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Miloslav Ciz 2022-12-26 15:23:35 +01:00
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computer.md
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@ -4,11 +4,12 @@ The word *computer* can be defined in many ways and can also take many different
We can divide computers based on many attributes, e.g.:
- by **representation of data**: [digital](digital.md) vs [analog](analog.md)
- by continuous or discrete **representation of data**: [digital](digital.md) vs [analog](analog.md)
- by **[hardware](hw.md) technology**: [electronic](electronics.md), [mechanical](mechanical.md), [quantum](quantum.md), biological etc.
- by **purpose**: special purpose vs general purpose, [personal](pc.md), [embedded](embedded.md), [supercomputers](supercomputer.md) etc.
- by **purpose**: special purpose vs general purpose, [personal](pc.md), [embedded](embedded.md), [supercomputers](supercomputer.md), gaming computer etc.
- by **[programmability](programming.md)**: non-programmable, partially or fully programmable
- by **other criteria**: conventional vs [quantum computers](quantum.md), gaming computers etc.
- by the theoretical **[model of computation](model_of_computation.md)** it is based on: [Turing machine](turing_machine.md), [lambda calculus](lambda_calculus.md) etc.
- by **other criteria**: price, reliability etcetc.
Computers are studied by [computer science](compsci.md). The kind of computer we normally talk about consists of two main parts:
@ -19,7 +20,7 @@ The power of computers is limited, [Alan Turing](turing.md) mathematically prove
## Typical Computer
Computers we normally talk about are [electronic](electronics.md) [digital](digital.md) mostly personal computers such as [desktops](desktop.md) and [laptops](laptop.md), possibly also [cell phones](phone.md), [tablets](tablet.md) etc.
Computers we normally talk about in daily conversations are [electronic](electronics.md) [digital](digital.md) mostly personal computers such as [desktops](desktop.md) and [laptops](laptop.md), possibly also [cell phones](phone.md), [tablets](tablet.md) etc.
Such a computer consists of some kind of [case](case.md) (chassis), internal [hardware](hardware.md) plus [peripheral devices](peripheral.md) that serve for [input and output](io.md) -- these are for example a [keyboard](keyboard.md) and [mouse](mouse.md) (input devices), a [monitor](monitor.md) (output device) or [harddisk](hdd.md) (input/output device). The internals of the computer normally include: