Dct chapter 1

Digital Communication Tools in Our Lives
1
Chapter Contents pg. 3-34

Lesson 1.1 New Ways to Enter Text with
Digital Tools (pg. 5)
Lesson 1.2 Operating Systems, Hardware,
and Software (pg. 10)
Lesson 1.3 Storage and File Management (pg. 15)
Lesson 1.4 Input and Output Devices (pg. 20)
Lesson 1.5 External Storage Devices (pg. 23)
Lesson 1.6 Digital Skills in the 21st Century
Workplace (pg. 28)
Chapter Assessment

Copyright © by The McGraw-Hill Companies, Inc. All rights reserved. Glencoe Digital Communication Tools

1
You Will Learn To pg. 3-34

 Identify alternate ways to enter text into a computer
other than with a keyboard
 Describe digital technologies
 Identify computer system components
 Demonstrate file management techniques
 Explain the importance of having technology skills
 Describe uses for an e-portfolio
 Plan your own e-portfolio

Glencoe Digital Communication Tools

1
1.1 New Ways to Enter Text with Digital Tools pg. 5-9

Technology Skills Are Important
Good technology skills will help you:
 Work
Files from PDAs can be  Play
shared with Tablet PCs
or desktop computers.  Communicate


1

New Input Tools
software Three new technologies for entering text and commands
A set of instructions, into a computer are:
also called a program
or application, that tells
 Handwriting on handheld computers (PDAs)—
a computer how to using a stylus
perform tasks.
 Speech recognition—using a microphone and
special software
 Handwriting on Tablet PCs—using a digital pen


1

 List three new input technologies for entering data
into computers.
 Do you think it is still important to know how to use a
keyboard? Why or why not?

digicom.glencoe.com
Lesson 1.1, Rubric

1
1.2 Operating Systems, Hardware, and Software pg. 10-14

Software
Computer software can help these tasks:
 Browsing the Internet
Software should be  Writing a report
installed through the
Control Panel.
 Designing a newsletter
 Preparing a budget
Once hardware is
installed, it can be used
with any software
program.


1

Operating System
operating system The most important software on a computer is the
Software that controls operating system, or OS.
all of the other software
programs and allows
the computer to Examples of operating systems for handheld
perform basic tasks. computers are:
 Windows CE
 Palm OS


1

Hardware
hardware Hardware includes all the physical parts of a computer,
All of the physical parts such as:
of a computer.
 Screen, mouse, and keyboard (outside the computer)
digital  Motherboard, central processing unit, and memory chips
Information that is
represented as
individual pieces of (inside the computer)
data using the numbers
1 and 0, rather than as
a continuous stream. Digital Information
All information stored on computers is in digital format.


1

Storing Information
hard drive A computer’s main storage device is the hard drive, which
The built-in storage stores the following:
device inside a
computer.
 Operating system
 Applications
 Files that are used often


1

 What software programs are you familiar with?
 List the types of tasks you do with these programs.
 Which of these programs do you consider the most
essential to you?

digicom.glencoe.com
Lesson 1.2, Rubric

1
1.3 Storage and File Management pg. 15-19

Managing Data
Computer folders:
 Organize files, as cardboard folders organize
papers in a file cabinet
 Can be created on a hard drive, floppy disk, or other
storage device
 Are named


1

File Extensions
A file extension:
 Identifies the kind of file for the user
When a software  Instructs the computer to launch the appropriate
program is installed, it program when you open the file
creates its own folder
on the hard drive. This
is called a program Examples of file extensions are:
folder.  .doc (word processing)
 .jpg, .bmp, .gif (graphics)
 .html (Web page)


1

 Why is it important to create folders for storing files?
 Give two examples of file extensions.

digicom.glencoe.com
Lesson 1.3, Rubric

1
21st CENTURY CONNECTION pg. 19

Proofread for Successful Communication

Do you want to make a great impression with your writing?
Proofreading, or reviewing, your writing will catch errors.

Quick tips for proofreading your writing:
 Use the computer’s spelling and grammar checker
 Print your first draft and proofread on paper
 Use the proofreading checklists, page 19:
Basic tips
Check your facts, grammar, spelling,
and punctuation


1

Question

What kinds of errors do you think a word processing
application’s spell checker might miss?

Possible answers include:
 Use of the wrong word, such as effect (a result or
influence) for affect (to influence or change)
 Phonetic misspellings, such as cot for caught
 Accidentally added letters that make a real but
incorrect word, such as when in becomes inn
 Switched or substituted letters that produce correctly
spelled words, such as tow for two and typo for type


1
1.4 Input and Output Devices pg. 20-22

Digital Devices
Popular digital devices include:
 Cameras
Digital input devices  Phones
such as cameras,  MP3 players
touch screens, and
trackballs can be used  Scanners
with a variety of
software programs. These devices are compatible with computers, because
they send, receive, or store digital information.


1

Input and Output Devices
input The flow of information between you and your computer
Information that is occurs through:
entered into a
computer.
 Input devices, such as a keyboard
 Output devices, such as a printer
output
Information that a
computer produces or
processes.


1

Specialized Devices
Some input and output devices are designed for specific
purposes.

Examples are:
 Joystick (input)
 LCD projector (output)


1

 Which kind of information would you enter into
a computer?
 Which kind of information would the computer
give you?

digicom.glencoe.com
Lesson 1.4, Rubric

1
1.5 External Storage Devices pg. 23-27

External Storage Devices
external You might store files on an external storage device in
storage device order to:
A storage device that
can be easily removed
 Take the files with you
from a computer and is  Back up the files
often small and
portable.
An example of an external storage device is a USB
flash drive.

USB flash drives can
save any type of file
from any program.
They save files more
quickly than a CD-RW
drive.

1

Storage Capacity
Storage capacity is the amount of data a storage device
can hold. It is usually measured in megabytes (MB) and
gigabytes (GB):


1

Optical Storage Devices
read-only memory Your computer’s hard drive stores information
(ROM) magnetically.
Memory that holds data
that can be read by a
digital device but Other devices store information optically:
cannot be changed  CD-ROM (compact disc with read-only memory)
or deleted.
 CD-R (recordable compact disc)
 CD-RW (rewritable compact disc)
 DVD (digital video disc)


1

 Why are external storage devices useful?
 Name two external storage devices.

digicom.glencoe.com
Lesson1.5, Rubric

1
1.6 Digital Skills in the 21st Century Workplace pg. 28-31

High-Tech Job Hunting
You can use computers and the Internet to:
 Search for a job
 Apply online
 E-mail your résumé
 Create an electronic portfolio


1

E-Portfolios
e-portfolio As you work through this course, you will build an
A collection of the best electronic portfolio, or e-portfolio. Be sure to:
documents and
projects you have
 Include a table of contents
created and saved in  Proofread and edit your work
an electronic format
 Be creative and professional

To showcase your best work to a prospective employer:
 E-mail your e-portfolio
 Publish your e-portfolio on your own Web site
 Save your e-portfolio on a CD


1

What would you put in your e-portfolio to showcase
With software such as
your talents?
Microsoft PowerPoint,
you can deliver your e- Some ideas are:
portfolio as a  Illustrations
multimedia
presentation in front of  Writing samples
an audience.
 Computer projects

digicom.glencoe.com
Lesson 1.6, Rubric

1

Career Clusters

The U.S. Department of Education has defined 16 career
clusters, which are groups of related occupations and
industries:


1

Question

Match each career cluster on the left with its sample
occupation on the right.
1 Education and Training A Banker

2 Finance B Judge

3 Hospitality and Tourism C Librarian

4 Law and Public Safety D Travel agent

The correct answers are:
1 Education and Training / C Librarian
2 Finance / A Banker
3 Hospitality and Tourism / D Travel agent
4 Law and Public Safety / B Judge


1
Chapter Assessment

Question 1

What is computer hardware? (Lesson 1.2)

Answers may include:
 Hardware includes all of the physical parts of
a computer.
 Some of these parts are visible from the outside
of the computer, such as the screen, mouse,
and keyboard.
 Other hardware components are located inside
the computer, including the motherboard, CPU,
video card, and memory chips.


1
Chapter Assessment

Question 2

How would you use technology skills to hunt for a job?
(Lesson 1.6)

 You can use the Internet to search for jobs that
interest you and match your skills, to:
Apply for jobs online
E-mail your résumé to potential employers
 You can also create an e-portfolio to show
potential employers your best documents and
projects.


1
Chapter Assessment

Question 3
Brainstorm about the fastest-growing occupations that use
new technology skills. How do these generate new job
openings?
Advances in technology in the fields of medicine,
meteorology, business management, or information
technology.

To learn which fields using new technologies are
currently growing the fastest, search the Internet using
keywords fastest-growing occupations or fastest-growing
job trends.

Think about how new technologies might create a
demand for skilled workers in new positions.

Impact of Digital Communication Tools
1
Unit Resources

For more resources on this unit, go to the Online Learning
Center at http://www.digicom.glencoe.com.


Dct chapter 1

Empfohlen

Empfohlen

Weitere ähnliche Inhalte

Was ist angesagt?

Was ist angesagt? (19)

Andere mochten auch

Andere mochten auch (6)

Ähnlich wie Dct chapter 1

Ähnlich wie Dct chapter 1 (20)

Kürzlich hochgeladen

Kürzlich hochgeladen (20)

Dct chapter 1