2. WHAT IS AN OS?
• OS stands for operating system
• It is a program that lets you interact with the
computer
• It runs on a computer and manages the computer
processes, the hardware and software.
3. WHAT ARE THE FUNCTIONS?
•It manage the hardware and software resources of
the computer system
•It provides a stable and consistent way for
managing applications or program to match with
the hardware
•It can add security updates, system patch, new
application and formatting commands to install a
fresh operating system in case of malfunctioning.
4. WHAT ARE THE FUNCTIONS?
•It can be installed and used for special purpose
applications like robotics, real-time control system.
•It can be changed and modified because it is made
up of portable codes.
•It performs the tasks of managing the following
-processor, memory, device, storage,
application interface, user interface
5. TYPES OF OPERATING SYSTEM
1. REAL TIME OPERATING SYSTEM (RTOS)
- this is used to control machinery, scientific
instruments and industrial system.
2. SINGLE –USER; SINGLE TASK
- it is designed to manage the computer so that
the one user can effectively do one thing at a time
6. TYPES OF OPERATING SYSTEM
3. SINGLE-USER; MULTI-TASKING
- it is a type of operating system that most
people use using desktop and laptop.
Examples: MS Windows, Apple Mac OS
4. MULTI-USER
- it is allows many different user to take
advantage of the computers resources
simultaneously.
