MCQ PracticeWhich command will prevent subsequent changes to the file CBT.EXE?Subject: Computer Science EngineeringTopic: Disk Operating System (Dos)ARENAME + r CBT.EXEBATTRIB + r CBT.EXECCOPY + r CBT.EXEDMODE + r CBT.EXE 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