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If the device is programmed with a bootloader, the application image is loaded in _________ interface.

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If the device is programmed with a bootloader, the application image is loaded in _________ interface.

(a) UART

(b) USB

(c) SPI

(d) I2C

This question was posed to me in a national level competition.

My query is from USB Bootloader topic in division IoT Security, Understanding and Setting up the Base IoT Hardware of IOT

1 Answer

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Best answer
The correct option is (b) USB

The best explanation: An uninitialized device requires the bootloader to be flashed over the debug interface. Once the device is programmed with a bootloader, the application image is loaded in USB interface.

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