Operating Systems

Operating Systems

1. WHAT IS A OPERATING SYSTEM?

   • Is a component of the system software. Manages the hardware and the software of the computer.

2. HOW A OPERATING SYSTEM WORKS?

   • Operating systems provide a software platform on which other programs, called applications, can function. Applications are programmed to operate on a particular operating system, therefore, the choice of operating system largely determines the applications that can use.

3. TYPES OF OS

   • Multi-user
   • Single-user, multi-tasking
   • Single-user, single task
   • Real-time operating system

4. OS FUNCTIONS

   • Applications
   • 1/0 management
   • Device drivers
   • CPU management
   • Hardware
   • Memory Management

5. OS DEVELOPEMENTS

   • The first systems (1945-1955) were great from the master console operated by systems programmers. Over the next decade (1955-1965) were carried out advances in hardware: card readers, printers, magnetic tapes, etc. This in turn led to a breakthrough in the software: compilers, assemblers, loaders, device drivers, etc. In the late 1980s, a computer equipped with an accelerator Commodore Amiga Video