UTA INSY 2303 Final Exam 2022 with complete solution

UTA INSY 2303 Final Exam 2022 with complete solution 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 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 ______ is data that is entered into a computer. ______ is the result produced by a computer. (Unit 2) Input, Output A slate tablet configuration is basically a screen in a narrow frame that lacks a physical keyboard. (Unit 2) True Intel Corporation is the world's largest chipmaker and supplies a sizeable percentage of the microprocessors that power desktops and laptops. (Unit 2) True Most computer ads specify the speed of a microprocessor in gigahertz. (Unit 2) True The term instruction cycle refers to the process in which a computer executes a single instruction. (Unit 2) True In a microprocessor, the __________ fetches instructions. (Unit 2) Control unit The ability to switch between programs makes computers multipurpose devices. (Unit 2) True In a display device, response rate is the time it takes for one pixel to change from black to white then back to black. (Unit 2) True Modern refrigerators, washing machines, and other appliances are controlled by integrated circuits called ____________ that combine sensors with processing circuitry. (Unit 2) Microcontrollers Smartwatches are multifunction devices that can include a camera, thermometer, compass, calculator, cell phone, GPS, media player, and fitness tracker. (Unit 2) True _________ is a temporary holding area for data and programs. (Unit 2) RAM During an instruction cycle, all parts of the instruction are performed by the microprocessor's control unit. (Unit 2) False What type of computer should you consider purchasing if you want a system that is ideal for dedicated gamers, serious designers, desktop publishers, and video editors? (Unit 2) Desktop A solid state drive can be used as a substitute for a hard disk drive. (Unit 2) True Memory cards are typically volatile. (Unit 2) False Computers with the same operating systems can typically use the same software and peripheral devices. (Unit 2) True A desktop is a portable computing device featuring a touch-sensitive screen that can be used for input as well as for output. (Unit 2) False The part of the data bus that runs between the microprocessor and RAM is called the _______ bus. (Unit 2) Local Battery life is the time your device operates before it must be recharged. (Unit 2) True Which of the following is an example of a computer that is a small, lightweight personal computer that is designed like a clam shell? (Unit 2) Laptop computer The electronic components of most digital devices are mounted on a circuit board called a ______________. (Unit 2) All of the above RAM is volatile. (Unit 2) True The operating systems for smartphones are radically different to those used for tablet computers. (Unit 2) False When a peripheral device is connected or disconnected while the host device is operating, it is called hot-plugging. (Unit 2) True When interference affects a wireless signal, data must be re-transmitted. (Unit 3) True Wi-Fi signals may reach up to 300 feet from the router. (Unit 3) True _______ are designed to provide connectivity for devices within a limited area, typically within the premises of a home, office building, business, or school. (Unit 3) LANs UDP is faster than TCP but does not perform error checking. (Unit 3) True When setting up a Wi-Fi network, the router you select should support the fastest device you'll want to use on the network. (Unit 3) True The most widespread wireless channels for communication networks are microwaves and RF signals. (Unit 3) True Which type of network cover a large geographical area and usually consists of several smaller networks, which might use different computer platforms and network technologies. (Unit 3) WAN You can set up Wi-Fi to use wireless mesh topology OR star topology. (Unit 3) True Connection speed is technically a measure of capacity. (Unit 3) True The organization that supervises Internet addressing is ARPANET. (Unit 3) False __________ LANs are usually arranged in a star topology with computers wired to central switching circuitry that is incorporated in modern routers. (Unit 3) Ethernet You may be able to bypass DNS outages by changing your DNS server. (Unit 3) True Which type of network connects smart devices or consumer electronics within a range of about 30 feet (10 meters) and without the use of wires or cables. (Unit 3) PAN Microwaves have more carrying capacity than radio waves. (Unit 3) True Suppose you wanted to run a Web server or FTP server from your home. What type of IP address would you want? (Unit 3) Static Which DCE would you use if you wanted to extend a wired network by adding more ports? (Unit 3) Hub Which type of network topology connects a peripheral device to a host device? (Unit 3) Point-to-point DSL is an example of what type of Internet access? (Unit 3) Fixed