Question: Note: It's microcontrollers Please answer all as they're short answer and it's part of an a b c d type of question. Thanks! 21. Every

 Note: It's microcontrollers Please answer all as they're short answer and

Note:

It's microcontrollers

Please answer all as they're short answer and it's part of an a b c d type of question. Thanks!

21. Every 8051 family member wakes up at address when it is powered up. 22. A programmer puts the first opcode at address 100H. What happens when the microcontroller is powered up? 23. Find the number of bytes each of the following instructions takes. (a) MOV A, #55H (b) MOV R3, #3 (c) INC R2 (d) ADD A, #0 (e) MOV A, R1 (f) MOV R3, A (g) ADD A, R2 24. Pick up a program listing of your choice, and show the ROM memory address- es and their contents

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