Digital Technologies Final Exam Study – Flashcards
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The device shown here provides an easy way to get extra
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storage capacity
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A _____ is a computer with the ability to perform trillions of calculations per second.
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supercomputer
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Very lightweight laptops are referred to as
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ultrabooks
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The basic unit of storage for data is the _____, which might contain a report, spreadsheet, picture, etc.
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file
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Today, an increasingly popular storage medium is _____ storage, which involves storing information on the web.
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cloud
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Workers in this field make sure the technology infrastructure is in place to support users. This may include setting up a network or making hardware and software recommendations.
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information technology
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This field involves the study of computer hardware and software systems and programming how devices interface with each other.
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computer engineering
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Computer clusters joined together with custom connections are referred to as
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render farms
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Which of the following is an example of ubiquitous computing?
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homes with sensors that read your body's temperature and automatically adjust the heat
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One of the most prevalent examples of a converged device is the _____, which has over 2 billion users across the globe.
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smartphone
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Mobile devices use web browsers designed to
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display web pages on smaller screens.
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Chapter 2 cites which of the following websites as a place where C2C e-commerce activity takes place?
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craigslist
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A website's starting page is called the
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homepage
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When this character is used in a search text, the search engine uses it as a placeholder for any possible word.
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asterisk (*)
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What does a metasearch engine do?
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searches keywords across several websites at the same time
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Web 3.0 is also called the
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Semantic Web
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The Netcraft Secure Server Survey in 2013 indicated an increase of _____ the number of websites it reported in 2010.
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over 3 times
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What type of Internet connection uses this type of hardware?
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cable modem
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In a URL, what element is just to the left of the top-level domain?
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the domain name
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Which of the following types of Internet connection is slower than the others and ties up your phone line?
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dial-up
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This type of optical drive is used mostly for high-definition movies and games.
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blu-ray
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RAM access speed is measured in
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megahertz
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A _____ printer heats specially coated paper to produce an image.
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thermal printer
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The type of device pictured above is represented by several brands, including each of the following except (interactive white boards)
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ubuntu
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A newer technology trend that is emerging is the _____, which allows you to charge multiple devices simultaneously without connecting them to anything with a cable.
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charging mat
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Chapter 3 discusses several different technologies that may be used to make a mouse function, including all of the following except
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magnetic resonance imagery.
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The speed of a computer's processor is measured in
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gigahertz
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The devices pictured here are part of a _____ system.
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virtual reality
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Which of the following correctly identifies the motherboard slots in this illustration?
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A = RAM slots, B = CPU slots, C = expansion slots
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_____ technologies include a variety of devices and methods that enable physically challenged computer uses to control their computer and provide input.
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assistive
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Starting your computer when the power is turned off is called a
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cold boot
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This operating system was developed by AT&T Bell Laboratories in the 1970s and was written in the C programming language.
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unix
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The widespread use of mobile devices such as tablets has resulted in employees bringing their own devices into the workplace and connecting the devices to company networks. This is referred to as
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byod
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Google's Android OS currently runs just over _____ percent of the mobile phones on the market.
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80
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Chapter 4 describes the utilities included in an operating system package as _____ but not _____.
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useful / essential
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A mobile operating system is stored in
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ROM
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As described in Chapter 4, system software is made up of
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the operating system and utility software.
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Which version of the Mac OS X is newest?
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El Capitan
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The graphical user interface replaced the _____ interface of earlier operating systems.
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command line
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A _____ is a subsystem the moves instructions and data around between the components of your computer.
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bus
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The open source movement makes _____ available to everyone in an effort to continue to build and improve the functionality of open source software
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source code
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Some web authoring software products require the user to know _____ and advanced scripting techniques.
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html
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Reducing redundant data helps improve the _____ of the database.
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accuracy
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The screenshots displayed above are early examples of
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application software
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Spreadsheet software has powerful _____ capabilities.
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calculating, charting, formatting
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In the illustration above, the question mark (?) indicates which of the following steps in the software development life cycle (SDLC)?
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programming the software
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Chapter 5 explains that the use of tabular lists and forms are two ways of viewing _____ in a database software program.
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data
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In the spreadsheet example shown in Chapter 5, _____ run from top to bottom and are designated by a letter.
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columns
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Productivity software suites typically include _____ software.
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spreadsheet, presentation, word processing
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PowerPoint, Impress, and KeyNote are examples of _____ software.
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presentation
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What type of device is pictured above?
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wireless bluetooth headset
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Of the following types of Internet connections, which represents the fastest speed range?
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fiber optic
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In the diagram above, which letter represents the device known as a firewall?
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a (first device)
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The illustration marked A above depicts a(n) _____ signal.
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analog (wavy)
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A client/server network is considered to be a(n) _____ architecture.
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distributed application
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_____ are used to share data between networks around the world.
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WAN
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A(n) _____ is a set of rules for how data is handled as it travels along a communications channel.
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network protocol
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A _____ is created when a company manages some computing resources and data in-house, but also has other services provided by outside vendors.
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hybrid cloud
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Chapter 6 discusses two kinds of signals used in transmitting voices and other sounds over a computer network:
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analog & digital
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A standard that specifies how two devices can communicate is called a
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protocol
