Recent comments in /f/explainlikeimfive

lurk876 t1_j9v9liu wrote

> Another common numal system for computers is the hexadecimal system, in which each digit can hold 16 values. It is useful for computers because one byte is also 16 digits (this part may be wrong, it's been a while since I've taken a computer class).

Hex is just a more human readable version of 4 bits (4 different 0/1 values). A byte is 8 bits which have 256 possible values

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metaphorm t1_j9v9gc5 wrote

Binary systems can perform all of the same computations as ternary systems. A ternary system has additional downsides (complexity) compared to a binary system and the additional upsides (certain computations, if implemented in a way that takes advantage of ternary logic, can be faster than the equivalent on a binary system) aren't a big enough upside to be worth the downside.

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lotsofmaybes t1_j9v9ai5 wrote

" Affect means to produce a change or influence something, as in 'The weather affects my mood.' It can also refer to someone's emotional state, as in 'She was deeply affected by the news.'

Effect, on the other hand, refers to the result or outcome of an action or event, as in 'The effect of the medicine was immediate.' It can also be used to describe a particular impression or atmosphere, as in 'The movie had a spooky effect.' "

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nsjr t1_j9v8zhi wrote

There were attempts to make decimal computers using voltage from 1~10v for example.

The problem happens on fluctuations, electricity being lost through wires, problems with energy escaping... And this can cause big problems of a 10 of the CPU becoming an 8 until reaches the GPU. If your part receives a 9.3v, it's a 9 that gained voltage along the current, or it's a 10 that lost it? Or an 8 that gained much more?

Binary is easy because "if there are ANY energy here, it's an 1. Otherwise, 0."

Far more reliable, electromagnetic interferes very little, error detection and correction are far more easy.

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bendvis t1_j9v8w3x wrote

Modern SSDs with Multi-Level Cells (MLCs) actually do use multiple voltage levels to store multiple bits of data in a single memory cell. Triple-Level Cells can store 3 bits per cell. QLC's can store 4 bits. They end up just converting that back to binary for transmission though.

https://www.purestorage.com/knowledge/what-is-mlc.html

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explainlikeimfive-ModTeam t1_j9v8qqt wrote

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ComesInAnOldBox t1_j9v8gm4 wrote

It isn't actually 1 and 0. The 1 and 0 refer to whether or not a switch is open or closed, and therefore a circuit powered or unpowered. The symbols for closed and open circuits are | and O, the same as you've likely seen on your power switches. 1 and 0 just became the standard for typing.

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damNSon189 t1_j9v7yya wrote

Because by definition binary means only two characters can be used. But yes there is a trinary system in which you can use 3 characters. And 4, and basically any number. Whether they are used or not depends on how useful they are. Binary, octal, decimal, hexadecimal are examples of them. What’s the usefulness of binary? That it’s the simplest in terms of how many symbols it requires: only two.

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explainlikeimfive-ModTeam t1_j9v7llp wrote

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