[2024]Digital Global Overview Report 2024 Meltwater.pdf
Chapter 3 - Software.pptx
1. KU
Aspire College
ITEX 100 – Information Technology
Software
Chapter 3
• Application Software.
• System Software.
• Operating System
• Utility Software
2. KU
Aspire College
Agenda
• Lecture Coverage
– Application Software.
– System Software.
– Operating System
– Device Drivers
– Utility Software
3. KU
Aspire College
Objectives Overview
1. Identify the four categories of application
software
2. Differentiate among the seven forms through
which software is available: packaged
software, custom software, Web application,
open source software, shareware, freeware,
and public-domain software
3. Explain how the operating system,utility
programs and device drivers work with
application software
4. KU
Aspire College
Objectives Overview
4. Describe characteristics of a user interface
5. Identify the key features of widely used
business programs.
6. Identify the key features of widely used
graphics and multimedia programs.
5. KU
Aspire College
Application Software
• Application software consists of programs
designed to make users more productive and/or
assist with personal tasks
To make business activities more efficient
To assist with graphics and multimedia projects
To support home, personal, and educational tasks
To facilitate communications
8. KU
Aspire College
Application Software
• Available in a variety of forms:
Packaged
software
Custom
software
Web
application
Open source
software
Shareware Freeware
Public-domain
software
9. KU
Aspire College
Application Software
• Packaged software is mass-produced, copyrighted
retail software that meets the needs of a wide variety
of users, not just a single user or company.
• Custom software performs functions specific to a
business or industry, developed by a user or at a
user's request.
• Web application is a Web site that allows users to
access and interact with software from any computer
or device that is connected to the Internet.
10. KU
Aspire College
Application Software
• Open source software is software provided for use,
modification, and redistribution with no restrictions
from copyright holder.
• Shareware is copyrighted software that is distributed
at no cost for a trial period.
• Freeware is copyrighted software provided at no cost
to a user by an individual or a company that retains
all rights to the software.
• Public-domain software is free software that has
been donated for public use and has no copyright
restrictions
11. KU
Aspire College
System Software
• System software serves as the interface between
the user, the application software, and the
computer’s hardware
– Operating systems
• Windows
• Mac OS
• Linux
– Utility programs
12. KU
Aspire College
System Software
• To use application software, you must instruct the operating system to
start the program.
– Desktop is an on-screen work area that has a graphical user interface.
– Icon is a small image displayed on a computer screen that represents a
program, a document, or some other object.
– Button is a graphical element that is activated to cause a specific action to
occur.
– Pointer is a small symbol displayed on a computer screen whose location
and shape changes as a user interacts with a mouse or other pointing
device.
– Menu is an item on the computer screen that contains a list of commands
from which a user can make selections.
– Command is an instruction on a menu that causes a program to perform a
specific action.
– Window is a rectangular area of a computer screen that displays data or
information.
– Title bar is a horizontal space, located at the top of a window, that contains
the window's name.
14. KU
Aspire College
Business Software
• Business software is application software that
assists people while performing business activities
Word
Processing
Spreadsheet Database Presentation
Note taking
Personal
information
manager
Business
software for
phones
Business
software
suites
Project
management
Accounting
Document
management
Enterprise
computing
software
16. KU
Aspire College
Business Software
• Word processing
software allows users
to create and
manipulate documents
• Clip art is a collection of
electronic drawings,
photos, and other
images
17. KU
Aspire College
Business Software
• Additional word processing features include
AutoCorrect AutoFormat Collaboration Columns
Grammar
Checker
Ink Input Macros Mail Merge
Reading
Layout
Research
Search and
Replace
Smart Tags Tables Templates Thesaurus
Tracking
Changes
Voice
Recognition
Web Page
Development
18. KU
Aspire College
Business Software
• Developing a document
• Enter text and
numbers
• Insert images
• Perform other tasks
Create a
document
• Make changes to
existing content
• Inserting, deleting,
cutting, copying, and
pasting
Edit a
document • Change appearance
• Font
• Font size
• Font style
Format a
document
19. KU
Aspire College
Business Software
• Spreadsheet software allows users to organize data in
rows and columns and perform calculations
– Worksheet
– Cell
• Label
• Value
• Formula
20. KU
Aspire College
Business Software
• A function is a predefined formula that performs
common calculations
FV NPV PMT PV RATE DATE
NOW TIME ABS INT LN LOG
ROUND SQRT SUM AVERAGE COUNT MAX
MIN STDEV IF
22. KU
Aspire College
Business Software
• 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
23. KU
Aspire College
Business Software
• Presentation software
allows users to create
visual aids for
presentations to
communicate ideas,
messages, and other
information to a group
25. KU
Aspire College
Business Software
• Note taking software is application software that
enables users to enter typed text, handwritten
comments, drawings, or sketches anywhere on a
page
26. KU
Aspire College
Business Software
• A software suite is a collection of individual
programs available together as a unit
• A personal information manager (PIM) is
application software that includes
Appointment
calendar
Address
book
Notepad
28. KU
Aspire College
Business Software
Project management software allows a user to plan,
schedule, track, and analyze the events, resources, and
costs of a project
Accounting software helps companies record and report
their financial transactions
Document management software provides a means for
sharing, distributing, and searching through documents by
converting them into a format that can be viewed by any
user
29. KU
Aspire College
Business Software
• Enterprises typically require special computing
solutions for various functional units
Human
resources
Accounting Engineering Marketing
Sales Distribution
Customer
service
Information
technology
31. KU
Aspire College
Graphics and Multimedia Software
Computer-aided design (CAD) software
Sophisticated type of application software that
assists a professional user in creating engineering,
architectural, and scientific designs.
Desktop publishing software
Application software used by professional designers
to create sophisticated documents that can contain
text, graphics, and many colors.
Paint/Image editing software
Application software that provides the capabilities
of paint software and also includes the capability to
enhance and modify existing images and pictures.
32. KU
Aspire College
Graphics and Multimedia Software
Professional photo editing software
Type of image editing software that allows
photographers, videographers, engineers,
scientists, and other high-volume digital photo
users to edit and customize digital
Video and audio editing software
Application software that allows a user to modify a
segment of video or audio, called a clip.
Multimedia authoring software
Software that allows users to combine text,
graphics, audio, video, and animation in an
interactive application and that often is used for
computer-based training and Web-based
presentations.
33. KU
Aspire College
Graphics and Multimedia Software
• Web page authoring software helps users of all
skill levels create Web pages that include
multimedia and interactive content
34. KU
Aspire College
System Software
• System software consists of the programs that
control or maintain the operations of the
computer and its devices
Operating
systems
Utility
Programs
36. KU
Aspire College
Operating Systems
• An operating system (OS) is a set of programs containing
instructions that work together to coordinate all the
activities among computer hardware resources
Start and shut
down a
computer
Provide a user
interface
Manage
programs
Manage
memory
Coordinate
tasks
Configure
devices
Establish an
Internet
connection
Monitor
performance
Provide
utilities
Automatically
update
Control a
network
Administer
security
37. KU
Aspire College
Operating System Functions
• The process of starting or restarting a computer is
called booting
Cold boot
• Turning on
a computer
that has
been
powered off
completely
Warm boot
• Using the
operating
system to
restart a
computer
38. KU
Aspire College
Operating System Functions
• An operating system includes various shut down
options
Sleep mode saves any open
documents and programs to
RAM, turns off all unneeded
functions, and then places
the computer in a low-
power state
Hibernate saves any open
documents and programs to
a hard disk before removing
power from the computer
39. KU
Aspire College
Operating System Functions
• 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
41. KU
Aspire College
Operating System Functions
• How an operating system handles programs
directly affects your productivity
Single user and
multiuser
Single tasking
and
multitasking
Foreground and
background
Preemptive
multitasking
Multiprocessing
42. KU
Aspire College
Operating System Functions
• Memory management optimizes the use of RAM
• Virtual memory is a portion of a storage medium
functioning as additional RAM
47. KU
Aspire College
Operating System Functions
• A performance monitor is a program that
assesses and reports information about various
computer resources and devices
48. KU
Aspire College
Operating System Functions
• Operating systems often provide users with the
capability of:
Managing files
Searching for
files
Viewing
images
Securing a
computer
Uninstalling
programs
Cleaning up
disks
Defragmenting
disks
Diagnosing
problems
Backing up
files and disks
Setting up
screen savers
50. KU
Aspire College
Operating System Functions
• Some operating
systems are designed to
work with a server on a
network
• A server operating
system organizes and
coordinates how
multiple users access
and share resources on
a network
• A network
administrator uses the
server operating system
to:
– Add and remove users,
computers, and other
devices
– Install software and
administer network
security
51. KU
Aspire College
Operating System Functions
• Each user has a user
account
– A user name, or user ID,
identifies a specific user
– A password is a private
combination of
characters associated
with the user name
53. KU
Aspire College
Utility Programs
• A file manager is a
utility that performs
functions related to file
management
– Displaying a list of files
– Organizing files in
folders
– Copying, renaming,
deleting, moving, and
sorting files and folders
– Creating shortcuts
54. KU
Aspire College
Utility Programs
• A search utility is a program that attempts to
locate a file on your computer based on criteria
you specify
55. KU
Aspire College
Utility Programs
• An image viewer allows
users to display, copy,
and print the contents
of a graphics file
• An uninstaller removes
a program, as well as
any associated entries
in the system files
56. KU
Aspire College
Utility Programs
• A disk cleanup utility searches for and removes
unnecessary files
– Downloaded program
files
– Temporary Internet
files
– Deleted files
– Unused program
files
57. KU
Aspire College
Utility Programs
• A disk defragmenter 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
– Defragmenting
58. KU
Aspire College
Utility Programs
• A backup utility allows
users to copy files to
another storage
medium
• A restore utility
reverses the process
and returns backed up
files to their original
form
59. KU
Aspire College
Utility Programs
• A screen saver causes a
display device’s screen
to show a moving image
or blank screen if no
activity occurs for a
specified time
• A personal firewall
detects and protects a
personal computer
from unauthorized
intrusions
60. KU
Aspire College
Utility Programs
• A file compression utility shrinks the size of a file(s)
– Compressing files frees up room on the storage media
– Two types of compression
• Lossy
• Lossless
• Compressed files sometimes are called zipped files
– Can be uncompressed
61. KU
Aspire College
Utility Programs
• A media player allows you to view images and
animation, listen to audio, and watch video files
on your computer
62. KU
Aspire College
Utility Programs
• Disc burning software
writes text, graphics,
audio, and video files
on a recordable or
rewritable optical disc
