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A microcontroller at-least should consist of:

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in Microcontroller by (14.6k points)
A microcontroller at-least should consist of:

(a) RAM, ROM, I/O ports and timers

(b) CPU, RAM, I/O ports and timers

(c) CPU, RAM, ROM, I/O ports and timers

(d) CPU, ROM, I/O ports and timers

I had been asked this question in an interview.

I want to ask this question from Introduction to Microcontroller in portion Microcontroller Basics of Microcontroller

1 Answer

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by (24.2k points)
The correct choice is (c) CPU, RAM, ROM, I/O ports and timers

Easiest explanation: A microcontroller at-least consists of a processor as its CPU with RAM, ROM, I/O ports and timers. It may contain some additional peripherals like ADC, PWM, etc.

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