Problem1.1: Each row of the following table is to contain an equal value expressed in binary, hexadecimal, and decimal. Complete the missing values. Assume the decimal values are unsigned. The first row illustrates the process. Binary 2 01101001 Hexadecimal 69h 48h Decimal 105 49 2 11001110 F5h Problem1.2: For 80C51: 1. What does it mean for the character "C" 2. What are the characteristics for its system topology? 3. What is the difference between the instruction for accessing on-chip RAM and off-chip RAM? Problem 13: For 80C51, what is the function of the pin ER7 when you use the 8051 MCU. how to correctly configure the EA pin? Problem1.4: For the lower 128byte on-chip RAM in 80C51, how many segments (or partitions) it has and what are the functions for each segment