Question

Which mode in arm has fewest registers available?

Answer 1

operating mode
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operating mode in arm has fewest registers available.

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1) Supervisor mode is protected mode for the operating system.

2) all modes are privileged apart from User mode.

3) Fast Interrupt mode supports a data transfer or channel process. 

4) Interrupt mode is used for general-purpose interrupt handling. 

Answer 2

Heya,

your answer is here -

operating mode

HOPE IT HELPS YOU