Inside A Pc (Month 3) Flashcards
What’s inside a pc
Graphics Card (GPU)
Motherboard
RAM
Power Supply
CPU
HDD
Health and Safety with computers
Electrical Shocks
Repetitive Strain Injury
Fatigue
Upper Limb Problems
Backache
2 types of software
Proprietary - The developer has hidden the source code so nobody can see it
(Microsoft Windows, Apple)
Non-Proprietary - Software where the developer has made the source code available for anyone to inspect
(Ubuntu, Fedora)
What is an Operating System
System software on a computing device that manages hardware resources, utilities and user applications being ran on the system.
What is the 3 components of an OS
The Kernel - basic level control of hardware and assigns, writes and processes data between hardware components
The User Interface - how the user interact with the system and what they see.
Command Line Interface or CLI - users type commands to use the os, sometime called a CUI (Character User Interface)
What is an API
(Application Programming Interfaces)
Allows developers to write modular code for the system. Not all OS can talk to all applications.
4 different Operating System Platforms
Workstations
Servers
Mobile
Embedded
Operating System Categories
Standalone - installed on the desktop, can operate independently
Network - OS is installed onto a server requiring network to access
2 categories of networks
Peer to peer network- does not have a server managing it. Can share resources but each client OS is responsible for itself.
Client-Server Network - has a server with a NOS, managing all users and network resources.
Types of OS
Server-Based OS
Windows Server
Linux Server
Application Software
Utilities and Services
Virtualisation Software
Types of Mobile OS
Apple IOS
Android OS
OS Native Applications
Microsoft Windows - Internet Explorer,
Microsoft Edge, Notepad, MS Paint, Command Prompt, Powershell
Apple OSX - Safari, TextEdit, Time Machine, Script Editor, Terminal
Apple IOS - Safari, App Store, Maps
Linux Distros - Nano, Terminal, Android, Google Chrome, Maps, Play Store