Professional Exam / Uncategorized / By Seun Welcome to your Systems Admin NQF4 Examination Name Email College / Institution CellPhone Which of the following is an output device? Mouse Keyboard Joystick Printer None The OSI model has how many layer? 6 8 3 7 None Which of the following is correct? 35 000 MB is the same as 350 GB 3500 GB 35 GB 35000 GB None Which of the following is an operating system? Microsoft Word Malware Linux Driver None Time's upTime is Up!