Final answer:
The LC-3 instruction ADD R2, R2, #0 does not clear the contents of R2; it leaves the contents unchanged. False.
Step-by-step explanation:
The statement that the LC-3 instruction ADD R2, R2, #0 clears the contents of R2 is false. In the LC-3 assembly language, the ADD instruction is used to perform addition operations. This instruction specifies that the contents of register R2 should be added to the immediate value #0 (which is zero) and the result should be stored back into R2. Since adding zero to any value does not change the value, the contents of R2 remain the same after this instruction is executed. If the goal is to clear the register, you would typically see an instruction like AND R2, R2, #0, which performs a bitwise AND with zero, effectively clearing the register.