Lenovo E46L QD LL6 R1A 20090715 Schematic Circuit Diagram - Motherboard Schematic Circuit Diagram and Bios

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Sunday, January 30, 2022

Lenovo E46L QD LL6 R1A 20090715 Schematic Circuit Diagram

Lenovo E46L QD LL6 R1A 20090715 Schematic Circuit Diagram

Lenovo E46L QD LL6 R1A 20090715 Schematic Circuit Diagram

The Electric Computer Invention Short History

ENIAC used around vacuum tubes and installed the vacuum tubes need square feet (167 square meters) of floor space, and need to consume around watts of electrical power. Punched cards operated as the input and affair, and registers operated as connectors and as quick-access read/ write storage. 

 The executable instructions composing a given program were created via specified wiring and switches that controlled the inflow of calculations through the machine. As similar, ENIAC had to be rewired and switched for each program to be run. 

Although Eckert and Mauchly were primarily given a patent for the electronic computer, it was latterly voided and the patent was awarded to John Atanasoff for creating the Atanasoff-Berry Computer. 

 Before 1945, the mathematician John von Neumann displayed that a computer could have a simple, fixed physical structure and still be able of executing any kind of mathematical calculation practically by means of proper programmed control without any changes in hardware. In other words, you could change the program without rewiring the system? The stored program method, as von Neumann’s ideas are known, came primarily for coming generations of high-speed digital computers and has come widely espoused. 

The first generation of ultramodern programmed electronic computers to take advantage of these advancements appeared in 1947. This group of machines included EDVAC and UNIVAC, the first commercially available modern computers. These computers included, for the first time, the use of true arbitrary access memory (RAM) for storing the corridor of the program and the data that's demanded fast. Generally, they were programmed directly in machine language, although by the mid-1950s progress had been made in several aspects of advanced programming. The name of the time is the UNIVAC (Universal Automatic Computer), which was the first true general-purpose computer designed for both alphabetical and numerical uses. This made the UNIVAC a standard for business, not just knowledge and the service.


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