CS101 Computer Software
Jan 18, 2016
CS101
Computer Software
Software
• Software is ...
• Two main types of software are…
Applications
• Applications (also called Programs) = Instructions for the computer on how to do certain functions under the control of the __________ __________
• Examples Of Applications:
Operating System
• Set of instructions that controls _________
_____________________________.
Operating System Current Usage Percentage
• http://en.wikipedia.org/wiki/Usage_share_of_operating_systems#Desktop_and_laptop_computers
Who cares who runs your device?
Everyone else has to go through them to get to ___.
What does that mean?The tale of _________
How do they make their money?
• Microsoft– Sell _______
• Apple– Sell ________
• Google– Sell _____
Four most popular current desktop operating systems
• 1 Windows– Controls an ____ system
• 2 Macintosh OS X– Controls a ____ system
• 3 Linux– Is an ____ and ____ ___ operating system
Open source = Anyone can have source code– Example is the Ubuntu operating system we will be using in lab
________ OS (Google) is built using Linux
What explains the Mac and Windows Stereotypes?
Is it an ____ or ______ System?
What is an open or closed system?
• _____ = No one owns the rights to making a computer with that operating system installed on the computer.
• ______ = Someone dose own the rights to making a computer with that operating system on the computer.
Windows runs an open system
• Open System =
• Good
• Bad
Macintosh OSX runs a closed system
• Closed system
• Good
• Bad
Why is Chrome OS starting to catch on?
• Open system:– ______– Google make money on your ____
Evolution of the operating system interface
New User Interfaces?