MCQ PracticeWhich of the following system calls returns one or more file descriptors?Subject: Computer Science EngineeringTopic: UnixAdup, dup2BfcntlCpipeDdup, dup2, fcntl and pipeCorrect Answer: DPractice 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