Answers VA-Information Technology Fundamentals BCreate a Multimedia Presentation

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Which is a feature of audio editing software?

It is used only by professionals.

It is able to run only on the Windows operating system.

It is used to edit images.

It is used to add sound effects.

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How is video compression accomplished?

Video compression works by making the pixel size smaller.

Video compression works by removing the sound.

Video compression works by smoothing the pixels.

Video compression works by removing unnecessary parts of frames.

Using the Impress program, you can add multimedia files, including audio, image, and video files, to the presentation by using

the Insert menu.

the Media menu.

the Edit menu.

the Add menu.

Which computer program offers a comprehensive collection of tools for creating digital art by using a variety of shapes, lines, and letters which can be easily measured and formatted?

LibreOffice Draw

Microsoft Excel

LibreOffice Calc

Microsoft PowerPoint

What is an easy and accurate way that a graphic designer can increase the size of a digital shape while keeping the ratio of height to width the same?

First make the height taller, and then drag the width by using one’s eyes to try to make sure the proportions stay the same.

Hold the key, such as Shift, that the program uses to make sure all dimensions are adjusted while dragging just one side.

Open the shape’s properties window, and type the height value multiplied by 2 and the width value multiplied by 3.

First convert the shape into a photo file, and then digitally manipulate it in a program such as Adobe Photoshop.

In a digital drawing program, when an object is highlighted, boxes appear at the sides and corners. These boxes can be grabbed and dragged to manipulate the size and shape of the object. What are these boxes called?

handles

pointers

grips

shifters

An audio file of a chorus was edited so that the high-pitched and low-pitched voices sounded more harmonious. The technique that was used is called

equalizing.

fading.

mixing.

dithering.

What form of storage is needed to allow analog photographs to be digitized and displayed on computers, smartphones, and other mobile devices?

a binary system that consists of a sequence of ones and zeros

a system of mathematical functions that create lines and shapes

a clip art system that consists of raster graphics

a system consisting of RAW files that result from lossy compression

To add a hyperlink to your presentation, select the text, choose Hyperlink from the Insert menu, and then

type the word “hyperlink” in the Target field.

click Apply.

change the font to blue.

type the Internet address in the Target field.

What is the purpose of a hyperlink in a presentation?

to add a joke to a presentation

to create an attractive image

to connect a user to a new slide, a file, or a webpage

to keep track of the order of slides

There are many different types of audio file formats, but the formats can be grouped into three different categories. These categories are

equalized, quantisized, and codasized.

MP3s, Oggs, and FLACs.

uncompressed, lossless, and lossy.

WAVEs, MPEGs, and AIFFs.

The audio file types that can be added to a presentation using Impress are

.avi, .mpeg, and QuickTime.

.midi, .mpeg, and .wave.

.jpg, .bmp, and .png.

.tif, .gif, and .bmp.

A compressed format featuring small file size and good quality that is commonly used for online videos and music videos is

BIN.

MPEG.

WAV.

RAM.

Which compression type causes audio files to lose (typically unnoticeable) quality?

lossy

lossless

equalizing

dithering

Images can be very helpful to a presentation by

providing context, additional information, or humor.

creating a break in the presentation.

keeping the viewer on topic.

controlling the timing of the slides.

To create a nonlinear presentation that has external links, the designer should

include every slide in an order that loops continuously, causing the whole presentation to repeat.

include hyperlinks on each page to a table of contents that shows the order of the presentation.

include hyperlinks to websites or other slides that the user can choose at will.

include slides that move from start to finish following the same path each time.

Bit rate is a measure of how many bits of data are transmitted per second. Compared to videos with a higher bit rate, the same videos with a lower bit rate would most likely have

a 3D effect.

blocky, pixilated motion.

a larger file size.

a smoother flow of motion.

In order to create a horizontal 2-inch-thick dotted green line exactly 2 inches away from the top of the canvas, a graphic artist would most likely need to use

the formatting menu and the ruler to the left of the canvas.

image manipulation and the ruler to the left of the canvas.

the formatting menu and the ruler at the top of the canvas.

image manipulation and the ruler at the top of the canvas.

Which type of graphic is able to be resized without any loss of quality?

raster

vector

pixel

royalty

When preparing a photo for a magazine, a graphic designer would most likely need to use a program such as

Microsoft Excel to keep track of magazine sales.

Microsoft Word to write an article about the photo.

Adobe Photoshop to manipulate the photo.

Autodesk Maya to create 3-D images that match the photo.

While using LibreOffice Draw to design a poster for a class project, Sandra needs to insert worded labels for graphs and charts. The words will be in different fonts and colors. To insert these words, Sandra should use

the line tool.

the prose tool.

the text tool.

the letter tool.

Miguel wants to process photos he took while they have the highest possible resolution. He uses RAW format, which allows him to do this. One drawback of transferring RAW files directly to his computer to save and share them is that the photos

have a much larger file size than JPG files.

will look smaller than JPG files.

will not look as good as JPG files.

would print with poorer color quality than JPG files.

Video digitization is the process of

storing analog information on a hard drive so it can be edited in continuous form rather than binary.

converting digital information into codec form, which can be more easily edited and shared.

storing digital information on a tape so it can be easily shared after editing.

converting analog information into binary form, which can be more easily edited and shared.

What two units are used to measure the frequency and amplitude of a sound wave?

Hertz is a measure of frequency, and a decibel is a measure of amplitude.

A decibel is a measure of frequency, and hertz is a measure of amplitude.

The quantization is a measure of frequency, and sampling is a measure of amplitude.

Sampling is a measure of frequency, and the quantization is a measure of amplitude.

Sound can be converted from the electrical energy inside a computer into the mechanical energy of soundwaves in air by using

an ADC.

sampling.

decoding.

a transducer.

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