CGS-2060 Lecture Notes - Lecture 1: Applet, Microsoft Word, Breakcore

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24 Jan 2018
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CGS 2060 Computer Software and Buying a Computer
1. System software: instructions necessary to run, maintain, and optimize a digital device
2 major components
The operating system (OS) most important software on your computer
Utility software
Operating system software: called the OS or platform
Provides instructions necessary to run the CPU
Every computer must have an OS
Controls the functions of the computer
Determines the types and permits the use of applications (apps)
Examples: Windows, iOS, Android, Linux
Popular computer platforms:
Windows OS most common for personal computers
Max OS used on apple computers
Android OS most common phone OS
iOS operating system used on iPhones
Windows OS:
Most popular OS for personal computers
Used on a wide variety of laptops, desktops, and all-in-one computers
Mobile versions of Windows used on some tables and phones
Owned by Microsoft
Latest version is Windows 10
Strengths:
Most popular OS worldwide
Used by most businesses and government agencies
Highest selection of apps
Many manufacturers = more competition = less expensive
Weaknesses:
Often considered not as intuitive as Apple products
Possibly more prone to viruses
Constantly revised and updated
Macintosh OS:
Known for great graphics capabilities
Industry standard for photo editing, film/movie development, graphic design, etc.
Hollywood loves apple
Mac OS has a reputation for easy use
Strengths:
Considered to be very user friendly, intuitive
Outstanding graphics capability
Industry standard for photo/video editing
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CGS 2060 Computer Software and Buying a Computer
Very stable and reliable, few viruses
Attractive design
Weaknesses:
Apple devices = more expensive
Not as widely used
Not the best choice for gamers
Android OS:
Most popular smartphone OS outside of the US
Used on many tablet computers
Used on chromebook computers
Android is found on 82.8% smartphones worldwide
Strengths:
Most popular smartphone OS worldwide
Diverse variety of devices
Created by Google works well with Gmail and other Google products
Weaknesses:
Not all apps are compatible
Free apps are often accompanied with a lot of advertising
“oe ritis lai its ot as ituitie as the IO“
Linus OS:
Free and open-source software
Leading OS on servers, mainframes, and supercomputers
The underlying OS for most video game consoles and embedded computers
Android is built from the Linus OS
Very small use base approximately 1.5% of personal computers use the Linus OS
Strengths:
Open source software
Free to download and use
Freedom
Security
Weaknesses:
Steep learning curve
Lack of program compatibility many windows programs will not run Linux
Smaller selection of peripheral hardware drivers
Networking Operating System (NOS): Enables sharing of resources including programs,
printers, databases, and workstations on a local area network (LAN).
Business use NOS to administer and run their networks
Popular NOS include: Windows NT, Windows Server, and Unix.
Utility Programs: help your system run properly
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