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TI-59 / TI-58. A TI-59 showing a magnetic storage card being inserted into the card reader in the side. The TI-59 is an early programmable calculator, that was manufactured by Texas Instruments from 1977. It is the successor to the TI SR-52, quadrupling the number of "program steps" of storage, and adding "ROM Program Modules" (an insertable ...
HP-65 in original hard case with manuals, software "Standard Pac" of magnetic cards, soft leather case, and charger The HP-65 is the first magnetic card-programmable handheld calculator. Introduced by Hewlett-Packard in 1974 at an MSRP of $795 [1] (equivalent to $4,912 in 2023) [2] , it featured nine storage registers and room for 100 keystroke ...
The continued popularity of the HP-41CX among users prompted SwissMicros to produce a miniature calculator approximating the size of an ID-1 credit card (88 mm × 59 mm × 7 mm) in 2015. Named DM41 , it runs the original HP-41CX firmware with extended memory and realtime clock in an emulator on an ARM Cortex-M0 -based NXP LPC1115 processor. [12]
A punched card (also punch card [1] or punched-card [2]) is a piece of card stock that stores digital data using punched holes. Punched cards were once common in data processing and the control of automated machines . Punched cards were widely used in the 20th century, where unit record machines, organized into data processing systems, used ...
Printed on a credit card, you'll find the card number, the cardholder’s name, when the card expires and the card's security code — all the details you need to make purchases online or in ...
The IBM 650 Magnetic Drum Data-Processing Machine is an early digital computer produced by IBM in the mid-1950s. [2] [3] It was the first mass-produced computer in the world. [4] [5] Almost 2,000 systems were produced, the last in 1962, [6] [7] and it was the first computer to make a meaningful profit. [7]
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