Q1: MULTIPLE CHOICE QUESTIONS (Please choose the correct answer): 1. A microcontroller 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 (10 MARKS) 2. What is the order decided by a processor or the CPU of a controller to execute an instruction? a) decode,fetch,execute b) execute,fetch,decode c) fetch,decode,execute d) fetch,execute,decode 3. What is the file extension that is loaded in a microcontroller for executing any instruction? a).doc b).hex c) .txt d) .c