Question

this unit exam will assess your understanding of the assigned reading and concepts assignments from throughout the course, with some extra emphasis on unit 3, which was not assessed on the unit 1 and unit 2 exams. be aware that you will not be allowed any additional attempts on this unit exam. be sure to review the assessed material before beginning. this exam has a 60 - minute time limit. question 9 5.5 pts which of the following was the first widely used operating system installed in personal computers? symbian os microsoft windows ms - dos linux

Explanation:

MS - DOS (Microsoft Disk Operating System) was the first widely - used operating system for personal computers. It was developed in the 1980s and was the dominant operating system for IBM - compatible personal computers for many years. Symbian OS was mainly used in mobile devices. Microsoft Windows came after MS - DOS (Windows 1.0 was released in 1985, while MS - DOS was in use earlier). Linux, although an important operating system, was not the first widely - used one in personal computers.

Answer:

MS - DOS