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This article mainly introduces what the world's first computer was, which has a certain reference value. Interested friends can refer to it. I hope you will gain a lot after reading this article. Let's take a look at it.

The first electronic digital computer in the world to store programs is "EDVAC". EDVAC (discrete variable automatic electronic computer) adopts binary system and is a computer with von Neumann structure. It consists of five basic parts: arithmetic unit CA, controller CC, memory M, input device I, output device O.

The first computer in the world was eniac, but the first electronic computer to implement storage was edvac.

Automatic electronic computer with discrete variables (English: Electronic Discrete Variable Automatic Computer,EDVAC) is an early electronic computer in the United States. Unlike its predecessor, ENIAC, the EDVAC is binary and is a von Neumann computer.

EDVAC uses about 6000 vacuum tubes and 12000 diodes, covers an area of 45.5 square meters, weighs 7850 kilograms and consumes 56 kilowatts of electricity.

EDVAC is a binary serial computer with the functions of addition, subtraction, multiplication and software division. An addition instruction is about 864 microseconds, and a multiplication instruction is 2900 microseconds (or 2.9ms). Using delay line memory, it has 1000 44-bit (bit) words.

Physically, it includes:

A tape recorder

A control unit connected to an oscilloscope

A distribution unit that receives instructions from the controller and memory and distributes them to other units

An operation unit

A timer.

Memory cell using mercury delay line

Features:

It can be said that EDVAC is the first general-purpose computer in the modern sense. Unlike ENIAC, the world's first electronic computer, EDVAC uses binary instead of decimal for the first time. The whole computer uses about 6000 tubes and about 12000 diodes, the power is 56KW, covers an area of 45.5m2, weighs 7850KG, and requires 30 technicians to operate at the same time.

It consists of five basic parts: 1) arithmetic unit CA (2) controller CC (3) memory M (4) input device I (5) output device O

This architecture continues to this day, and the basic working principle of the computer in use now is still stored programs and program control, so now the general computer is called von Neumann structure computer. In view of the key role that von Neumann played in the invention of the electronic computer, he was praised by Westerners as the "father of the computer".

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