Which of the following statements is correct?单项选择题

题目图片
A

a. Application and system software are both the same thing.

B

b. Utility software is a type of application.

C

c. System software allows the user to use a device, application software allows a user to complete a task.

D

d. System software allows the user to complete a task, application software allows the user to use a device.

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