1.

A micro controller at-least should consist of:

A. RAM, ROM, I/O devices, serial and parallel ports and timers
B. CPU, RAM, I/O devices, serial and parallel ports and timers
C. CPU,RAM, ROM, I/O devices, serial and parallel ports and timers
D. CPU, ROM, I/O devices and timers
Answer» D. CPU, ROM, I/O devices and timers


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