Answer:
The last option of the following statement is correct.
Step-by-step explanation:
The following option is incorrect because when the users doing some works on word processing software in the computer system and suddenly the power turned off then, all the data of the user will be lost if the user does not save his document. The software in the computer system runs on the temporary memory that is RAM and when we save our work in the form of files then it stores in the permanent memory.