- Operating System: Definition
- Evolution of Operating System
- Types of Operating System
- Functions of Operating System
- Modern Operating Systems
In the early days of computer use, computers were huge machines, which were expensive to buy, run and maintain. The user at that time interacted directly with the hardware through machine language. This necessitated a search for a software, which could perform basic tasks such as recognizing input from the keyboard, sending output to the display screen, keeping track of files and directories on the disk and controlling peripheral devices such as printer and scanner. This search led to the evolution of modern-day operating system ...