Homework #1 Q1. (Memory) Find the address and data pins for 256K x 8 RAM. Draw a block diagram showing the direction of address bus and data bus. Q2. (Embedded System) Draw a block diagram (and identify the components) of typical embedded system that contains a microcontroller Q3. (Embedded System) Write a sentence on each criterion that should be considered for choosing a microcontroller Q4. (Code placement) Following 8051 assembly language program starts at address 0000H in ROM. Write the addresses for all instructions. Machine Code 7D25 2D 7F34 2F 7400 Assembly code MOV R5, #25H ADD A, R5 MOV R7, #34H ADD A, R7 MOV A, #0 Q5. (PSW and Flags) Find the CY, AC, and P flags for the following code. MOV A, #0C2H ADD A, #3DH Q6. (Stack and Stack Pointer) Show the stack and the stack pointer when the following code is executed. Assume initial default value of the stack pointer. MOV R5, #25H MOV R4, #24H PUSH 5 PUSH 4 Q7. (Program Loop) Write a program to load the accumulator (ACC) with a value of AAH, and then complement ACC for 625 times