Transcript Discovering Computers 2008

Discovering Computers 2008
Chapter 3
Application
Software
Chapter 3 Objectives
Identify the categories
of application software
Identify the key features of widely used
home, personal, and educational programs
Explain ways software is distributed
Identify the types of application software
used in communications
Explain how to work
with application software
Describe the function of several
utility programs
Identify the key features of widely
used business programs
Discuss the advantages of using
Web-based software
Identify the key features of widely used
graphics and multimedia programs
Describe the learning aids available
for application software
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Application Software
What is application software?

Programs designed to make users more productive
and/or assist them with personal tasks
Purpose:
1. Make business activities more efficient
2. Assist with graphics and multimedia projects
3. Support home personal and educational tasks
4. Facilitate communications
p. 134 Fig. 3-1
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Application Software
Application Software
How is software distributed?
 Packaged software, mass-produced, for many users,
not one user or one company. Word processing and
spreadsheet
 Custom software, performs functions specific to a
business or industry, GoSolar system of GSU
 Web-based software, hosted by a Web site, email,
online game programs
 Open source software, provided for use, modification,
and redistribution, UNIX, Linux: OS operating
system software
p. 134 - 135
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Application Software
 Shareware, copyrighted software that is distributed
free for trial period
 Freeware, copyrighted software provided at no cost,
programmers cannot incorporate freeware to
applications to sell. MSN messenger
 Public-domain software, freeware with no copyright
restrictions, some personal software,example
Application Software
What is system software?


Serves as the interface
between the user, the
application software,
and the computer’s
hardware
To use application
software, you must have
system software as the
platform
p. 135 Fig. 3-2
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Application Software
Desktop: on-screen work area that has GUI
Button:graphical element that you activate to cause a
specific action to take place
Pointer: a small symbol on the screen that moves as
you moves the mouse
Click: moving the pointer, then press and release a
button on the mouse(often left)
Command: an instruction that causes a program to
perform a specific action
Menu: a list of commands from which you make
selections
Application Software
How do you start an application?


From the desktop,
click the Start
button, point to
All Programs, and
click the name of
the application
The program’s
instructions load
into memory
p. 136 - 137 Fig. 3-3
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Application Software
What is a window?
A rectangular area of the screen that displays data and
information
Title bar: top of a window, a horizontal space that contain
the window’s name, always include minimize,
maximize, and close buttons on the right-hand corner
File: a named collection of stored data, instructions, or
information.
Filename: a unique combination of letters of the alphabet,
numbers, and other characters to identify a file
*title bar usually display
* In Windows, a fine name have up to 255 characters
including spaces, cannot contain 9 characters:\ /:*?”|<
p. 136 - 137 Fig. 3-3
>
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Application Software
Application Software
What is a dialog box?

A window that provides information, presents
available options, or requests a response
WYSIWYG: what you see is what you get
p. 136 - 137 Fig. 3-3
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Business Software
What is business software?

Application software that assists people in becoming
more effective and efficient
p. 138 Fig. 3-4
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Business Software
A survey several yeas ago:
Word processing and spreadsheet(100%)
Communications, electronic mail, database, and
presentation graphics(95%)
Desktop publishing(85%)
Project management(70%)
Personal information management(50%)
Business Software
What is word processing software?
 Allows users to create and
manipulate text and graphics


Clip art is a collection
of graphics
that you can
insert in
documents
(insert->picture->clip art)
Click to view Web Link,
click Chapter 3, Click Web Link
from left navigation,
then click Word Processing
Software below Chapter 3
p. 138 – 139 Fig. 3-5
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Business Software
Margins:the portion of the page outside the main body
of text, including the top, the bottom, and both
sides of the paper(File->Page Setup)
Business Software
Wordwrap: type text that extends beyond the right
page margin, the software automatically positons
text at the beginning of the next line without
ENTER key
Scrolling: the process of moving
different portions of the document
on the screen into view
Business Software
Search: allow you to locate all occurrences of a certain
character, word or phrase.
Place: allow you to substitute existing characters or
words with new one(use together with search)
Business Software
Spelling checker: reviews the spelling of individual
words, sections of a document, or the entire
document.
Business Software
Header and footer: the text that appears at the top of
each page; the text that appears at the bottom of
each page (page number, company names, report
titles, and dates)
Business Software
What are popular word processing features?
AutoCorrect
Columns
AutoFormat
Grammar
Checker
Tracking
Changes
p. 140 Fig. 3-6
Ink Input
Reading
Layout
Mail Merge
Smart Tags
Collaboration
Tables
Macros
Research
Templates
Voice
Recognition
Thesaurus
Web Page
Development
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Business Software
With Word, users create, edit, format, save, and print
documents.
Create:when you create a document that doesn’t exist and then
you can input elements
Edit: make changes to existing documents:insert, delete, cut,
copy(Ctrl+C), and paste(Ctrl+V)
Clipboard: a temporary storage location
cut and copy: document->clipboard
paste: clipboard->document
Format: change document’s appearance
Save: keep it for future to storage
Print: places the contents to the paper or some other medium
Business Software
What is a font?
 A name assigned to a specific design of characters
two basic types: serif, with short decorative lines at the upper and lower
ends(Times New Roman);san serif(Arial)
 Font size indicates the size of the characters in a
particular font in points (a single point is about
1/72 of an inch in height)
 Font style adds
emphasis to a
font such as
bold, italic,
and underline
p. 141 Fig. 3-7
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Business Software
What is spreadsheet software?
 Organizes data in rows and columns
 Performs calculations and
recalculates when data changes
= A1+B2 (*C12)
= D1+E2 (*F12)
= SUM (C12:Y12)
p. 142 - 144
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Business Software
Worksheet: rows and columns collectively are called a
worksheet
Basic feature: create, edit, and format worksheets
Other features: macros, check spelling, change fonts
and fonts sizes, add colors, track changes, insert
audio and video clips, provide research capabilities,
recognize handwritten text and drawings, and
create web pages from existing spreadsheet
documents
Business Software
How is a spreadsheet organized?
Columns identified by letters
 Rows identified by numbers
 A cell is the intersection of a column and row
(labels, values, and formulas)

p. 142 - 143 Fig. 3-8
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Business Software
What is a function?
 A predefined formula
that performs
common calculations
=B10+B11+B12+B13+B14
=SUM(B10:B14)
Recalculation: when
entering a new value to
change data in a cell, any
value affected by the change
is updated automatically
p. 143 Fig. 3-9
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Business Software
What is charting?

Allows you to display spreadsheet data in graphical form
Click to view Web Link,
click Chapter 3, Click Web Link
from left navigation,
then click Spreadsheet Software
below Chapter 3
p. 144 Fig. 3-10
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