CHAPTER
4 Programs and apps
Objectives overview
§ Identify
the general categories of programs and apps
§ Describe
how an operating system interacts with applications and hardware
§
Differentiate among the ways you can acquire programs
and apps
§
Identify key features of productivity applications
§
Identify the key features of graphics and multimedia
applications
§
Identify the uses of personal interest applications
§
Identify the purpose of software used in
communications
§
Identify the key features of security tools
§
Identify the key features of file and disk management
tools
Program, Software and
Application
PROGRAM
SOFTWARE
APPLICATION
A set of instructions telling a computer what to do.
The programs and other operating information used by a computer.
Software can be made up of more than one program. All-encompassing
term that is often used in contrast to hardware
A program or group of programs that is designed for the end user.
Application software cannot run on itself but is dependent on system
software to execute.
#Remember
All
applications are program, but a program is not necessary an application.
Operating System
An operating
system is a set of programs that coordinates all the activities among computer
or mobile device hardware.
For the
examples : Windows, Linux, Redhat, Mac OS
Productivity Applications
With
productivity applications, users often use for :
§
Word processing software
allows users to create and manipulate documents.
§
Clip art is a collection of
drawings, photos, and other images.
§
Presentation
software allows users
to create visual aids for presentations to communicate ideas, messages, and
other information to a group
§ Spreadsheet software
allows users to organize data in
rows and columns and perform calculations
§ A database is a collection of
data organized in a manner that allows access, retrieval, and use of that data
§ Database software allows users to create, access, and manage a database
Spreadsheet VS Database
Spreadsheet
|
Database
|
Tabulate data and create graphs
based on the data
|
Stored data so that can be
retrieved by users
|
Hold a less amount of data
|
Hold a large amount of data
|
Too much data is simply impractical
in a single spreadsheet as it becomes more difficult for a person to edit it.
|
Not edited directly by people
as there are other applications that are meant to enter new data or modify
the contents
|
Usually used for presentations
and paperworks
|
Commonly used in cases where a
lot of data needs to stored and tracked.
|
§ Note taking software
is an application that enables
users to enter typed text, handwritten comments, drawings, or sketches anywhere
on a page. (Microsoft OneNote, Google Keep)
§ Calendar and contact management software is an application that helps you organize your
calendar, keep track of contacts, and share this information with other devices
or users
§ A software suite is a collection of
individual programs available together as a unit. (Microsoft Office)
§ Project management software is an application that allows a user to plan,
schedule, track, and analyze the events, resources, and costs of a project
(Microsoft Project,JIRA, Trello)
§ Accounting software is an application that helps businesses of all
sizes record and report their financial transactions (Qucikbooks, GnuCash)
§ Personal finance software is a simplified accounting application that
helps home users and small/home office users balance their checkbooks, pay
bills, track personal income and expenses, verify account balances, transfer
funds, track investments, and evaluate financial plans (Quicken,Microsoft
money, Moneydance)
§ Legal software is an application that assists in the preparation of
legal documents and provides legal information to individuals, families, and
small businesses
§ Allows users to create contracts and legal
forms, plan an estate, and negotiate other types of life changes that require
legally binding documents. (MyAttorney, Home & Business, Perfect
Attorney)
§ Tax preparation software is an application that can guide individuals,
families, or small businesses through the process of filing federal taxes
A large organizations, commonly referred to as an enterprise, requires special computing solutions
because of its size and geographic distribution.
Graphics and Media Software
§
A
media player is a program that allows you to
view images and animations, listen to audio, and watch video files on your
computer or mobile device.
§
Disc burning
software writes text, graphics, audio, and video files on a
recordable or rewritable disc
Communication
Applications
1)
Blogging
2)
Browsing
3)
Chat Room
4)Discussion
Forum
5)
Email
6)
Instant Messaging
7)
Video Conference
8)
VoIP
9)
Web Feeds
Security Tools
ü
A
personal firewall is a security tool that
detects and protects a personal computer and its data from unauthorized
intrusions.
ü
An
antivirus program protects
a computer against viruses by identifying and removing any computer viruses
found in memory, on storage media, or on incoming files.
ü
Spyware is a program
placed on a computer or mobile device without the user’s knowledge that
secretly collects information about the user and then communicates the
information it collects to some outside source while the user is online.
ü
Adware is a program
that displays an online advertisement in a banner or pop-up window on webpages,
email messages, or other Internet services.
File and Disk
Management Tools
A file
manager is a tool that performs functions related to file management.
A search tool is
a program, usually included with an operating system, that attempts to locate a
file on your computer or mobile device based on criteria you specify.
An image viewer is a tool that allows users to
display, copy, and print the contents of a graphics file, such as a photo.
An uninstaller is a tool that removes a program,
as well as any associated entries in the system files.
A disk cleanup tool searches for and removes
unnecessary files.
A disk defragmenter
is a tool that 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.
A screen saver is a tool that causes a display
device’s screen to show a moving image or blank screen if no keyboard or mouse
activity occurs for a specified time.
A file compression tool shrinks the size of a
file(s).
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