Computer Science for IGCSE & O level - Software (Section 2 - No. 48)
What does the 'LDR' instruction in assembly language typically do?
Loads the value of a variable into the accumulator.
Stores the value of the accumulator in the specified variable.
Adds two numbers together.
Halts the program execution.
解释
LDR stands for load, meaning it loads value from the memory and puts it in the accumulator.