CGS Ch3: Computer Science Flashcards
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Which of the following is not a determinant of the category in which a computer best fits?
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resolution
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If a POS terminal is able to update inventory at geographically separate locations, what is the term for this ability?
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internet capable
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Which of the following are large, expensive, powerful computers that can handle hundreds or thousands of connected users simultaneously and store tremendous amounts of data, instructions, and information?
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mainframes
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Which of the following are small and have limited hardware because they are components in larger products?
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embedded computers
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Short text messages sent via a text message service are typically fewer than how many characters?
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300
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Which of the following is a special-purpose computer that functions as a component in a larger product?
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embedded computer
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Which of the following terms includes speakers, webcams, and printers as examples?
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peripherals
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What is the term for the smallest element in an electronic image?
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pixel
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Which of the following companies does not manufacture computers that use the Windows operating system?
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Apple
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What percent of e-waste is recycled?
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20
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What is the electronic component that interprets and carries out the basic instructions that operate the computer?
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processor
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Which of the following is the practice of sharing computing resources, such as servers, like those in the accompanying figure?
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virtualization
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Which of the following is an example of a mobile device?
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smartphones
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Which of the following is an external device that provides connections to peripheral devices through ports built into the device?
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port replicator
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Which of the following is a portable, personal computer designed to fit on your lap?
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notebook
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Which of the following is a network of several servers, like those in the accompanying figure, together in a single location?
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server farm
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Which of the following is housed in a bay within a metal frame?
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rack server
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Which of the following occurs when the electrical supply or voltage drops, often defined as more than five percent below the normal volts?
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undervoltage
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Which of the following is NOT a likely complaint of someone who spends his or her workday using the computer?
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high blood pressure
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Which of the following is held with both hands and controls the movement and actions of players or objects in video games or computer games?
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gamepad
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Which of the following exists in the form of a single circuit board?
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blade server
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Which of the following is the process of initiating contact between two Bluetooth devices and allowing them to communicate with each other?
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pairing
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How many peripheral devices can you connect with a USB port?
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up to 127
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It is estimated by one publisher that, on average, libraries replace a print book after how many checkouts?
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26
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Which of the following is an affordable and lightweight digital camera with lenses built into it and a screen that displays an approximation of the image to be photographed?
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point-and-shoot
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Which of the following is an alternative to the use of your finger to enter data on a tablet like the one shown in the accompanying figure? (Tablet)
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stylus
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Which of the following kinds of computing refers to an environment of servers that house and provide access to resources users access through the Internet?
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cloud
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Which of the following is the term for unsolicited mail messages?
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spam
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Which kind of keyboard projects an image of a keyboard on a flat surface?
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virtual
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Which of the following is a four- or five-digit number assigned to a specific content or mobile service provider, for example, to vote for a television program contestant or donate to a charity?
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CSC
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Which of the following is built into an upright cabinet that stands alone?
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tower server
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Which of the following refers to the case that contains and protects the motherboard?
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system unit
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What is the term for the technology that allows users to view message details such as the length of calls, for example?
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visual voice mail
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Which of the following are small speakers that rest inside each ear canal?
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earbuds
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Which of the following protects against electrical power variations?
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surge protector
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Which of the following do most major corporations use for business activities like billing millions of customers, preparing payroll for thousands of employees, and managing millions of items in inventory?
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mainframes
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What is the term for the picture/video message service available on smartphones and other mobile devices?
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MMS
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Which of the following are capable of processing many trillions of instructions in a single second?
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super computers
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Which of the following kinds of UPS runs off a battery?
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online UPS
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Which of the following is an example of an operating system?
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Windows
