Exam 7: Personal Technology: the Future Is You

What are some advantages and disadvantages of technological portability?

Another name for image sharpness is ________.

Digital cameras come with a flash memory card that is inserted in the side of the camera.These cards can be used only once,so users have to keep buying additional cards.

The quality of a song on a digital audio player is determined by its ________,the number of times a song is measured and converted to a digital value.

Digital cameras have color LCD screens that preview the image that you are about to shoot.

People in the United States who still have analog TVs now must use a converter box to receive digital TV (DTV)signals,because TV broadcasters have switched from analog to digital.

The data you store in your phone,such as telephone numbers,is stored on _________ memory cards,which means that the data does not disappear when you turn your phone off-it is nonvolatile.

_________ software allows people to create their own radio shows and offer them for free,or for subscription fees,over the Internet.

Name and describe five methods of transferring images from a digital camera.

Podcast-receiving software is called an aggregator.

________ TV uses a digital signal,or series of 0s and 1s,and is much clearer and less prone to interference than analog TV.

The more megapixels a digital camera has,the better the resolution and the higher the quality of the image,and so the higher the price of the camera.

When most of us used to tune in our TV sets,we got a system of varying signal amplitude and frequency that represents picture and sound elements.This system is called ________ TV.

In addition to keyboard input,new smartphones also allow _________ input for issuing commands.

A single-lens reflex camera is a camera that has a reflecting mirror that reflects the incoming light in such a way that the scene viewed by the viewer through the viewfinder is the same as what's framed by the lens; professional photographers often choose this type of digital camera.

Unlike traditional radio,podcasting requires no studio or broadcast tower,and there's no Federal Communications Commission regulation.

Describe what podcasting is.

The threshold for safe listening to MP3 players is about 90 minutes a day at 80% volume.

Portable media players (PMPs)are small portable devices that allow you to play digital music and video.They use a format called ________ that allows audio files to be compressed so they are small enough to be sent over the Internet or stored as digital files.

The quality of a song played on a PMP is determined by the number of times,expressed in kilobits per second (kbps),that the song is measured and converted to a digital value,which is known as the ________ rate.