Who invented the first calculator
[DOC File]Computer History Timeline
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Pocket calculator: Pocket calculator was invented by Sharp Corporation Floppy Disk: Floppy Disk was invented by David Noble with IBM - Nicknamed the "Floppy" for its flexibility. 1972 First Video Game: Atari releases Pong, the first commercial video game
[DOC File]Terminology, chapter 1:
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Charles Xavier Thomas de Colmar (1785-1870), of France, makes his "Arithmometer", the first mass-produced calculator. It does multiplication using the same general approach as Leibniz's calculator; with assistance from the user it can also do division. It is also the most reliable calculator yet.
[DOC File]First Generation Computers
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Invented by Adam Osborne, the Osborne I was the world's first portable computer. By today's standards, it wouldn't exactly be portable because of the fact that it weighed a whopping 24 pounds. The computer had a 5-inch display, 64 kilobytes of memory, a modem, and two 5-¼ floppy disk drives.
[DOC File]Computer Revolution - Old Dominion University
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invented the first known automatic calculating machine in France in 1642. To add and subtract, the machine, the Pascaline, rotated wheels to register values and used a lever to perform the. ... Leibniz invented a calculator that could add, subtract, multiply, and divide. accurately.
[DOC File]Kanwal Rekhi School of Information Technology, IIT Bombay
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Abacus was invented by Egyptians in 450 BC. It is a rectangular wooden frame having rods on it and beeds or pebbles or shells slide freely over the rods. It was used for addition and subtraction problems. ... In 1642, a french mathmatician Blaise Pascal invented first mechanical digital calculator using gears. It was called Pascaline.
[DOC File]Calculator Spelling
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Make up some problems like this of your own. Look up the name Blaise Pascal who invented the first mechanical calculator in 1642.
[DOC File]Chronology - Weber State University
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1947: The first transistor is invented at Bell Labs. 1848: Magnetic drum memory is developed for mass storage. 1948: The EDSAC (Electronic Delay Storage Automatic Calculator) is built at the University of Manchester, a prototype that demonstrates von Neumann’s ideas of stored variables and programs in electronic memory.
[DOC File]First Electronic Handheld Calculator - The electronic hand ...
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The electronic hand-held calculator was invented at Texas Instruments in 1967 by Jack Kilby, Jerry Merryman, and James Van Tassel. Measuring 4-1/4 x 6-1/8 x 1-3/4-inches, it was the first mini-calculator to have the high degree of computational power found only at the time in considerably larger machines.
[DOC File]COMPED 1 HANDOUT
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UNIVAC – Universal Automatic Calculator or Computer- The first General- Purpose Computer to be mass produced by Eckert & Mauchly. Manufactured by Remington Rand Corp. It can calculate at the rate of 10,000 additions per second.
[DOCX File]ghulamhassan.weebly.com
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This was the first known computer and most advanced system of calculation known to date - preceding Greek methods by 2,000 years. ... also invented a more sophisticated abacus from around the 2nd century BCE, known as the . Chinese abacus. Mechanical analog computing devices appeared again a thousand years later in the .
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