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Module 1: Fundamentals of Microprocessors

20232m

The value of RAM is to ROM size ratio is lower in?
(i) Microprocessor based systems
(ii) Microcontroller based systems
(iii) Both (i) and (ii)
(iv) None of the above

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Answer: (ii) Microcontroller based systems

Explanation: Microcontrollers are single-chip systems with on-chip ROM + RAM + I/O optimized for control tasks, so they need small RAM relative to ROM (code heavy). Microprocessor-based systems use large external RAM for general computing. Hence RAM:ROM ratio is lower in microcontroller-based systems.

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