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The history of computing hardware spans the developments from early devices used for simple calculations to today's complex computers, encompassing advancements in both analog and digital technology.
The history of the personal computer as a mass-market consumer electronic device began with the microcomputer revolution of the 1970s. A personal computer is one intended for interactive individual use, as opposed to a mainframe computer where the end user's requests are filtered through operating staff, or a time-sharing system in which one large processor is shared by many individuals.
Bell considers the law to be partially a corollary to Moore's law which states "the number of transistors per chip double every 18 months". Unlike Moore's law, a new computer class is usually based on lower cost components that have fewer transistors or less bits on a magnetic surface, etc.
A human computer, with microscope and calculator, 1952. It was not until the mid-20th century that the word acquired its modern definition; according to the Oxford English Dictionary, the first known use of the word computer was in a different sense, in a 1613 book called The Yong Mans Gleanings by the English writer Richard Brathwait: "I haue [] read the truest computer of Times, and the best ...
Mary Allen Wilkes working on the LINC at home in 1965; thought to be the first home computer user The 1974 MITS Altair 8800 home computer (atop extra 8-inch floppy disk drive): one of the earliest computers affordable and marketed to private / home use from 1975, but many buyers got a kit, to be hand-soldered and assembled.
“The overall feeling is that, whether legal or not, everybody is scared,” she said. “Our clients are asking, ‘What if they stop me? I’m on probation.’
Mexico, Colombia and Brazil push back on Trump's deportation of migrants. He promises 25% tariffs, travel ban on Colombia.
The Xerox Alto is a computer system developed at Xerox PARC (Palo Alto Research Center) in the 1970s. It is considered one of the first workstations or personal computers, and its development pioneered many aspects of modern computing.