Technology In ActionChapter 8:

Digital Devices and Media: Managing a Digital Lifestyle

Chapter Topics Digital Convergence Telephony: Smartphones and Beyond Tablets, Notebooks, and Ultrabooks Digital Defined Digital Media

Digital Convergence Digital Convergence:

› The use of a single unifying device to handle media, Internet, entertainment, and telephony needs

Digital Convergence

ThenN

ow

Telephony: Smartphones and Beyond

Telephony:› Equipment to provide voice

communications over a distance What Makes a Smartphone:

› Internet access› Personal information management› Voice recording› Play and organize music files› GPS service› Digital image and video capture› Computing power to run programs

Telephony: Smartphones and Beyond Components:

› CPU, Processor (OS) to run many tasks as computer

› Memory stores all phone information and programs

› Input/output features like microphone, touch screen, speaker, and LCD display

How Cell Works:› By placing calls, it is

picked up by base receiver and converted to digital signals using analog-to-digital converter chip

Synchronizing:› Can be done

through wired USB or SD card or wireless through Bluetooth

Text Messaging:› Uses phone

network to transfer message, video, or photo from device to device

Telephony: Smartphones and Beyond Mobile Internet:

› Smartphones can connect to Internet two ways: using a Wi-Fi network or cellular phone connection (3G or 4G network data plan)

Security:› Smartphones are

capable of viruses but antivirus software is available though these cases are rare

VoIP:› Provides a fully digital phone

service as an alternative if phone has very poor reception and low reliability

› Example: Skype GPS:

› All smartphones have a GPS chip as mandated by Enhanced 911 for emergency calls location responses

› GPS works through a network of satelites and translate signals into latitude and longitude

Tablets, Notebooks, and

Ultrabooks

TabletsNetbooks

Light Portable iOS or Andriod proccessor Long battery Touch Screen

Full traditional OS Small Run computer programs

Digital Defined Digital media is based on series of

numerical data, values which were measured from the original waveform.

Digital Media Increased use of digital information led

to great creative period Digital publishing enhanced

distribution Digital music created by pure digital

sounds with samples of analog Use by:

› Digital cameras› Software› Live streams