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| author | Tobias Klauser <tklauser@distanz.ch> | 2008-01-27 11:37:44 +0100 |
|---|---|---|
| committer | Tobias Klauser <tklauser@xenon.tklauser.home> | 2008-01-27 11:37:44 +0100 |
| commit | 7e0f021a9aec35fd8e6725e87e3313b101d26f5e (patch) | |
| tree | b1cacc4b24393f517aeb4610e9e1021f954307a8 /reference/C/CONCEPT/bitsnbytes.html | |
Initial import (2.0.2-6)2.0.2-6
Diffstat (limited to 'reference/C/CONCEPT/bitsnbytes.html')
| -rw-r--r-- | reference/C/CONCEPT/bitsnbytes.html | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/reference/C/CONCEPT/bitsnbytes.html b/reference/C/CONCEPT/bitsnbytes.html new file mode 100644 index 0000000..a271c9d --- /dev/null +++ b/reference/C/CONCEPT/bitsnbytes.html @@ -0,0 +1,84 @@ +<title>Bits 'n Bytes</title> +<body bgcolor="#ffffcc"> +<hr> +<center> +<h1>Bits 'n Bytes.</h1> +</center> +<hr> + +This is basic Computer Science but its worth restating the basics +sometimes. +<p> +<hr> +<h2>bits</h2> + +A bit is the smallest component in computer memory, it has +two states, either ON or OFF. These states are represented as 1 or 0 +and thus everything is based on binary arithmatic. +<pre> +Off == 0 +On == 1 +</pre> +<p> +<hr> +<h2>Bytes</h2> + +For convinence, bits are grouped into blocks of 8, these blocks +are called Bytes. +An integer byte can store any value from 0 -> 255. + + ------------------------- + 128 64 32 16 8 4 2 1 + ------------------------- + 8 4 2 1 8 4 2 1 + ------------------------- + F F + ------------------------- + +<h2>KiloBytes</h2> + +This is a thousand bytes. The exact value is 2 to the power of <superscript>10</superscript> +or 1,024 + +<h2>MegaBytes</h2> +This is a Million bytes. The exact value is 2 to the power of <superscript>20</superscript> +or 1,048,576 + +<h2>GigaBytes</h2> + +The exact value is 2 to the power of <superscript>30</superscript> +or 1,073,741,824 + +<h2>TeraBytes</h2> + +The exact value is 2 to the power of <superscript>40</superscript> +or 1,099,511,627,776 (big....) + +<p> +<hr> +<p> +<center> +<table border=2 width=80% bgcolor=ivory> +<tr align=center> +<td width=25%> +<a href="../cref.html">Top</a> +</td><td width=25%> +<a href="../master_index.html">Master Index</a> +</td><td width=25%> +<a href="../SYNTAX/keywords.html">Keywords</a> +</td><td width=25%> +<a href="../FUNCTIONS/funcref.htm">Functions</a> +</td> +</tr> +</table> +</center> +<p> + +<hr> +<address>Martin Leslie +<script language="JavaScript"> +<!-- // +document.write(document.lastModified); +// --> +</script> +</address> |