The History of Computer 计算机发展历史 TheHistoryofComputer FiveGenerationOfComputer 12345 FirstGeneration(1940-1956)SecondGeneration(1956-1963)ThirdGeneration(1964-1971)FourthGeneration(1971-Present)FifthGeneration(PresentandBeyond)CompanyLogo FirstGeneration:VacuumTubes Firstgenerationcomputersreliedonmachinelanguage...
history of computer development 1, the first generation computer (1946~1958) Electronic tubes are basic electronic devices. They use machine language and assembly language. They are mainly used in national defense and scientific computing. The speed of operation is thousands of times to tens of ...
II. Reading comprehension.The history of computer development falls into five different generations of computing devices(装置). Each generation is characterized by a major technological development that has changed the way computers operate, resulting in increasingly smaller, cheaper, more powerful and mor...
$1 million Weight 30 tons 10kg Covers an area of 150 square meters, 0.25 square meters An electronic device; 19 thousand tubes; 100 integrated circuits Operation speed 5000 times / sec 5 million times / sec Two, the history of computer development 1, the first generation computer (1946~1958...
At the time of this writing, three groups lay claim for having been the first to put a computer in a chip: The Central Air Data Computer (CADC), the Intel® 4004, and the Texas Instruments TMS 1000. 431 • The CADC system was completed for the Navy's “Tom ...
transistor digital computer The invention of the transistor to promote the development of the computer, after the logic element based on transistors, the size of the computer greatly reduced, reduce power consumption, improve reliability and performance than the first generation of computer has greatly...
《计算机专业英语》The History and Future of Computers Computer English Chapter 1 The History and Future of Computers
I.firstgeneration(1946~1958):electronictubedigitalcomputer Thelogicelementsofthecomputermainmemorybyusingtube,mercurydelaylineandinnovation;externalmemoryusingsoftmagnetictape;mainlyadoptsthemachinelanguage,assemblylanguage;applicationinscientificcomputing.Itischaracterizedbylargesize,largepowerconsumption,poorreliability,high...
Adopting large-scale and super large scale integrated circuit as logic switch component, the volume, weight and cost of computer are greatly reduced, and microcomputer is appeared. In the following 10 years, the microcomputer evolved from the first generation to the fourth generation. ...
Computer Science 103 Chapter 1 History of Computing History of Computing Initial Generation Computing First Generation Co