What is your PC?

[Cord 182]

The term personal computer and personal computer called (in English: personal computer or PC, pronounced / pi and /, v. AFI) designate a certain kind of computer, relatively small size and performance for personal use. Distinguish between the following possible meanings:

"Home computer" - the first generation of computers for personal use, translated "home computer" non-standard, now obsolete, were manufactured by different companies in different models

"IBM PC" (PC initial) - computers today obsolete from IBM, model "IBM PC" Microprocessor type Intel 8088 (an Intel 8086 with data bus 8-bit) or later, built after IA-32 architecture (Intel architecture 32-bit) and x86 called with 32 bit Intel 80386 processor; initially designed for a single user. In 2005 the American company IBM sold its PC division to Lenovo in Beijing, China, and since then no longer manufactures personal computers.

"PC" itself - current computers but they are compatible with the old specification "IBM PC". Currently manufactured by many companies (but not IBM). They generally more constructive forms. As operating system uses Microsoft Windows or Unix distribution.

"Personal Computer" - a generic term for all computers of capacity, performance and relatively small, intended for individual, whether it's "PC" s proper or not, so whether or not compatible with "IBM PC "of the above. The term covers a multitude of types of electronic computers, which are distinguished both as architectural principles, size, shape or weight physical and operating system, application software, functionality and usage.

 

These four terms above should not be confused with each other.

 

Rest of the article deals only with current computers type "PC" itself compatible with the old specification "IBM PC" .Cuprins

Characteristics

 

Since 1980 most small computers are PCs, so in terms of hardware compatible with PCs that initial company called IBM IBM PC. They use processors made by AMD or Intel companies, but certainly much faster than originally used by IBM.

 

A distinctive feature is modularity PC: even without being specialists, users can modify, extend or change memory chips, motherboard, expansion cards, hard drives and even operating system.

 

From the hardware point of view there are many models and types are PCs. Among current constructive models of success (in 2011) include for example the type "PC tablet" (in English from Tablet PC) - v. And Article tablet computer.

 

The number of PCs in use worldwide has exceeded 1 billion in June 2008 [1].

 

By contrast, there are small personal computers, portable PCs that are not (have a different architecture than personal computers type PC). Today they are manufactured for example. by Apple (Macintosh family of computers), Hewlett-Packard, RIM, SGI, Sun Microsystems division of Oracle and others. Also, strictly speaking, no appliances "smart" smartphone or tablet eg some computers. iPad, not PCs, although belonging to the great field of personal computers.

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Market and sales of PCs

 

In 2008 the global market for PC-type personal computers grew by 11.6% to 299.4 million units [2]. In 2005 it sold 218.5 million units PC, compared to 189.5 million units sold in 2004 [3] [4].

 

In the period January-September 2008 local PC assemblers in Romania have sold about 325,000 units [5].

 

In late 2008 sales of laptops surpassed those of desktop PCs. By early 2011 laptops have come to represent a quarter of total sales of IT, desktop PCs remain far behind [6].

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