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Digital Deli, edited by Steve Ditlea, full text of the classic computer book; Collection of old analog and digital computers at Old Computer Museum; ZX81 Computer Online Museum; Yahoo Computers and History; IEEE computer history timeline (Archive from 2005) Links to all things Commodore; A homebrew computer club site; Computer History Museum
Up to 16k memory, able to process hundreds of cards per minute. Lists of computers cover computers , or programmable machines, by period, type, vendor and region. Early computers
Historical lowest retail price of computer memory and storage Electromechanical memory used in the IBM 602, an early punch multiplying calculator Detail of the back of a section of ENIAC, showing vacuum tubes Williams tube used as memory in the IAS computer c. 1951 8 GB microSDHC card on top of 8 bytes of magnetic-core memory (1 core is 1 bit.)
Due to the high cost of pets within the game, with some rare pets selling for up to US$300 on off-platform sites, [29] [30] a large subculture of scammers have risen within Adopt Me!. As the primary user base of Adopt Me! is on average younger than the rest of Roblox [citation needed], they are especially susceptible to falling for scams. [31] [32]
The original IBM Personal Computer, with monitor and keyboard. The IBM Personal Computer, commonly known as the IBM PC, spanned multiple models in its first generation (including the PCjr, the Portable PC, the XT, the AT, the Convertible, and the /370 systems, among others), from 1981 to 1987.
Core memory controllers were designed so that every read was followed immediately by a write (because the read forced all bits to 0, and because the write assumed this had happened). Instruction sets were designed to take advantage of this. For example, a value in memory could be read and modified almost as quickly as it could be read and written.
This includes all computer companies (except spin-offs of defunct companies which are still active and defunct software companies) that can also be found in the subcategories. This category is for defunct computer companies of the United States , including companies that designed or manufactured computer hardware and peripherals .
A vintage computer is an older computer system that is largely regarded as obsolete. The personal computer has been around since approximately 1971. [ 1 ] But in that time, numerous technological revolutions have left generations of obsolete computing equipment on the junk heap.