MCQ PracticeIn MS-DOS you can use small or capital letter of combination of both to enter a command but internally MS-DOS work with.Subject: Computer Science EngineeringTopic: Disk Operating System (Dos)ASmall letterBCapital letterCBoth a and bDNone of 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