1 Generally, a modern microcontroller uses A. only RAMS memory to store program code. B. only DRAM C. only Flash ROM D. both RAM and ROM 2. An 8-bit microcontroller uses A an 8-bit address bus B. only 8-bit control signals only 8-bit control signals only 8-bit control signals only 8-bit control signals only 8-bit control signals C. an 8-bit data bus D. an 8-bit program counters register 3. For the 8051 microcontroller, the lowest 8 bytes of on board RAM are A. Bank 2 B. Bank 1 C. Bank 0 D. Bank 3 4. Which of the following 8051 registers contains the address of the next instruction to be executed? A. A B. RO-R7 C. PC D. B 5. Which of the following is actually stored in on-chip program memory? A. Java codes of the application program B. The assembly source files of the application program C. The hex object codes of the application program D. C codes of the application program 6. What is the maximum number of memory locations (bytes) that can be accessed by an address bus that is 16 bits wide? A. 8 B. 64 C. 64K D. 8K