CC Ch 1

The process of converting information, such as text, numbers, photos, or music, into digital data that can be manipulated by electronic devices is called ___________. a. binary b. digitization c. representation d. none of the above

data consists of numbers that can be used in arithmetic operations. a. Text b. Digital c. Numeric d. Binary

The _______ number system allows digital devices to represent virtually any number simply by using 0s and 1s. a. digital b. text c. numeric d. binary

ASCII requires __________ bits for each character. a. two b. six c. seven d. ten

Unicode uses________ bits and provides codes for 65,000 characters. a. seven b. eight c. ten d. sixteen

A group of eight bits is called a _______. a. byte b. megabit c. binary d. numeric data

Transmission speeds are expressed in _______, whereas storage space is expressed in _______. a. bits, bytes b. bytes, bits c. binary, numeric d. none of the above

is music, speech, and other sounds represented in binary format for use in digital devices. a. MIDI b. speech recognition c. speech synthesis d. Digital audio

Sampling _______ refers to the number of times per second that a sound is measured during the recording process. a. rate b. compression c. depth d. sound

30. Most music for portable media players is stored in _______ audio file formats. a. uncompressed b. compressed c. lossless d. zipped

Digital audio is stored in a variety of file formats, including ___________. a. WMA b. WAV c. MP3 d. all of the above

Which of the following is NOT a format that is used for digital audio? a. MP3 b. DOC c. WAV d. Ogg

enables people to control software with spoken commands, as well as dictate text into a word processing document. a. MIDI b. Speech synthesis c. Speech recognition d. Phonemes

Which of the following is NOT a type of bitmap format? a. TIFF b. RAW c. PNG d. ZIP

Today's color display devices represent color using the ______ color model. a. RGB b. PNG c. BMP d. none of the above

The number of colors available in a graphic is referred to as color _________. a. depth b. range c. RGB d. PNG

Most graphics software uses a process called pixel _________ to create new pixels by averaging the colors of nearby pixels. a. polarization b. interpolation c. compression d. resolution

In the context of bitmap graphics editing, what technique employs algorithms that pull pixels from one area of an image and then apply them to another area? a. inpainting b. cloning c. noise reduction d. image enhancement

What is the term used to describes altering the pixel colors where the edges of the object and the background meet, so that the object appears to merge with the background? a. Alpha blending b. Clipping path c. Cloning d. Inpainting

Which of the following options are well suited for using vector graphics? a. line art b. logos c. diagrams d. all of the above

Which of the following file extensions is NOT a vector graphic? a. .svg b. .eps c. .tif d. .ai

What is another term for vector graphics software? a. Drawing software b. Photo editing software c. Digital compositing d. All of the above

3-D graphics are based on vectors stored as a set of instructions describing the coordinates for lines and shapes ina thre dimensional space. What do these vectors form? a. a bitmap graphic b. a zipped file c. a wireframe d. all of the above

Which of the following is the technique for adding light and shadows to a 3D image? a. rendering b. ray tracing c. wireframe d. rasterize

Which of the following tools would be found in 3D graphics software? a. rendering tools b. ray tracing tools c. surface texture tools d. all of the above

Which of the following is NOT a factor in the quality of digital video? a. frame rate and resolution b. color and bit depth c. compression technique d. memory technology in your camera

The number of frames that are displayed per second is measured in _______. a. compression b. fps c. color depth d. bps

Today's widescreen devices, such as laptops and smartphones, are designed for the 16:9 __________. a. resolution b. aspect ratio c. frame rate d. all of the above

________ is the number of bits that are processed during a specific unit of time, usually during one second. a. Bit rate b. Bit depth c. Color depth d. none of the above

A(n) _______ is the software that compresses a video stream when a video is stored, and decompresses the file when the video is played. a. compression b. codec c. bitmap d. resolution

Which of the following is NOT a type of digital video container file? a. MP4 b. AVI c. VOB d. PNG

Data refers to the symbols that represent people, events, things, and ideas. a. True b. False

A file name extension indicates the file format. a. True b. False

The binary number system has only two digits: 1 and 2. a. True b. False

Character data is composed of letters, symbols, and numerals that are used in calculations. a. True b. False

Plain, unformatted text is sometimes called ASCII text.

ASCII text files contain formatting. a. True b. False

All of the data stored and transmitted by digital devices is encoded as bits. a. True b. False

Lossy compression provides a way to compress data and reconstitute it into its original state. a. True b. False

Lossy compression throws away some of the original data during the compression process. a. True b. False

To conserve space, applications that require highquality sound use low sampling rates. a. True b. False

Regardless of sampling rate, digital audio file size can be reduced using audio compression techniques. a. True b. False

The technical term for ripping music tracks is digital audio extraction. a. True b. False

MIDI files are less compact than digital audio files. a. True b. False

One of the main disadvantages of MIDI is that it cannot produce vocals. a. True b. False

Text-to-speech software analyzes the words in a section of text, finds corresponding phonemes, and combines them into sentences for output. a. True b. False

A bitmap graphic is composed of a grid of tiny rectangular cells. a. True b. False

Digital photographs are stored as bitmap files. a. True b. False

8bitcolor depth is also called True Color. a. True b. False

Bitmap graphics are resolution dependent because each element is a discrete pixel. a. True b. False

TIFF, PNG, and GIF graphics formats offer lossy compression. a. True b. False

JPEG files are compressed using lossy compression. a. True b. False

Lossy compression techniques discard some data from an image to shrink its file size. a. True b. False

A vector graphic consists of a set of instructions for creating a picture. a. True b. False

Instead of storing the color value for each pixel, a vector graphics file contains instructions that a computer uses to create the shape, size, position, and color for each object in an image. a. True b. False

Vector graphics usually require more storage space than bitmaps. a. True b. False

All bitmap graphics are photos. a. True b. False

Both scanners and digital cameras produce vector graphics. a. True b. False

After a vector graphic is converted to a bitmap, the resulting graphic no longer has the qualities of a vector graphic. a. True b. False

3D graphics can be animated. a. True b. False

Digital video uses bits to store color and brightness data for each video frame. a. True b. False

Digital videos look sharpest when they are displayed at a resolution that is larger than the frame size. a. True b. False

Video resolutions can be expressed as width x height. a. True b. False

In digital video, a lower resolution reduces the bit rate. a. True b. False

Transcoding digital videos does not cause a loss of quality. a. True b. False

To digitally record sound, __________ of a sound wave are collected at periodic intervals and stored as numeric data in an audio file

___________refers to the symbols that represent people, events, things, and ideas.

Data becomes _______ when it is presented in a format that people can understand and use.

Data __________ refers to the form in which data is stored, processed, and transmitted.

The 0s and 1s used to represent digital data are referred to as _________ digits.

In a formatted text file, ________ signals the beginning and end of a formatting command.

Data ____________ refers to any technique that recodes the data in a file so that it contains fewer bits.

A(n) _______ is software that works in conjunction with your computer's browser to manage and play audio that you are accessing from a Web page.

______ specifies a standard way to store music data for synthesizers and computers.

________ is the process by which machines produce sound that resembles spoken words

Speech recognition software analyzes the sounds of your voice and converts each word into groups of ________.