UTA INSY 2303 Final Exam questions with verified solutions

The _______ number system allows digital devices to represent virtually any number simply by using 0s and 1s. (Unit 1) Binary Most graphics software uses a process called pixel _________ to create new pixels by averaging the colors of nearby pixels. (Unit 1) Interpolation Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:00 Full screen MIDI files are less compact than digital audio files. (Unit 1) False Which of the following options are well suited for using vector graphics? (Unit 1) All 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. (Unit 1) Codec One of the main disadvantages of MIDI is that it cannot produce vocals. (Unit 1) True Most music for portable media players is stored in _______ audio file formats. (Unit 1) Compressed Which of the following is NOT a type of bitmap format? (Unit 1) ZIP 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. (Unit 1) True __________ is music, speech, and other sounds represented in binary format for use in digital devices. (Unit 1) Digital audio 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? (Unit 1) Cloning Digital data can be __________ that have been converted into discrete digits such as 0s and 1s. (Unit 1) All of the above 8-bit color depth is also called True Color. (Unit 1) False Both scanners and digital cameras produce vector graphics. (Unit 1) False Lossy compression techniques discard some data from an image to shrink its file size. (Unit 1) True In digital video, a lower resolution reduces the bit rate. (Unit 1) True TIFF, PNG, and GIF graphics formats offer lossy compression. (Unit 1) False A bitmap graphic is composed of a grid of tiny rectangular cells. (Unit 1) True Lossy compression throws away some of the original data during the compression process. (Unit 1) True _________ enables people to control software with spoken commands, as well as dictate text into a word processing document. (Unit 1) Speech recognition To conserve space, applications that require high-quality sound use low sampling rates. (Unit 1) False Which of the following is NOT a format that is used for digital audio? (Unit 1) DOC Digital photographs are stored as bitmap files. (Unit 1) True Digital video is a core technology for which of the following? (Unit 1) All of the above Which of the following is NOT a type of digital video container file? (Unit 1) PNG In digital video, as long as the proportion of horizontal and vertical pixels remains the same, the aspect ratio is consistent. (Unit 1) True Sampling _______ refers to the number of times per second that a sound is measured during the recording process. (Unit 1) Rate JPEG fields are compressed using lossy compression. (Unit 1) True Video resolutions can be expressed as width x height. (Unit 1) True 3-D graphics are based on vectors stored as a set of instructions describing the coordinates for lines and shapes in a three-dimensional space. What do these vectors form? (Unit 1) A wireframe The number of frames that are displayed per second is measured in _____. (Unit 1) Fps A file name extension indicates the file format. (Unit 1) True Today's color display devices represent color using the _____ color model. (Unit 1) RGB Vector graphics usually require more storage space than bitmaps. (Unit 1) False Regardless of sampling rate, digital audio file size can be reduced using audio compression techniques. (Unit 1) True Plain, unformatted text is sometimes called ASCII text. (Unit 1) True Compressed files usually have _____ at the end of the file name. (Unit 1) .zip Lossy compression provides a way to compress data and reconstitute it into its original state. (Unit 1) False Which of the following tools would be found in 3-D graphics software? (Unit 1) All of the above After a vector graphic is converted to a bitmap, the resulting graphic no longer has the qualities of a vector graphic. (Unit 1) True Digital videos look sharpest when they are displayed at a resolution that is larger than the frame size. (Unit 1) False What is another term for vector graphics software? (Unit 1) Drawing Software A vector graphic consists of a set of instructions for creating a picture. (Unit 1) True The number of colors available in a graphic is referred to as color _____. (Unit 1) Depth Processing is handled by the computer's central processing unit (CPU). (Unit 2) True