MCQ PracticeAn audit trailSubject: Computer Science EngineeringTopic: Database SystemsAis used to make back-up copiesBis the recorded history of operations performed on a fileCcan be used to restore lost informationDAll of the above E. None of the aboveCorrect Answer: BPractice QuizBack to MCQsRelated MCQsCurrent flows in a circuit whenEighttenths coulomb passes a point in 4 s. The current in amperes isThe unit of electrical charge is the