Computer COncepts

A vector graphic consists of:

A set of instructions for creating a picture

If you scan in an image from a paper document, the result is:

Bitmap image

How do you produce a 2D image of an irregular shape such as a bumpy stone with vector graphics software?

Draw a series of short line segments to outline the stone, then fill it with color.

The codes used in documents for formatting styles and margins are defined by:

The software that created the document such as Microsoft Word or Apple Pages

Arturo just spilled his bottled water all over his laptop. What would be the wisest action for Arturo to take first?

Turn the laptop off.

A plain text document does NOT contain

Underlining and special fonts

One important consideration when evaluating local storage options for digital devices is the amount of data that can be stored, referred to as _____.

capacity

Which of the following are not factors that directly affect the quality of digital video?

capture device's memory and storage technologies

The software that compresses a video stream when a video is stored and decompresses the file when the video is played is a(n) _____.

codec

Which type of audio file format is used to store most music for portable media players?

compressed

Which device should you purchase if you want an affordable system that is ideal for dedicated gamers, serious designers, desktop publishers, and video editors?

desktop

Software that helps a peripheral device establish communication with its host device is called a _____.

device driver

To convert an audio file stored on a CD into a format that you can listen to on a smartphone you can use the process called _____.

digital audio extraction

Solid state storage is also known as:

flash memory

Professor Plum draws a diagram to show the class how data from external devices travels through the circuitry of a computer. The arrows representing the data should take what path?

port to expansion bus to RAM to local bus to CPU

In which form of processing must all steps in the instruction cycle be completed before the microprocessor begins to execute the next instruction?

serial

A live stream _____.

is also called a Webcast

A file with the .wav extension _____.

is supported in Web browsers without any plugins

Which of the following file extensions does not indicate that a file is a vector graphic file?

.tif

Which extension at the end of a file name indicates that the file has been compressed?

.zip

In the RGB system, if each color is represented by a number from 0-255, the color white would be represented as:

255,255,255

The voices of Siri were created by live actors, but they couldn't record every possible response to user queries. The process used to create sentences from phonemes is called:

Concatenative speech synthesis

If you see an error message indicating that you cannot copy a certain audio or video file because you have already made the allowed number of copies, the system used to impose this restriction is termed

DRM (Digital Rights Management)

CDs and DVDs store data as:

Dark and light spots

Which of the following is not a characteristic of solid state drives?

Highly sensitive to mechanical shock (ie, dropping)

A friend calls you in a panic because the hard drive in his Windows PC has failed. He asks you what he should do now. What next steps do you recommend to your friend?

Install a new hard drive and use your recovery drive to boot the computer.

One of the main disadvantages of MIDI is:

It cannot produce vocals

If you attempt to compress an image in JPEG/JPG or PNG format, the result will be:

Not much more shrinkage

Which of the following is not a type of file format that holds a compressed video stream and an audio stream?

PNG

An alternative term for bitmap is:

Raster

Run-Length Encoding (RLE) accomplishes lossless compression by:

Replacing a series of similarly colored pixels with a binary code that indicates the number of pixels and their colors

If you have a paper document you wish to edit, you must:

Scan it into a computer using an OCR program

My GPS can pronounce the names of streets, even though these have not been recorded for its database. The technology used for this is:

Speech Synthesis

Which of the following is not a type of bitmap format?

ZIP

Numbers that represent dollar amounts and will be used to calculate the total cost and sales tax for an order are represented as _____.

binary numbers

Combining two images with red and blue overlays to create a stereoscopic effect produces a graphic called a(n) _____.

anaglyph

Text, numbers, graphics, sound, and video that have been converted into discrete digits such as 0s and 1s are _____.

analog data

Today's widescreen devices, such as laptops and smartphones, are designed for the 16:9 __________.

aspect ratio

Martijn downloads a new app to his smartphone that lets point his camera at one of his friends and see what they would look like with a cartoon animal dancing on their head as they walk around. How should you categorize this type of technology?

augmented reality

Which technology adds computer-generated vector objects to a view of the real world?

augmented reality

Digital devices can represent virtually any number simply by using the 0s and 1s of the _____.

binary number system

A photographer can capture images of a scene from the front, back, and sides and then stitch them together to produce a 360-degree image similar to the view from a merry-go-round, called a(n) _____.

cylindrical projection

Gagan's desktop computer is hit by an electrical surge that corrupts the device's boot loader. Gagan recognizes that he might be able to correct this problem by _____.

flashing the ROM

The number of bitmap images that are displayed per second as a video plays is called the _______.

frame rate

You can adjust the brightness values for various ranges of dark, mid-range, or light pixels within an image using a photo editor's _____.

image histogram

A Web designer who combines several separate photographs with overlapping edges in order to create a panoramic image is using a technique called _____.

image stitching

When you attempt to enlarge a bitmap by increasing its resolution, graphics software will typically create new pixels by averaging the colors of nearby pixels, a process called pixel _____.

interpolation

Journee notices that her smartphone's touchscreen is looking dirty and would like to safely clean it. She should _____.

leave her plastic screen protector on the touchscreen and wipe it with a disinfecting wipe

Which of the following sensors would best help an autonomous vehicle calculate the distance between itself and another vehicle?

lidar

Most computers have temporary holding areas for data called __________.

memory

Media is sent to a local device where it is stored temporarily, or "buffered," until there is enough data to begin playback by a(n) _____ stream.

on-demand

Riley wants to compress a group of Microsoft Word files into one unit that she can e-mail to a colleague at work from her Mac. She should begin by _____.

opening Finder and selecting the files

When vector animations are used for special effects in movies, the animation sequences are _____________.

pre-rendered into digital video clips

Interlaced scanning _____.

produces an image by drawing every other line

The number of times per second that a sound is measured during the recording process is referred to as the sampling _____.

rate

Interactive sequences in video games require developers to produce a series of bitmap images while the game is played using _____.

real-time rendering

The process for creating a vector-based computer animation _____.

requires the artist to create keyframes of vector objects

When recording narration for a brief instructional video, Jerusha ____

selects a sampling rate of 11 kHz because this project doesn't require high-quality sound

The American Standard Code for Information Interchange (ASCII) requires how many bits for each character?

seven

Romanius conducts a photo shoot late in the afternoon for a client. When he examines the photographs on his laptop later, he discovers that the sunlight has made the foreground objects appear too dark in some of them. Romanius can remediate this problem by _____.

sliding the levels bar in his image editor's histogram tool

Manipulating two-dimensional images to produce the illusion of three-dimensional depth is called ____________________.

stereoscopy

Digital photographers use software such as Autopano or PTGui, panoramic functions on digital cameras, or smartphone apps such as Photo Sphere to capture photos for image _____.

stitching

Vector graphics are _____.

suitable for most line art, logos, and diagrams