Sunday 16 October 2016

Chapter 5

Chapter 5 - Types of Utility Programs and Operating Systems
September 14th, 2016. Wednesday.


System Software consists of the programs that control or maintain the operations of the computer and its device. System software are such as operating systems and utility programs.

An operating system or other words also known as (OS) is a set of programs containing instructions that work together to coordinate all the activities that work together to coordinate all the activities among computer hardware resources. These activities includes the starting and the shut down of a computer, the management of the memories and programs in the computer, task coordination, internet connection establishment, monitor performance, administer security, and so on.

Operating System Functions
The process of starting or restarting a computer is called booting. This booting may be specified into two different groups, which are cold booting and warm booting. Cold booting is when you are turning on a computer that has been powered off completely. Whereas warm booting you are using the operating system to restart the computer.

A boot drive is the drive from which your computer starts. You may also boot from a boot disk.  A recovery disk contains a few system files that will start the computer.

A user interface controls how you enter data and instructions and how information is displayed on the screen. With a graphical user interface (GUI), you interact with menus and visual images.
Memory management optimizes the use of RAM.  Virtual memory is a portion of a storage medium functioning as additional RAM.



A performance monitor is a program that assesses and reports information about various computer resources and devices.

Stand-Alone Operating Systems
Windows 7 provides programs such as Windows Firewall, Windows DVD Maker, WIndows Media Player, Desktop Gadget Gallery, and many more. These are examples of stand-alone operating systems.

The Macintosh operating system has set the standard for operating system ease of use. Latest version of such is the Mac OS X.

Utility Programs
A utility program is a type of system software that allows a user to perform maintenance-type tasks.

A file manager is a utility that performs functions related to file management. Such as displaying a list of files, organizing files in folders, and creating shortcuts.

A search utility is a program that attempts to locate a file on your computer based on criteria you specify.

Disk defragmenter reorganizes the files and unused space on a computer's hard dish so that the operating system accesses data more quickly and programs run faster. This process is known as defragmenting. 

Spyware is a program placed on a computer without the user's knowledge that secretly collects information about the user. Note that a spyware remover could detect and delete spywares and other similar programs.

Adware displays on online advertisement is a banner or pop-up window. An adware remover  is a program that detects and deletes adware.

A media player allows you to view images and animation, listen to audio , and watch video files on your computer.


Disc burning software writes text, graphics, audio, and video files on a recordable or rewritable optical disc.

A personal computer maintenance utility identifies and fixes operating system problems, detect and repairs disk problems, and includes the capability of improving a computer's performance.

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