essence, be performed with non-digital or non-electronic computers if they were sufficiently powerful, however it had been solely the mixture of natural philosophy technology with digital computation in binary that enabled humanity to succeed in the computation power necessary for today’s computing. Advances in quantum computing, polymer computing, optical computing or alternative technologies may lead to the event of additional powerful computers within the future.
Digital computers area unit inherently best delineate by separate arithmetic, whereas analog computers area unit most ordinarily related to continuous arithmetic.
The philosophy of digital physics views the universe as being digital. Konrad Zuse wrote a book called Rechnender Raum during which he delineate the total universe jointly panoptic laptop.