Five Generation of Computers in History

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<ul><li><p>7/31/2019 Five Generation of Computers in History</p><p> 1/4</p><p>Five Generation of Computers in History</p><p>1. First Generation (1944-1959)</p><p>Vacuum tube as a signal amplifier, a typical first-generation computer. Initially, vacuum tubes</p><p>(vacuum-tube) is used as a component of the signal amplifier. Raw materials consist of glass,</p><p>so much has disadvantages, such as: easily broken, and easy to distribute the heat. This heat</p><p>needs to be neutralized by other components that serves as a coolantAnd with the additional</p><p>component, the computer finally appeared to be a big, heavy and expensive. In 1946, the</p><p>world's first electronic computer the ENIAC sesai made. On the computer contained 18,800</p><p>vacuum tubes and weighs 30 tons. so large in size, to the point that requires a separate</p><p>classroom.In theseems image ENIAC computer ,which is the world's first electronic computer</p><p>that has a weight weighing 30 tons ,length 30 M and 2.4 M high and requires 174 kilowatts of</p><p>electrical power</p></li><li><p>7/31/2019 Five Generation of Computers in History</p><p> 2/4</p><p>2. Second Generation (1960-1964)</p><p>The transistor is a hallmark of second-generation computer. Raw material consists of three</p><p>layers, namely: "basic", "collector" and "emmiter". The transistor is an abbreviation of the</p><p>transfer resistor, which means that by influencing the resistance between two of the three</p><p>layers, then the power (resistor) which is in the next layer can also be affected.Thus, the</p><p>transistor functions as a signal amplifier. As a solid component, tansistor has many advantages</p><p>such as: not easily broken, do not distribute the heat. and thus, the computers that are</p><p>becoming smaller and cheaperIn the 1960s, IBM introduced the commercial machine that uses</p><p>transistors and is widely used starting in the market. IBM-7090 computer made in the United</p><p>States is one of the commercial machine that uses transistors.This computer is designed to</p><p>solve all kinds of jobs both scientific and commercial. Because of its speed and ability, leadingto the IBM 7090 became very popular. Other second-generation computers are: IBM Serie</p><p>1400, Serie NCR 304, MARK IV and the Honeywell Model 800.</p><p>3. Third Generation (1964-1975)</p></li><li><p>7/31/2019 Five Generation of Computers in History</p><p> 3/4</p><p>The concept of the smaller and more affordable than transistors, eventually spur people to</p><p>continue to conduct various studies. Thousands transistor finally combined in one form a very</p><p>small. Silicium piece yag have successfully created the size of a few millimeters, and is called</p><p>an integrated circuit or IC-chip that are characteristic of third generation computers.Magnetic</p><p>ring can be in-magnetization in one direction or the opposite, and finally to sinyalkan condition</p><p>"ON" or "OFF" which is then translated into the concept of 0 and 1 in the binary number</p><p>system that is needed by the computer. In every field there are 924 memory magnetic rings,</p><p>each representing one bit of information. Millions of bits of information currently resides in a</p><p>single chip with a very small form.Computers are used to automate first introduced in 1968 by</p><p>PDC 808, which has 4 KB (kilo-byte) memory and 8 bits for core memory</p><p>4. Fourth Generation (1975-Present)</p><p>Chiri typical microprocessor is the fourth generation of computers that are thousands of</p><p>compaction into an IC chip. Because the form of an increasingly small and growing capabilities</p><p>and the price offered is also getting cheaper. Microprocessor is the beginning of the birth of</p><p>personal computers. In 1971, Intel Corp., later developed the first microprocessor serie</p></li><li><p>7/31/2019 Five Generation of Computers in History</p><p> 4/4</p><p>4004.Examples of this generation is the Apple I computer which was developed by Steve</p><p>Wozniak and Steve Jobs with how to enter the microprocessor on the circuit board computer. In</p><p>addition, later appeared TRS Model 80 with type Motorola 68000 processor and Zilog Z-80 uses</p><p>64KB of RAM standard.Computer Apple II-e are using the processor type and Ram 6502R is 64</p><p>Kb, is also one of the PC is very popular at that time. Operating systems used are: CP / M 8 Bit.</p><p>This computer is very popular in the early 80's.IBM Personal Computer was churning out</p><p>around the year 1981, using the Operating System 16 Bit MS-DOS. Due to the price offered is</p><p>not much different from other computers, besides the technology is much better and bigger</p><p>than IBM's own name, then in a very short time the computer has become very popular.</p><p>5. Fifth Generation (now - future)</p><p>In this generation is marked by the emergence of: LSI (Large Scale Integration), which is the</p><p>solidification of thousands of microprocessors into a microprocesor. In addition, also marked by</p><p>the emergence of microprocessor and semi-conductors. Companies that make micro-</p><p>processors are: Intel Corporation, Motorola, Zilog and others again. Market we can see a</p><p>microprocessor from Intel with models 4004, 8088, 80286, 80386, 80486, and</p><p>Pentium.Pentium-4 is the latest production from Intel Corporation that is expected to cover all</p><p>the weaknesses that exist in previous products, in addition, possessed the ability and speed of</p><p>the Pentium-4 also increased to 2 Ghz. The pictures that appear to be smoother and sharper,in addition to the speed of processing, sending or receiving images also become faster and</p><p>faster.</p>http://www.pclaunches.com/computers/philco_pc_is_futuristic_and_ugly.php</li></ul>