Brief History of Computer Essay

?First programmable computing device The Z1 originally created by Germanys Konrad Zuse in his parents living room in 1936 to 1938 is heared to be the prime(prenominal) electrical double star programmable computer. The offset digital computer Short for Atanasoff-berry Computer, the ABC started being developed by Professor toilet Vincent Atanasoff and graduate student Cliff Berry in 1937 and continued to be developed until 1942 at the Iowa raise College (now Iowa State University). On October 19, 1973, US Federal Judge Earl R.Larson signed his decision that the ENIAC patent of invention by Eckert and Mauchly was invalid and named Atanasoff the inventor of the electronic digital computer. The ENIAC was invented by J. Presper Eckert and John Mauchly at the University of Pennsylvania and began construction in 1943 and was not completed until 1946. It employed about 1,800 square feet and used about 18,000 vacuum tubes, weighing or so 50 tons. Although the Judge ruled that the ABC computer was the prototypical digital computer many still consider the ENIAC to be the first digital computer.Because of the Judge ruling and because the case was never appealed like most we consider the ABC to be the first digital computer. However, because the ABC was never amply functional we consider the first functional digital computer to be the ENIAC. The first stored program computer The early British computer cognise as the EDSAC is considered to be the first stored program electronic computer. The computer performed its first calculation on May 6, 1949 and was the computer that ran the first graphical computer game.The first face-to-face computer In 1975 Ed Roberts coined the term personal computer when he introduced the Altair 8800. Although the first personal computer is considered to be the Kenback-1, which was first introduced for $750 in 1971. The computer relied on a serial of switches for inputting data and issue data by turning on and off a series of lights. The Micral is considered to be the first commercial non-assembly computer. The computer used the Intel 8008 processor and interchange for $1,750 in 1973. The first workstationAlthough never sold the first workstation is considered to be the drive off Alto, introduced in 1974. The computer was revolutionary for its time and included a full functional computer, display, and mouse. The computer operated like many computers today utilizing windows, menus and icons as an porthole to its operating system. The first laptop or movable computer The first portable computer or laptop is considered to be the Osborne I, a portable computer developed by Adam Osborne that weighed 24 pounds, a 5-inch display, 64 KB of memory, two 5 1/4 floppy drives, and a modem.