
Operating Systems
1. What is an operating system? Explain the six types of operating systems.
Ans: An ‘operating system’ (OS) is a collection of system programs that together control the
operation of a computer system. The OS along with hardware, application and other system softwares
and users constitute a computer system. It is the most important part of any computer system. It acts as
an intermediary between a user and the computer hardware. The OS has evolved immensely from its
primitive days to the present digital era. From batch processing systems to the latest embedded systems,
the OS can be classified into six broad categories ...