The Purpose & Functionality of Operating Systems (OCR GCSE Computer Science): Flashcards

Systems software that manages hardware, provides UI & enables software/hardware comms

Allows users to interact with computer hardware

Visual interface using Windows, Icons, Menus, and Pointers

Windows, Icons, Menus, and Pointers

Text-based interaction where users type commands

Manages memory allocation for programs & frees it when not needed

Several applications running simultaneously by sharing CPU time

Used when RAM is full; OS moves data between RAM & hard drive

Software allowing OS to manage input/output from peripherals

Printers, keyboards, monitors

Manage users & their access rights for security

Specific levels of access to files/resources for authorised users

Allows multiple users to interact with system simultaneously

Hierarchical structure using folders and files

Creation, naming, saving, moving, and deleting of files