1. The second byte of an instruction in the immediate addressing mode is_ A. a label B. an opcode C) an address value D, a data value 2. The addressing mode for the instruction ADD A, R7 is the A indexed addressing mode C. relative addressing mode mode B. immediate addressing mode register 3. Which addressing mode used for pushing information onto the stack? A. Direct addressing mode C. Relative addressing mode D. Register addressing mode B. Indexed addressing mode 4. What is the result in the accumulator after the execution of the following program segment? MOV A, #13H ADD A, #17H ADD A, #10H A. 1BH B. 40H C. 28H D3AH 5. A microcontroller's program counter is typically as wide as the B. control bus A. data bus C. largest bus width D. address bus 6. Which of the following instructions used to access data elements of lookup table entries located in the program ROM space of the 8051? A MOV@RO, A C. MOV A, @A+DPTR B. MOV @A, @R1 O MOVC A, @A+DPTR 7. Generally, a modern microcontroller uses memory to store program code. A. only RAMS B. only DRAM C. only Flash ROM D. both RAM and ROM 8. An 8-bit microcontroller uses A. an 8-bit address bus C. an 8-bit data bus B. only 8-bit control signals .n 8-bit program counters register 9. 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 0. Which of the following 8051 registers contains the address of the next instruction? A. A B. RO-R7 C. PC D. B 11. Which of the following is actually stored in on-chip program memory? A C codes of the application progranm