WebA punched card is a flexible write-once medium that encodes data, most commonly 80 characters. Groups or "decks" of cards form programs and collections of data. The term is often used interchangeably with punch card, the difference being that an unused card is a "punch card," but once information had been encoded by punching holes in the card ... Web30 de abr. de 2024 · Back in 1982, most 15-year-olds were busy skateboarding or worrying about acne. But not little Richard Skrenta. As a prank, the 15-year old high school student unleashed the first large-scale computer virus outbreak in history. The virus targeted Apple II systems and spread from one floppy drive to another.
History of computing hardware (1960s–present) - Wikipedia
Web18 de abr. de 2024 · While the Apollo Guidance Computer—a 70-pound unit placed aboard the spacecraft that offered 2.3 MHz of processing power and accepted some basic word commands—got most of the attention during Apollo 11’s historic landing on the moon in 1969, the spacecraft’s operations and communications were also managed by several … Web23 de fev. de 2024 · Intel soon switches to being notable designers of computer microprocessors. 1970 - Intel releases the 1103 chip, the first generally available DRAM memory chip. 1971 - Intel releases the 1101 chip, a 256-bit programmable memory, and the 1701 chip, a 256-byte erasable read-only memory (EROM). cso housing data
What were computers used for in the 1970s? - KnowledgeBurrow
WebComputers Gene Amdahl, father of the IBM System/360, starts his own company, Amdahl Corporation, to compete with IBM in mainframe computer systems. The 470V/6 was the company’s first product and ran the same … Web7 de jun. de 2024 · The most basic model of an HP 3000 sold for $95,000 in 1972, the equivalent of slightly over half a million in today’s dollars, but not all personal computers … WebDepending on the overall task (s) required, each unit that made up a mainframe system was a 19″ rack that usually stood about 6′ tall, with multiple modules installed. These were all … eaj international