Module 5- Unit 2 OPERATING COMPUTER SYSTEMS Week 8 Oct 26, 2016– J. Smith CAP

Objectives At the end of the lesson the student should be able to: 1. Discuss at least two capabilities and parameters of operating systems after class lecturette. 2. Outline at least two methods to assess and evaluate interoperability and compatibility with system components and vendor products after lecturette.

What is an Operating System (OS)? OS is a software program that enables the computer hardware to communicate and operate with the computer software. Without a computer operating system, a computer and software programs would be useless.

What is an Operating System (OS)? Cont’d When computers were first introduced, the user interacted with them using a command line interface, which required commands. Today, almost every computer is using a Graphical User Interface (GUI) operating system that is much easier to use and operate.

Capabilities Ease of use Available software Backwards compatibility Support for new hardware Plug & Play Games Compatibility with MS driven websites

Parameters High resource requirements Closed Source Poor security Virus susceptibility Outrageous license agreements Poor technical support Hostile treatment of legitimate users Extortionist prices Additional expenses Poor stability

Types of OS Windows Mac Linux Android Android

Windows Microsoft Windows 7 - PC and IBM compatible operating system. Microsoft Windows is the most common and used operating system.

Mac Apple MacOS - Apple Mac operating system. The only Apple computer operating system is MacOS.

Linux The Linux open source operating system, or Linux OS, is a freely distributable, cross-platform operating system based on Unix that can be installed on PCs, laptops, netbooks, mobile and tablet devices, video game consoles, servers, supercomputers and more.

Linux OS cont’d

Interoperability and compatibility with system components Operation System Requirements: Example for Windows 7: 1 gigahertz (GHz) or faster 32-bit (x86) or 64-bit (x64) processor* 1 gigabyte (GB) RAM (32-bit) or 2 GB RAM (64-bit) 16 GB available hard disk space (32-bit) or 20 GB (64-bit) DirectX 9 graphics device with WDDM 1.0 or higher driver Taken from: https://support.microsoft.com/en- us/help/10737/windows-7-system-requirements

Interoperability and compatibility with system components Computer Manufactures (Motherboards) See example below: http://www.gigabyte.com/products/product- page.aspx?pid=4905#sp

Client requirements What does your client need? Is it Space? Size? Speed? Normal?

STOP!!! Complete activity and assignment on slides 16 and 17. Submit by email. Send to: rambolevy11@gmail.com

Activity 60 mins Groups of three Search for Specification in groups of 3 using Internet connection. Select a Motherboard from the list below and document its CPU, chipset, memory, back panel connectors and software Bundle. Discuss individually why you would or would not use the motherboard selected. Chipset Model 915P GA-8I915P Duo GA-8I915P-D GA-8I915PC Duo GA-8I915P-G GA-8I915P Dual Graphic GA-8I915P Pro GA-8I915P Duo Pro-A GA-8I915P Duo-A GA-8I915P Duo Pro GA-8I915P-MF GA-8I915P-D Pro GA-8GPNXP Duo

Assignment Explain how the Windows 7 OS is installed? Document it step by step.