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1. Their are _____ number of addressing modes found for the source and _____ number of modes for the destination part?
a) 4,4
b) 2,4
c) 4,2
d) 2,2

Answer: c [Reason:] In MSP430, their are basically four addressing modes, out of which four are there for the source part and only two are their for the destination.

2. MSP430 describes reti instruction as
d) None of the mentioned

Answer: b [Reason:] MSP430 describes reti instruction as that type of addressing which consists of only single operand, so it comes under Format2 addressing.

3. mov.w R3, R4 takes
a) one cycle
b) two cycles
c) four cycles
d) eight cycles

Answer: a [Reason:] mov.w R3, R4 takes only one cycle to transfer the data from register R3 to R4. This type of mode of addressing is called the register mode of addressing.

4. Indexed addressing can be used for
a) source
b) destination
c) both of the mentioned
d) none of the mentioned

5. What do you understand form this instruction mov.w X(PC), R6
a) R6= X+PC
b) R6= PC-X
c) R6= -X-PC
d) R6= -X+PC

Answer: a [Reason:] This instruction mov.w X(PC), R6 means that the contents of X+PC address are copied to the R6 register.

6. Absolute mode uses which of the following operators?
a) %
b) /
c) \$
d) &

Answer: d [Reason:] Absolute mode uses the & operator to transfer a constant to a register.

7. Indirect register mode is used by
a) source register
b) destination register
c) both of the mentioned
d) none of the mentioned

Answer: a [Reason:] Indirect addressing mode is used only by the source register.

8. Indirect mode and the indirect auto increment mode have which common operator in them
a) +
b) –
c) @
d) &

Answer: c [Reason:] Both the indirect and the indirect auto increment mode uses the @ operator for the source register to transfer the data from one memory location to a register.

9. Are the two instructions similar
mov.w @R5+, R6 and mov.w R6,0( R5)
incd.w R5
a) yes
b) no
c) cant be said
d) depends on the conditions

Answer: a [Reason:] Yes, both the statements are similar to each other.

10. mov.w @PC+,R6 is a type of