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The Manchester Baby, also called the Small-Scale Experimental Machine (SSEM), [1] was the first electronic stored-program computer.It was built at the University of Manchester by Frederic C. Williams, Tom Kilburn, and Geoff Tootill, and ran its first program on 21 June 1948.
The Baby and the Mark 1 differed primarily in their use of Williams tubes as memory devices, instead of mercury delay lines. [9] From about August 1948, the Baby was intensively developed as a prototype for the Manchester Mark 1, initially with the aim of providing the university with a more realistic computing facility. [10]
The Manchester Baby was designed as a test-bed for the Williams tube, an early form of computer memory, rather than as a practical computer.Work on the machine began in 1947, and on 21 June 1948 the computer successfully ran its first program, consisting of 17 instructions written to find the highest proper factor of 2 18 (262,144) by trying every integer from 2 18 − 1 downwards.
The OLPC XO (formerly known as $100 Laptop, [2] Children's Machine, [3] 2B1 [4]) is a low cost laptop computer intended to be distributed to children in developing countries around the world, [5] to provide them with access to knowledge, and opportunities to "explore, experiment and express themselves" (constructionist learning). [6]
Baby monitors, like the Foscam wireless camera the Schrecks use, are common for parents looking for a way to check on their babies from anywhere. But that doesn't mean they're always secure.
VTech Holdings Limited (an abbreviation of Video Technology Limited or simply VTech) is a Hong Kongese company of children's electronic learning products. [5] [6] [7] It is the world's largest manufacturer of baby monitors and cordless phones.
Reader Rabbit Playtime for Baby is an educational video game, part of the Reader Rabbit series, developed by Mattel Interactive and published by The Learning Company in 1999. The game was designed for children aged 9 to 24 months as a software called "Lapware". [2] The game also comes with an extra CD containing songs. [3]
There, with Tom Kilburn and Geoff Tootill, he built the first electronic stored-program digital computer, the Manchester Baby. [15] Williams is also recognised for his invention of the Williams tube, an early memory device. [15] He supervised the research of his PhD students Richard Grimsdale [1] and Tom Kilburn. [2]