The computer era 1 (2497 (1954)-2501) 850
between 2497 (1954) to BC. 2501 as the era of vacuum tube computers. (Vacuum tube) which use a very high power. Even though it has a cooling system that is good, but there is a problem with the heat and the gut tube is often missing. In this era of big, such as mark day (MARK 1), E-AC (ENIAC), uni waek (UNIVAC)
computer era 2 (2502 (1959)-2507 (1964)) [fix]
.In this era of computers using a transistor (Transistor) is an electronic circuit and the magnetic ring is used as a memory. The computer is smaller than the first generation, low cost. Using less electricity and have greater accuracy. It can be assumed that high level programming language, Assembly
.
Intel 8008 ICS computer era 3 (2508 (1965)-2513 (1970)) 850
this era computer circuits, ICS (Integrated Circuit) is a semiconductor that allows you to logically cycle has already been printed on sheets of Silicon (Silicon) are called "chips", is liable to
.The computer age 4 (2514 (1971)-2523 (1980)) [fix]
.In this era of computer use LSI circuits (Large Scale Integration) is an integrated circuit c-I-a lot of Silicon into a Championship, 1 sheet can contain more than 1 million cycles. CPU
The age 5 computer (2524 (1981)-present) 850
VLSI circuits based on this era computer (integration Very-large-scale)
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