Generations of computers

Published May 09, 2018

Generations of computers

How did human thought come to modern understanding of computer technology, and what generations of computers played a decisive role in this? The answers to these questions are of interest to all who plunged into the world of digital technologies. And it all began in 1642, when the French scientist Blaise Pascal built the first mechanical calculating machine that performed operations of addition and subtraction...

Managing computer memory

Published May 09, 2018

Managing computer memory

Today, programs are increasing in size faster than memory, so computer memory management is a very important issue. All because the computer's memory has a hierarchical structure: a small very fast volatile cache memory, volatile RAM and non-volatile space on the hard disk. Managing computer memory reduces to coordinating...

Computer performance

Published May 09, 2018

Computer performance

The most common computer performance plays a decisive role when choosing a computer for a particular application. This term is understood as the time spent by a computer to solve a particular task. The concept of "performance" also determines some other characteristics of the computer, such as, for example, the amount of RAM. It is only natural...

Computer graphics

Published May 09, 2018

Computer graphics

Computer graphics, that is, all images created with computers can be divided into two classes - raster and vector. Programs that create and process these images on the monitor screen are called computer graphics systems. Raster computer graphics are described by the specific arrangement and color of points (pixels) tied to the grid (raster), i.e. the image is created as in a mosaic...

Open computer architecture

Published May 09, 2018

Open computer architecture

The company DEC in the early 70's. A computer with a new architecture was proposed. This open architecture of the computer allowed you to freely connect any peripheral devices, which provided free connection to the computer of any number of executive mechanisms. All this was achieved by connecting to a common information bus in accordance...

UNIX and Linux

Published May 09, 2018

UNIX and Linux

In the 60-years the last century, the employee of the Well Labs laboratory Ken Thompson wrote in the assembler an operating system, jokingly called UNICS (UNIPLEX Information and Computing Service). So the history of the operating system UNIX began. However, for each new machine to rewrite the entire system in assembler anew is difficult...

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