013. OCR A Level (H046-H446) SLR4 – 1.2 Need for operating systems
About this video
OCR Specification Reference
AS Level 1.2.1a
A Level 1.2.1a
In this video we explore the most important piece of software on most computers, the operating system. We discuss the need for it, some of its important functions and its purpose.
Key question:
- What do computers need an operating system like Windows/Linux/macOS?
00:00 The need for operating systems
00:06 Intro
00:11 The function of operating systems
03:12 Resource management/multitasking
05:00 File management
05:57 User management/security
06:49 User interfaces
07:37 Key question
07:49 Outro
Last updated: 19.03.26
