GCSE; Edexcel; Computers - Edexcel Operating systems. The CPU is the part of a computer system that runs programs and processes data. CPUs use the fetch-decode-execute cycle to do this.

An operating system is a collection (or suite) of programs that manages and controls the computer. Operating systems have many functions: A user interface is a program, or suite of programs that ...

The complete computer made up of the CPU, memory and related electronics (main cabinet), all the peripheral devices connected to it and its operating system. Computer systems fall into two ...

A fundamental overview of operating systems (OSes) with an emphasis on practice. Topics covered include: OS structure, OS models, OS abstractions, concurrency sources, concurrency challenges, ...

We have augmented our Operating Systems course to use a Raspberry Pi in hands-on assignments such as adding systems calls to the Linux operating system running on the Raspberry Pi. The goal is for you ...

This is only just enough to run the operating system itself, leaving you almost no memory for anything else. 8GB — For most Windows 11 and MacOS systems, this will generally be enough memory for ...

On Windows 11, virtual memory is a feature that temporarily stores less frequent paging files loaded into RAM (Random Access Memory) onto the hard drive.The feature allows the operating system to ...