Problem 1: multiple choice: 3 points each (21 points total) 1. Which statement(s) is true for Indexed Addressing: a. it can use a constant offset b. it can use an accumulator based offset c. the index register can be automatically decremented to set the effective address d. all of the above 2 Which of the statements is most correct regarding assembler directives. can be used to allocate memory for variables is not executable code used by the assembler to build executable code all of the above a. b. c. d. 3 Which of the statements about the C bit in the CCR register is true? a. the C bit-1 if the result of a subtraction is valid b, the C bit = 0 if the result of an addition is valid c. the C bit indicates an unsigned overflow d. all of the above Which statement(s) is true for Indirect Indexed Addressing: a. the effective address is stored in memory b. it is not useful for accessing elements in complex data structures 4. c. the effective address is indicated by the address register and offset d. all of the above 5. The program counter is modified by which of the following a. the decode phase on an instruction's execution b. by the 'ORG' directive c. when a subroutine terminates with RTS d. all of the above 6. Which of the statements about the Z bit in the CCR register is true? a. if Z = 1 for a BEQ instruction, then the branch will be taken b. the instruction BCLR SCO00 SFE will cause the Z bit to be set to0 c. the Z bit is not affected by a CMP instruction d. all of the above 7. Which phase of an instructions execution will not involve a read cycle a. opcode fetch b. opcode decode c. operand fetch d. execute