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| From | Daniel70 <daniel47@eternal-september.org> |
|---|---|
| Newsgroups | comp.mobile.android, alt.comp.os.windows-10, comp.editors |
| Subject | Re: What is an animal or an SSD drive? (Was: blah, blah, blah) Android editors |
| Date | 2025-05-14 21:34 +1000 |
| Organization | A noiseless patient Spider |
| Message-ID | <1001v4m$2ftun$1@dont-email.me> (permalink) |
| References | (10 earlier) <vo6j0u$3p489$3@dont-email.me> <m0olqtFj22lU2@mid.individual.net> <vo8poc$8tqo$1@dont-email.me> <m0tp8qFdkfhU1@mid.individual.net> <voe7ev$1f0us$2@dont-email.me> |
Cross-posted to 3 groups.
On 11/02/2025 12:00 pm, Lawrence D'Oliveiro wrote: > On Mon, 10 Feb 2025 08:47:39 +0100, Arno Welzel wrote: >> Lawrence D'Oliveiro, 2025-02-09 00:35: >> >>> So you never used core memory. >> >> Correct. But core memory is not intended as *persistent* memory, >> even when it can be used this way. > > It was indeed regularly used that way. Consider that, on machines > from the core memory era, there was no “boot ROM”. The first-stage > bootloader was typically around a dozen machine instructions or so, > which had to be hand- entered using front-panel switches. I remember having to do that on a PDP-8 (was it??) in 1982-3. > (No doubt seasoned operators had this memorized.) It was handy that > this could be preserved across power cycles, assuming it didn’t get > overwritten by some wayward buggy program. > > Then there were applications that ran without an OS as such. For > example, on the PDP-8, you could load a BASIC interpreter. This would > take about 20 minutes to load off paper tape. So the fact that a > power cycle did not wipe memory was helpful if you had a lot of BASIC > programs to run. > -- Daniel70
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Re: What is an animal or an SSD drive? (Was: blah, blah, blah) Android editors Daniel70 <daniel47@eternal-september.org> - 2025-05-14 21:34 +1000
Re: What is an animal or an SSD drive? (Was: blah, blah, blah) Android editors Frank Slootweg <this@ddress.is.invalid> - 2025-05-14 12:54 +0000
Re: What is an animal or an SSD drive? (Was: blah, blah, blah) Android editors Daniel70 <daniel47@eternal-september.org> - 2025-05-16 21:29 +1000
Re: What is an animal or an SSD drive? (Was: blah, blah, blah) Android editors Frank Slootweg <this@ddress.is.invalid> - 2025-05-16 14:13 +0000
Re: What is an animal or an SSD drive? (Was: blah, blah, blah) Android editors Daniel70 <daniel47@eternal-september.org> - 2025-05-17 21:00 +1000
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