1. (1 point) Which of the most widely used 8-bit microcontrollers, has the most manufacture sources? 2. ( 3 points) Give the size and address range (in hexadecimal) for RAM, ROM, and special function registers in 8051 microcontroller. 3. (1.5 points) List three embedded products attached to a PC. 4. (1 point) If a microcontroller architecture has both 8-bit and 16-bit versions, which of the following statements is true? a) The 8-bit software will run on the 16-bit system. b) The 16 -bit software will run on the 8 -bit system. 5. ( 2 points) Give the amount of ROM and RAM for the following chips. a) AT89C51. b) DS89C440 6. (1.5 points) In a battery-based embedded product, what is the most important factor in choosing a microcontroller