Shelly Cashman Series Discovering Computers 2002

1
Chapter 3 and 5 Review
2
Application Software

• What is application software?

• Programs that perform specific tasks for users
• Also called a software application or an
  application
• Several reasons to use application software

p. 3.2
3
Application Software

• What are the categories of application software?

p. 3.2 Fig. 3-1
4
Application Software

• What is an operating system?

• A type of system software
• Contains instructions that coordinate all the
  activities among computer hardware devices

p. 3.2
5
Application Software

• What is a menu?

• A menu contains commands you can select

• A command is an instruction that causes a
  computer program to perform a specific action
• A submenu is a menu that displays when you point
  to a command on a previous menu

p. 3.5 Fig. 3-5
6
Application Software

• What is a dialog box?

• A special window a program displays to provide
  information, present available options, or
  request a response

p. 3.6 Fig. 3-7
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Productivity Software

• What is word processing software?

• Allows users to create and manipulate documents
  that contain text and graphics
• One of the most widely used types of application
  software

p. 3.8 Fig. 3-9
8
Productivity Software

• What is spreadsheet software?

• Developed by Dan Bricklin
• First known as VisiCalc
• Allows you to organize data in rows and columns
• Performs calculations on this data
• Rows and columns collectively called a worksheet

Click to view Web Link then click Spreadsheet
Software
p. 3.12 Fig. 3-13
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Productivity Software

• What is presentation graphics software?

• Allows you to create documents called
  presentations

• Sometimes called a slide show
• Can be displayed on a large monitor or on a
  projection screen

p. 3.18 Fig. 3-20
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Productivity Software

• What is a software suite?

• A collection of individual applications sold as a
  single package
• You install the entire collection of applications
  at once
• Two major advantages
• analyze the events, resources, and costs of a
  project

p. 3.20
11
What Is Input?

• Any data or instructions you enter into the
  memory of the computer
• Users can input data and instructions in a
  variety of ways

• Data
• A collection of raw unprocessed facts, figures,
  and symbols
• Instructions
• Programs
• Commands
• User responses

p. 5.2 Fig. 5-1
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What Is Input?
DATA Bradley Kinkade 42 hours 12.50 per hour
hard disk
INSTRUCTIONS
p. 5.3 Fig. 5-2
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What are Input Devices?

• What is an input device?

• Any hardware component that allows you to enter
  data, programs, commands, and user responses into
  a computer

p. 5.4
14
The Keyboard

• What are some special types of keys?

• SHIFT, CTRL, ALT and others
• Used in combination with other keys to issue
  commands

• Toggle key
• Switches between two different states such as the
  NUM LOCK or CAPS LOCK keys
• Keys to position the insertion point
• Insertion point is a symbol that indicates where
  on the screen the next character you type will
  display

p. 5.4 Fig. 5-5
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The Keyboard

• What are alternative forms for commands?

• Many programs allow you to use a button, a menu,
  or a function key to obtain the same result

Function Key(s)
Command
Button
Menu
CTRL O
p. 5.4 Fig. 5-4
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Technology Trailblazer

• Douglas Engelbart

• Scientist at the Stanford Research Institute in
  the 1960s
• Part of a team that designed the first mouse with
  funding from NASA and the U.S. Department of
  Defense
• Filed a patent for his design in 1965, but his
  thinking was too ahead of his time to reach
  fruition

Click to view Web Linkthen click Douglas
Engelbart
p. 5.8
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Mouse

• What is a mouse?

• A pointing device that fits comfortably under the
  palm of your hand
• The most widely used pointing device on desktop
  computers
• The mouse controls the movement of the pointer,
  also called the mouse pointer, on the screen

Click to view video
Click to view Web Link then click Mouse
p. 5.7
18
Input Devices for Physically Challenged Users

• Why are computers important for those with
  physical limitations?

• Americans with Disabilities Act (ADA) requires
  any company with 15 or more employees make
  reasonable attempts to accommodate the needs of
  physically challenged workers
• Many input devices address the needs of users
  with physical limitations

p. 5.31
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Input Devices for Physically Challenged Users

• What are new developments in computing that will
  benefit physically challenged users?

• Developments now in the prototype stage attempt
  to provide users with a natural computer interface

p. 5.32