Transcript Chapter_1_4

Introduction to Information Technology: Your Digital World
• Output hardware
•
•
•
•
•
Video
Sound cards
Speakers
Monitor
Printer
• Communications hardware
• Modem
1
Using Information Technology, 10e
© 2013 The McGraw-Hill Companies, Inc. All rights reserved.
Introduction to Information Technology: Your Digital World
Panel 1.10
Page 35
2
Using Information Technology, 10e
© 2013 The McGraw-Hill Companies, Inc. All rights reserved.
Introduction to Information Technology: Your Digital World
• System Software—performs essential operating
tasks
• Most important part: operating system (OS)
• Some operating system options
•
•
•
•
Windows
Unix
Linux
Mac OS
• Application Software—enables user to perform
tasks
• Install after the OS
• Compatibility: application depends on OS, for
example,
• Linux applications won’t work on Windows
• Windows applications won’t work on Linux
Using Information Technology, 10e
3
© 2013 The McGraw-Hill Companies, Inc. All rights reserved.
Introduction to Information Technology: Your Digital World
4
Using Information Technology, 10e
© 2013 The McGraw-Hill Companies, Inc. All rights reserved.
Introduction to Information Technology: Your Digital World
• 3 directions of computer development
• Miniaturization
• Speed
• Affordability
• 3 directions of communications development
• Connectivity
• Interactivity
• Multimedia
5
Using Information Technology, 10e
© 2013 The McGraw-Hill Companies, Inc. All rights reserved.