Jim Lovell, Apollo 13 astronaut, dies aged 97

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Real-mode programs freely execute CLI and STI to control interrupts, PUSHF and POPF to manipulate flags, INT n for DOS and BIOS calls, and IN/OUT for hardware I/O. In normal protected mode, these instructions are privilege-checked -- they execute normally if the caller has sufficient privilege, and fault otherwise. The 386 can't simply let V86 tasks execute them freely -- a DOS program disabling interrupts would bring down the whole system -- but trapping on every INT 21h call would make V86 impractically slow.

1. You prefer Google's cleaner approach to software One of the biggest distinctions between the Google Pixel and just about every other Android model is the software experience. I wouldn't categorize the latest Pixel launcher, on Android 16, as bare-bones, but it's certainly less intrusive and feature-packed than Samsung's OneUI. There's a handful of customization tools for the home and lock screens, but don't expect to tweak every little aspect of what you see.

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The firm's five-year contract, initially estimated to be worth £6m, has more than a year left to run - however a new company will start taking over the work in the coming months.

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