multiplier-quotient register
1PDP-8 — A PDP 8 on display at the Smithsonian s National Museum of American History in Washington, D.C.. This example is from the first generation of PDP 8s, built with discrete transistors and later known as the Straight 8. The 12 bit PDP 8 was the… …
2Abort Guidance System — (AGS) was a backup computer system in Apollo Lunar Module. It was completely different computer system than Apollo Guidance Computer (AGC) because it was designed by TRW independently from the AGC development. This computer system was intended to …
3IBM 700/7000 series — The IBM 700/7000 series was a series of large scale (mainframe) computer systems made by IBM through the 1950s and early 1960s. The series included several different, incompatible processor architectures. The 700s used vacuum tube logic and were… …
4Ferranti Mark 1 — The Ferranti Mark 1, also known as the Manchester Electronic Computer in its sales literature,[1] and thus sometimes called the Manchester Ferranti, was the world s first commercially available general purpose electronic computer.[2] It was the… …
5Ferranti Mark I — The Ferranti Mark I was the world s first successful commercially available general purpose electronic computer [ Although it was preceded by the BINAC and the Z4, BINIAC was not intended to be a general purpose computer and it was never used for …
6IBM 701 — operator s console IBM 701 processor frame The IBM 701 …
7Mechanical calculator — An old Russian mechanical calculator. A mechanical calculator is a device used to perform the basic operations of arithmetic. Mechanical calculators are comparable in size to small desktop computers and have been rendered obsolete by the advent… …
8Stepped Reckoner — The Liebniz Stepped Drum (or Step(ped) Reckoner, a translation of its German name Staffelwalze,) was a digital mechanical calculator invented by German mathematician and philosopher Gottfried Wilhelm Leibniz around 1672 and completed 1694.cite… …
9ENIAC — [ Betty Jean Jennings (left) and Fran Bilas (right) operate the ENIAC s main control panel at the Moore School of Electrical Engineering. (U.S. Army photo from the archives of the ARL Technical Library)] ENIAC, short for Electronic Numerical… …
10Elementary arithmetic — is the most basic kind of mathematics: it concerns the operations of addition, subtraction, multiplication, and division. Most people learn elementary arithmetic in elementary school.Elementary arithmetic starts with the natural numbers and the… …
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