Define the following types of Operating Systems
a. Real time
b. Multi User
c. Distributed
d. Embedded
Answers
Answer:
a) A real-time operating system is an operating system intended to serve real-time applications that process data as it comes in, typically without buffer delays. Processing time requirements are measured in tenths of seconds or shorter increments of time.
b) Definition: A Multi-user operating system is a computer operating system which allows multiple users to access the single system with one operating system on it. It is generally used on large mainframe computers.
Example: Linux, Unix, Windows 2000, Ubuntu, Mac OS etc.
c) distributed operating system is an important type of operating system. An operating system is basically, a program that acts as an interface between the system hardware and the user. Moreover, it handles all the interactions between the software and the hardware.
d) Embedded operating systems are designed to be used in embedded computer systems. They are designed to operate on small machines with less autonomy (e.g. PDAs). They are very compact and extremely efficient by design, and are able to operate with a limited amount of resources. Windows CE and Minix 3 are some examples of embedded operating systems.
Answer:
Real Time : A real-time system is defined as a data processing system in which the time interval required to process and respond to inputs is so small that it controls the environment. The time taken by the system to respond to an input and display of required updated information is termed as the response time. So in this method, the response time is very less as compared to online processing.
Real-time systems are used when there are rigid time requirements on the operation of a processor or the flow of data and real-time systems can be used as a control device in a dedicated application. A real-time operating system must have well-defined, fixed time constraints, otherwise the system will fail. For example, Scientific experiments, medical imaging systems, industrial control systems, weapon systems, robots, air traffic control systems, etc.
Multi user : A Multi-user operating system is a computer operating system which allows multiple users to access the single system with one operating system on it. It is generally used on large mainframe computers.
Distributed : A distributed operating system is system software over a collection of independent, networked, communicating, and physically separate computational nodes. They handle jobs which are serviced by multiple CPUs. Each individual node holds a specific software subset of the global aggregate operating system.
Embedded : Introduction to Embedded Operating Systems. Embedded Systems are a specially designed computer system that essentially contains software and hardware for performing specific tasks. Mobile Phones, Laptops, Cameras, Washing Machines, ATMS, and Hair Straightener etc are examples of Embedded System