MCQ PracticeWhich of the following applies to external DOS commands?Subject: Computer Science EngineeringTopic: Disk Operating System (Dos)AExternal commands reside in RAM until calledBExternal commands are stored on disk separately from COMMAND.COMCExternal commands must always be used with the /e switchDExternal commands can only be executed from a batch file. 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