CGS 2060 Midterm Exam - Q & A (Complete Solutions)

CGS 2060 Midterm Exam - Q & A (Complete Solutions) 1. MIDI 2. HDMI 3. Plug and Play 1. Capable of carrying digital music signals and are common in today's music scene 2. allows for the transmission of high-definition a ...

CGS 2060 Midterm Exam - Q & A (Complete Solutions) 1. MIDI 2. HDMI 3. Plug and Play 1. Capable of carrying digital music signals and are common in today's music scene 2. allows for the transmission of high-definition audio and video signals 3. a technology that enables the OS to detect and configure peripherals without downloading software or drivers 1. L1 cache 2. L3 cache 3. Disk cache 1. memory located directly on the processor itself 2. memory located adjacent to the processor 3. memory used to increase a hard drive's efficiency Select what's true requiring all-in-one computers. -All-in-one computers house every component except the keyboard and mouse inside the same case as the monitor. -All-in-one computers are designed to be highly mobile so that they can be used by people on the go. What is equal to one cycle per second? Hertz FireWire connectors were developed for ______ computers. Apple The standard port for video and audio input into televisions today is the ______ port. HDMI Data from the hard drive reaches the CPU _____ than data from the RAM. Slower When a computer is shut down, the information in the memory (the RAM, the caches, the registers) is _____. not saved The two main components of a processor are the arithmetic logic unit (ALU) and the _____ unit. Control The ______ cache is located directly on the processor itself. L1 In addition to the RAM, modern processors temporarily keep frequently accessed data in a _____. Cache A short-range wireless transmission protocol is known as _____ . Bluetooth Represented as either a 0 or 1, a ____ is the smallest unit of data a computer can process. Bit Personal computer CPU clock speeds range between _______ . 2 to 4 gigahertz Because its radio waves pass through walls or desktops, ___ - capable devices are becoming very popular. Bluetooth Megahertz is equal to one _____ cycles (or instructions) per second. Million The abbreviation for megahertz is ___ . MHz A separate processor (computer) in your computer that enhances your video is called the ___ . Graphic processor (GPU) What is equal to one cycle per second? Hertz The amount of data that defines each color in a pixel is called ____ . color depth How is Screen size measure? diagonally from a top corner to a bottom corner of a visible display Select the true statements regarding an LED display. -can be extremely thin -extremely energy efficient -create a significant amount of heat Today's computer keyboard was named after Sir Wesley Reginald Qwerty, inventor of the typewriter. False 1. Input 2. Storage 3. Output 1. Entering text in a word 2. Putting a photo onto a USB drive (thumbdrive). 3. Playing a song from Spotify. An input, output or storage device connected to a computer is known as a(an) _____ . Peripheral Number of times per second a frame in a video is advanced is the definition of _____. frame rate Select the features common in DSLR cameras. -often allow for interchangeable lenses -are less expensive than point-and-shoot cameras Active Pixel Sensor (APS), Complementary Metal-Oxide Semiconductor (CMOS) technology is used in most digital cameras, smartphone cameras and webcams today. True Which are true regarding a screen's resolution? -equals the number of pixels in a display -described as distance between 2 pixels -equals the diagonal length of the screen MEMS chips are used in which of the following? hearing aids, pet identification chips, poker chips The term that describes how fast each pixel in a display is updated is ___ . refresh rate An output device that uses light to display video or image output on a surface is called a ___ . Projector Using reflective material to store data that can be read using a laser is called ___ media storage. optical Relatively rugged, water-resistant video cameras that allow users to film high-definition video under harsh conditions, such as on ski mountains, in the ocean, or at high altitudes are called extreme-action video cameras or simply a ___ . GoPro Select the traits that are currently used for biometric identification. -fingerprint -irises 1. CTRL+V 2. CTRL+P 3. CTRL+Z 4. CTRL+S 1. Paste 2. print 3. undo 4. save When discussing digital cameras or smartphone cameras with APS CMOS, APS stands for ___ . active pixel sensor Select the current uses for RFID tags. -package tracking -inventory tracking -musical fidelity A description of the difference in the luminance of a display's white pixels compared to the black pixels is called ___ . contrast ratio 1. Input 2. Storage device 3. output 1. game controller, speaker 2.projector, external hard drive 3.hard drive, mouse Select the statements that refer to the term "dot pitch". -the closer the spacing (the smaller the dot pitch) the sharper the image -the diagonal measurement of the visible display Apple Pay uses _____ for payment transfer. NFC 1.Command+A 2.Command+Shift+3 3.Command+S 4.Command+F 1. select all 2. screenshot 3. save 4.find (in most apps) Select the popular video teleconferencing applications. Apple Facetime Microsoft skype google+ Hangouts RFID stands for which of the following. Radio Frequency Identification Select the technologies used by facial recognition software. - 3D mapping - feature charting - skin texture analysis - capacitance analysis 1. CTRL+B 2. CTRL+A 3. CTRL+X 4. CTRL+C 1. bold 2. select all 3. cut 4. copy How can you attach a mouse or other pointing device to your computer? - with a Bluetooth connection - with a wire through a USB port Select the factors that should be considered when purchasing external speakers for a digital device. -sound quality -portability -price Printer manufacturers advertise the quality of their products by stating how many ___ they produce. DPI The technology that allows any text, even handwritten scrawls, to be digitized is known as optical ___ recognition. Character Magnetic Ink Recognition (MICR) is a technology that is most commonly seen on ____ . Checks Select the input devices often found at a point-of-sale station. bar code or UPC reader receipt printer Select the qualities that make a trait useful for biometric recognition. -The trait must be measurably different with each person. -The trait must not change over time. Select the characteristics of a plotter. - prints large graphic displays - mechanically moves a pen over a large sheet of paper - uses inexpensive toner rather than ink - paper turns black when heated Sometimes used to create prototype models for casting, ___ printing is also known as additive manufacturing 3D The distance between two adjacent sub-pixels on a display is referred to as ___ . dot pitch Number of times per second a frame in a video is advanced is the definition of ___ . frame rate The smallest controllable element of an image is called a(n)___ . Pixel Which of the following refer to ultra-high-definition television displays? -4K UHD -8K UHD -UltraHD -SuperHd The most common printers for printing receipts are ___ printers. Thermal Select the 3 main ways of detecting and recording fingerprints. Optical - takes a photo of the fingerprint. In general, game controllers can be interchanged between different types of gaming consoles. False The art and science of creating output that provides information in the most useful manner is called ___ . Ergonomics Select the output devices. Printers Select the characteristics of thermal printing. -commonly used for printing receipts -paper turns black when heated -makes high quality photo prints -useful for printing multiple color copies A port that allows the transfer of high quality video and audio signals is called a(n) ___ port. HDMI Laser printers are popular in offices because they use relatively inexpensive ___ . toner Select the features common in DSLR cameras. -often allow for interchangeable lenses -usually have a mirror that allows the photographer to look directly through the lens -rarely include optical zoom -are less expensive than point-and-shoot cameras The number of pixels in an image is called the image's ____ . Resolution These facilitate getting data and information into your computer. input devices In photography, there are 2 ways to focus on distant objects, digital zoom and ____ zoom. Optical With optical zoom, resolution ____ when focusing on distant objects. remains the same This type of analysis or walking stride identification is valuable because it can be used at night or through walls with infrared cameras or even with satellite imagery. gait analysis Because of their compact size, touchpads are most often used with _____ computers. Laptop A camera that takes photos or steams video into a computer or over the Internet is called a ___ . Webcam Select the peripherals. Printer monitor tablet Many DSLRs have full (35mm) sensor arrays enabling photographers to take extremely high resolution photos. True As technology advances there are fewer keyboard options available for computer users. True A commonly-used short range wireless technology used for data transfer and electronic payments is called ___ . NFC Inkjet printers are often sold ____ their production cost. Below 3D mapping, feature charting, and skin texture are some of the methods facial recognition software uses to identify individuals. True Increased data transfer will be less likely to have errors if you use a ___ USB cord. Shorter Television displays with resolutions of at least 3840 x 2160 pixels are referred to as ___ UltraHD Printer speed is described using which acronym? PPM The number of bits of data describing each pixel in a display is referred to as ___ . color depth A process that has an initial value, a process, and a test condition that can potentially return the program to the initial value is called a ___ . Loop Designed to display documents on the web, this version of the HTML set of protocols provides a smooth interface between natural language and machine language by wrapping data in "tags" for web display. Extensible Markup Language If it can be answered as either yes or no, or true or false, the question is called ___ . Binary The fifth step in the SDLC process is the system implementation phase. During this phase the new system is brought online. Select methods of converting an organization from an older IT system to a newer IT system. -Holiday conversion - placing the new system online while everyone is gone. -Pilot conversion - starting the new system in one sector of the organization to ensure that it works smoothly. -Parallel conversion - running both systems side-by-side for a while and then shutting the old system. -Direct conversion - shutting down the old system completely and starting the new one. The 3 phases that should be accomplished in the investigation step of the SDLC include: -Defining the problem. What should this system do? Who will by using this IT system? -Examining alternatives. Can available hardware and software perform the same task? -Reporting. Document your investigation's findings. The first step in the SDLC involves defining the problems that the IT system should address, examining various alternatives, and reporting the findings. This is referred to as the ___ step. Investigation An object-oriented programming language that is popular for writing apps for Android phones and tablets is ___ . Java 1. 5GL 2. 4GL 3. 2GL 4. 1GL 5. 3GL 1.Extremely advanced - uses statements (scripts) rather than algorithms. 2. Specifically designed for creating database management programs. 3. Assembly language - an assembler converts 2GL into machine language. 4.Machine language - represented by a series of 1s and 0s. 5.High-level programming language - uses a compiler to convert into machine language. A program that makes creating websites and webpages much faster is ___ . JavaScript The final step in the system development life cycle is maintaining the system. Select the two phases of this step. evaluation phase training phase The process used to develop and maintain an IT system is referred to as the SDLC. SDLC stands for the System Development ___ Cycle. Life