WGU - Introduction to Information
Technology (D322) - Section 5: Computer
Software
What is system software?
General-purpose software used to operate computer hardware.
Provides a platform to run application software and performs tasks that are common to the
computer system and provides the infrastructure to allow application software to interface with
hardware
What are the two types of system software?
Utility software and operating systems
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What is application software?
Programs designed to perform specific tasks
Also known as productivity software. Examples include spreadsheet software, database
software, accounting software, etc.
, What is software hierarchy?
What is computer science?
The study of computers and computational systems
What is computer engineering?
Deals explicitly with hardware creation
What is software development?
Deals with software creation and management
What is an operating system?
Software that manages computer hardware and software resources and provides common
services for computer programs
Performs all basic tasks like file management, memory management, process management,
I/O, and controlling peripheral devices
What are the three most widely-used operating systems?
Windows, MacOS, and Linux
What is Windows?
A closed-source, proprietary operating system developed by Microsoft, which maintains the
largest market share for server and personal computing operating systems
What is MacOS?
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