Computer Software and Buying a Computer

System Software

the software needed to run the computer and its programs it includes the operating system and utilities.

Operating System

software that communicates with the hardware and allows other programs to run.

Utility Software

the programs that provide maintenance support for the computer

Platform

another way to refer to a device's operating system

macOS

advantages: relatively few viruses; outstanding graphics capabilities; attractive design.

macOS

disadvantages: not as widely used as personal computers; generally cost more than comparable PCs; can use only its proprietary or licensed software

Android Advantages

integrated with Gmail and other Google Products; phone apps are easily obtained and often free

Android Disadvantages

considered less user-friendly than the Apple iPhone OS. "Free" apps include frequent advertising

The iOS

reputation of being intuitive and easy to use

Linux Operating System Advantages

free to download and use; less susceptible to viruses; modifiable by users.

Linux Operating System Disadvantages

steep learning curve, compatibility issues with some programs.

Network Operating Systems Advantages

enables resource sharing, makes networks run smoothly

Network Operating Systems Disadvantages

expensive to run and maintain, requires expertise to administer

Utility Programs

perform specific maintenance-type task on a computer and are included with both Windows and macOS

Applets

small application programs that are often utility programs performing less complex operational functions

Productivity Software

A specific type of application designed to allow users to work more efficiently. Ex: Microsoft Office and other business apps

Word Processing Programs

used to create an assortment of documents.

Spreadsheet Programs

used to format spreadsheets and display numbers and text in cells

Presentation Programs

help to create visual aids that can be projected on a screen or displayed on a digital display.

Database Programs

is an organized collection of data. Combines structuring data with tools to manage the data

Microsoft Paint 3D

allows you to create shapes and lines, and contains a variety of tools to edit images and create artwork.

Snipping Tool

used to capture a screenshot or snip of any object on your screen.

Software License

a legal document that governs how the software can be used and by whom.

End-User License Agreement (EULA)

a legal contract between the software manufacturer and the user of an application. Explains how the software can and cannot be used and any restrictions on use imposed by the application developer

Single-User License:

restricts the use of the software to one user at a time. Most likely if you purchase software for personal use.

Network License:

gives anyone on a network the right to use the software. Not installed on each device.

Site Licenses:

are different from network licenses because the software is installed on the device of qualified users who request the software inside an organization. Have time limits and must be renewed regularly.

How much RAM do you need

the more you multitask the more RAM is needed.

Optical Drive

a type of computer drive that writes and reads data using lasers and rotating an inserted