What is the history of why bytes are eight bits?
RAM is read and written in 64-bit chunks, and the processor just uses a bit of magic to make it look like you can address individual 8-bit bytes. For older architectures, "byte" indicated the …
How does it matter if a character is 8 bit or 16 bit or 32 bit
2012年7月23日 · An 8-Bit character can only have 256 possible characters. Whereas a 16-bit can have 65,536. A 32-bit character can have 4,294,967,296 possible characters. A character set …
The size of a byte in platform independent software
2021年12月9日 · A byte is at least large enough to contain any member of the basic execution character set and the eight-bit code units of the Unicode UTF-8 encoding form and is …
bit - Why are CPUs' datapaths multiple of 8? - Software …
2022年3月30日 · Operating system software needs to be able to store those 36-bit addresses, and almost certainly stores that in data structures modulo 8-bits! Application software on 64-bit …
Can I use US-ASCII and UTF-8 encoding interchangeably for an …
ASCII is a subset of UTF-8. You can read any ASCII-encoded document as UTF-8, and it will work. ASCII only uses 7 bits, and UTF-8 uses the unused eight bit to mark non-ASCII code …
What is the size of the number 65535 in bytes? [closed]
2021年8月30日 · In plain old seven bit ASCII formats, or 8 bit encodings such as the various ISO-8859-1 ("ISO Latin-1") encodings, these character codes occupy one byte each. The character …
Performance and other issues with using floating point types in C++
If you have a eight bit embedded work horse, learn how to scale and normalize inputs and by all means, carefully implement your repetitious and time consuming calculations using fixed point. …
cpu - Byte addressable vs bit addressable - Software Engineering …
2016年6月1日 · Are the extra efforts to be able to use bit wise addressing and operations worth this? I think most Data is very suitable to be stored in multibles of 8 bits. e.g. ASCII, little …
Why is a Boolean value stored as a byte inside of a computer …
2013年1月29日 · This isn't strictly speaking true. Some languages (like C/C++) provide ways of storing boolean values as single bits, if these bits are bundled in a single byte. In other words, …
How Are RAM Memory Addresses Determined
2021年4月24日 · Imagine that you have an 8-bit computer with 8-bit addresses, wired to a single RAM chip. Inside the chip, a multiplexer decodes the 8-bit address to one of 256 values, …