tech ed vocab chapter 7

VHF (very high frequency)

• channels with signals that have frequency between 54 and 216 megahertz

• channels with signals that have a frequency between 470 and 806 megahertz

• a type of radio transmission in which the frequency of the carrier wave changes

• a type of radio transmission in which the strength of the carrier wave changes

Tags

NGSS.MS-PS4-2

Multimedia

• a type of radio transmission in which the strength of the carrier wave changes

• provides more than one way to get information on a CD-ROM

• a combination of several kinds of communication in a single presentation or product

• channels with signals that have a frequency between 470 and 806 megahertz

Tags

NGSS.MS-PS4-3

Audio

• a type of radio transmission in which the strength of the carrier wave changes

• what we hear on a telecast or broadcast

• the part of a telecast that you see

• a form of energy that is produced by vibrations

Tags

NGSS.MS-PS4-1

AM (amplitude modulation)

• a type of radio transmission in which the strength of the carrier wave changes

• channels with signals that have frequency between 54 and 216 megahertz

• channels with signals that have a frequency between 470 and 806 megahertz

• provides more than one way to get information on a CD-ROM

Tags

NGSS.MS-PS4-1

Sound

• what we hear on a telecast or broadcast

• channels with signals that have a frequency between 470 and 806 megahertz

• a form of energy that is produced by vibrations

• the distance between two successive peaks in a soundwave

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Video

• channels with signals that have frequency between 54 and 216 megahertz

• the part of a telecast that you see

• a combination of several kinds of communication in a single presentation or product

• provides more than one way to get information on a CD-ROM

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-3

UHF (ultra-high frequency)

• a type of radio transmission in which the frequency of the carrier wave changes

• channels with signals that have a frequency between 470 and 806 megahertz

• channels with signals that have frequency between 54 and 216 megahertz

• a type of radio transmission in which the strength of the carrier wave changes

Tags

NGSS.MS-PS4-2

Hypermedia

• channels with signals that have frequency between 54 and 216 megahertz

• a combination of several kinds of communication in a single presentation or product

• the part of a telecast that you see

• provides more than one way to get information on a CD-ROM

Tags

NGSS.MS-PS4-3

FM (frequency modulation)

• a combination of several kinds of communication in a single presentation or product

• a type of radio transmission in which the strength of the carrier wave changes

• a type of radio transmission in which the frequency of the carrier wave changes

• the distance between two successive peaks in a soundwave

Tags

NGSS.MS-PS4-3

Wavelength

• the distance between two successive peaks in a soundwave

• a form of energy that is produced by vibrations

• a type of radio transmission in which the frequency of the carrier wave changes

• channels with signals that have a frequency between 470 and 806 megahertz

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2