8-3
Software
8-3-1 OS (Operating System)
An OS (Operating System) is the minimum software that is needed to run
a computer. Software other than the OS expands the range of application
for a computer.
OS
Abbreviation for “Operating System.”
Chapter 8
1
Reference
Needs of an OS
Type
Description
Examples
Software that manages and controls hardware and application
software.
Usually called an “OS.” In broader terms, it includes utility programs and language processors.
OS
Utility program
Language processor
Middleware
Software that operates between
the OS and application software.
Provides basic functions that are
commonly used in many areas of
application.
Database management
system
Communications management system
Operations management tool
Software development
system
Common
application
software
Software that is commonly used
for a variety of industries and
work.
Word processing software
Spreadsheet software
CAD/CAM
Statistical software
Graphics software
Groupware
Specific
application
software
Software that is used for specific
industries and work.
Payroll calculation software
Financial accounting
software
Sales management software
Production management
system
Basic
software
Computer system
The “OS” is the software that manages and controls the hardware and application software. Also referred to as “basic software.”
It acts