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Category Archive: Technology

Last Week on My Mac: Is that a thunderstorm coming? macOS 11.6, 12, and Apple Silicon Macs

When should we expect macOS 11.6? When will Monterey be released, and when will the next Apple Silicon models be announced? Here are some wild guesses.

July 25, 2021 Macs, Technology

Saturday Mac riddles 109

Here are this weekend’s riddles to entertain you through family time, shopping and recreation. 1: Nearby, this conclusion […]

July 24, 2021 General, Macs, Technology

Six years on from Yosemite to Big Sur

Haven’t Macs and macOS changed over the last six years? Here are fictitious diary entries to illustrate the deep-seated changes.

July 24, 2021 Macs, Technology

Code in ARM Assembly: Floating point registers and conversions

T T Read More

Floating point numbers are very different from integers, but are loaded and stored much the same. Conversion between registers, including to and from integers, is complex.

July 23, 2021 Macs, Technology

Preparing your Mac for someone else to own

What do you need to do before selling or giving away your Mac to someone else? Here’s a summary, covering all from Intel to M1 models.

July 22, 2021 Macs, Technology

What has changed in macOS 11.5?

Apple’s detailed release notes on changes in macOS 11.5 are a bit thin on the ground, listing only […]

July 21, 2021 Macs, Technology

Apple has now released Big Sur 11.5 update, and SUs for 10.14 and 10.15

Apple has just released the 11.5 update to macOS Big Sur. It’s of modest size, weighing in at […]

July 21, 2021 Macs, Technology, Updates

Owners and users: Primary and secondary systems on M1 Macs

T T Read More

M1 Macs have an elaborate system of keys and certificates which allow the installation of second operating systems, as well as the primary OS, based on Ownership.

July 21, 2021 Macs, Technology

Apple is just about to release Big Sur 11.5 update

At around 1725 UTC today (20 July 2021), I announced in this article that Apple had released the […]

July 20, 2021 Macs, Technology, Updates

Code in ARM Assembly: Conditions without branches

T T Read More

Where code can make simple selections according to a conditional test, it may be possible to eliminate branching and ensure rapid execution.

July 20, 2021 Macs, Technology

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