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SOFTWARE: Operating System and Utility System - Coggle Diagram
SOFTWARE: Operating System and Utility System
Software
a programs that tells the computer what tasks to perform and how to perform them
System Software
consists of the programs that control or maintain the operations of the computer and its devices
Application Software
consists of programs designed to make users more productive and/or assists with personal tasks
Example for each type of Operating System(OS)
Stand-Alone OS
Windows, Mac OS X, UNIX, LINUX
Server OS
Windows Server 2008, UNIX, LINUX, Solaris and Netware
Embedded OS
Windows Embedded CE, Windows Phone 7, Palm OS, iPhone OS, BlackBerry, Google Android, Embedded Linux, Symbian OS
Operating System
a set of programs containing instructions that work together to coordinate all the activities among computer hardware resources
Type of Operating System(OS) :
Server OS
Server OS that is designed specifically to support a network, typically resides on a server
Embedded OS
A Mobile OS resides on a ROM chip on a mobile device or consumer electronic electronic device
Stand-Alone OS
Stand-Alone OS is a complete OS that works on a desktop computer, notebook computer and mobile-computing device
11 Roles of Operating System(OS)
provide a user interface
monitor performance
establish an Internet connection
control a network
administer security
manage programs
configuring devices
coordinating task
manage memory
automatically update itself
start and shuts down a computer
Utility Program
a type of system software that allows a user to perform maintenance-type tasks
Types of Utilities Programs
Anti-virus programs
protects a computer against viruses by identifying and removing any computer viruses found in memory or storage. A virus describes a potentially damaging computer program that affects a computer negatively
Spyware remover
detect and delete spyware and other similar programs
Compression tools
to reduce the size of a file or storage
compressed files sometimes are called zipped files
can be uncompressed
compressing files frees up room on the storage media
Disk defragment
reorganizes the files and unused space on a computer's hard disk so that the operating system accesses data more quickly and programs run faster
Disk cleanup
searchers for and removes unnecessary files: Downloaded programs files, temporary Internet files, deleted files, unused program files
Backup and restore
A backup utility allows to copy files to another storage medium in case of damage or loss, a restore utility reverses the process and returns backed up files to their original form.
File manager
to provide routine file management tasks :- Displaying a list of files, organizing files in folder, copying, renaming, deleting and creating shortcuts