What is a word and how many bytes are in it?
What is a word and how many bytes are in it?
What is a Word? Half-word? How many bytes are there in one word?
- Anuj Dhawan
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Re: What is a word and how many bytes are in it?
In computing, "word" is a term for the natural unit of data used by a particular processor design. The mainframe "was" originally a half-word, full-word and double-word centric system.
Said that - A full-word is four bytes in length, a double-word is eight bytes long and a half-word is two bytes long.
Hope this helps.
Said that - A full-word is four bytes in length, a double-word is eight bytes long and a half-word is two bytes long.
Hope this helps.
Thanks,
Anuj
Disclaimer: My comments on this website are my own and do not represent the opinions or suggestions of any other person or business entity, in any way.
Anuj
Disclaimer: My comments on this website are my own and do not represent the opinions or suggestions of any other person or business entity, in any way.
Re: What is a word and how many bytes are in it?
So the memory will always "swap" only words and not "bits" of information?
- Robert Sample
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Re: What is a word and how many bytes are in it?
If you are talking about memory swaps (such as paging to / from auxiliary storage), the unit used is a page. And a page is 4096 bytes (4KB or 1024 words).
Re: What is a word and how many bytes are in it?
Thanks Robert (and Sandy). I look at other post of yours Robert - that also helps.
- Robert Sample
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- Joined: Fri Jun 28, 2013 1:22 am
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Re: What is a word and how many bytes are in it?
An update to my previous answer: z/OS now supports large frames for handling memory objects in the 64-bit address space (above the bar). Large frames are referenced in 1 megabyte (1,048,576 bytes) increments and are NOT paged with the older 4K pages.
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