1. Computer Concepts Module 1
Computer and Internet Basics

2. Learning Objectives (Slide 1 of 2)
Define a personal computer and describe computer use in daily life
Explain the four basic functions of a computer system
Identify the main computer categories
Describe digital devices that can be part of a personal computer
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

3. Learning Objectives (Slide 2 of 2)
Define software and give examples of operating systems
Define the Internet and explain how to navigate Web pages
Explain ways to use the Internet and digital devices to communicate with others
Explain how to protect your digital data and devices
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

4. Computers in Your World (Slide 1 of 5)
Computers are a part of daily life
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

5. Computers in Your World (Slide 2 of 5)
Digital revolution
Ongoing process of social, political, and economic change
Digital technology
Digital devices such as computers, portable media players, mobile phones, cameras, GPS, tablets, e-book readers and more
Cars and household appliances
Internet of Things
Everyday objects can send and receive data over the Internet
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

6. Computers in Your World (Slide 3 of 5)
Computer is an electronic device that:
Accepts input
Processes data
Stores data
Produces output as information
Computer system
Hardware (electronic and mechanical parts of computer)
Software (computer program that tells computer how to perform tasks)
Peripheral devices (hardware that can be added to a system)
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

7. Computers in Your World (Slide 4 of 5)
Input devices:
Keyboard
Mouse
Touch scree, etc.
Output devices:
Monitor
Printer
Speakers, etc.
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

8. Computers in Your World (Slide 5 of 5 )
Digitization
Process of converting text, numbers, sound, photos, and video into data that can be processed by digital devices
Digital convergence
Blending several technologies into a single product
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

9. How Computers Work (Slide 1 of 4)
Turn on
May need to enter user ID and password
Security reasons
Computer program (program)
Instructions telling a computer how to carry out processing tasks
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

10. How Computers Work (Slide 2 of 4)
Processor/microprocessor:
Processes data
Central processing unit (CPU) – Main processor
Memory:
Temporarily holds data waiting to be processed
Storage:
Holds data on a permanent basis
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

11. How Computers Work (Slide 3 of 4)
File:
Named and stored collection of data
Filename:
Meaningful label given to file
Storage medium:
Hard disk
CD or DVD
Flash drive, etc.
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

12. How Computers Work (Slide 4 of 4)
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

13. Types of Computers (Slide 1 of 4)
Types of personal computers:
Desktop computers
Portable computers
Notebook computers (sometimes called laptop computers)
Netbooks
Tablet computers
Handheld computers include:
Smartphones
E-readers
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

14. Types of Computers (Slide 2 of 4)
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

15. Types of Computers (Slide 3 of 4)
Workstations:
Powerful desktop computers designed for specialized tasks
Mainframe computers:
Large, expensive computers that can process data for thousands of users
Supercomputers:
Fastest computers that can handle tasks too complex for other computers
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

16. Types of Computers (Slide 4 of 4)
Servers:
Special networked computers that share/serve data to other computers
Video game consoles:
Currently not considered replacements to personal computers
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

17. Personal Computers (Slide 1 of 3)
Basic parts of a desktop personal computer system
System unit
Display device – monitor
Keyboard
Mouse
Storage devices:
Hard disk drive
USB flash drive
Optical drives
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

18. Personal Computers (Slide 2 of 3)
Basic parts of a desktop personal computer system (continued):
Sound system
Printer
Web cam
Digital media players
Digital cameras
Network and Internet access device
Modem
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

19. Personal Computers (Slide 3 of 3)
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

20. Computer Software (Slide 1 of 3)
Operating system (OS):
Master controller for all activities within a computer system
Classified as system software
Computer platform:
Determines hardware and software of system
PC platform – Windows operating system
Mac platform – Macintosh OS
Linux OS
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

21. Computer Software (Slide 2 of 3)
Graphical user interface (GUI) – Displays on-screen graphical controls
Application software – Programs that help perform tasks
Apps/mobile apps – Programs that run on mobile devices
Sharing files – Depends on system compatibility
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

22. Computer Software (Slide 3 of 3)
Elements of a GUI
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

23. The Internet and the Web (Slide 1 of 5)
The Internet – world’s largest computer network
Accessed via routers through an Internet Service provider (ISP) using either wires/cables or wireless access
Web (short for World Wide Web)
Collection of webpages, interconnected through the use of hypertext or links
Web browser – software to view webpages
URL (Uniform Resource Locator)
Unique address for webpage
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

24. The Internet and the Web (Slide 2 of 5)
Uses of the Internet:
Communicate with others:
Electronic mail (also called )
Chat group
Instant messaging (IM)
Internet telephony – Voice Over IP (VoIP)
Blog
E-commerce
Research
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

25. The Internet and the Web (Slide 3 of 5)
URL (Uniform Resource Locator)
Unique address for webpage
HTTP (Hypertext Transfer Protocol)
Communication standard to transmit webpages
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

26. The Internet and the Web (Slide 4 of 5)
Navigating a webpage
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

27. The Internet and the Web (Slide 5 of 5)
Website – Group of webpages
Home page – Main page of website
Search site – Provides search capabilities
Keyword – Describes search criteria
Search engine – Uses keywords to locate websites
Web application (web app) – Software accessed through a browser
Cloud Computing – Data and software stored on the web
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

28. How to Communicate Using Digital Devices (Slide 1 of 2)
(Electronic mail)
account:
Need an provider, such as an Internet service provider, university, Gmail, Hotmail, etc.
address – Unique identifier
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

29. How to Communicate Using Digital Devices (Slide 2 of 2)
message parts
Recipient’s address (may have additional recipients)
Message subject and body
Optional – File attachments
Internet Forum – website where users can post/discuss by topic/thread
Wiki – Collaborative website allowing posted material to be edited by users
Text messages - Typed messages sent using smartphones or other mobile devices
Social networking – Online activity allowing registered members to communicate with others in the network
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

30. How to Protect Your Privacy, Data, and Devices (Slide 1 of 2)
Computer vulnerabilities
Physical Damage
Theft and unauthorized access
Malware and viruses
Loss of hardware and/or data
Computer safeguards
Updated operating systems
Installed anti-virus and anti-malware software
Strong passwords
Important data backed up
Physically anchored/locked computers
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.

31. How to Protect Your Privacy, Data, and Devices (Slide 2 of 2)
Ways to protect your privacy
© 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use.