CSCI 169 Chapter 2
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What is a terabyte?
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One trillion bytes
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Which of the following is not an input device? a) an optical mouse b) a keyboard c) a touch-screen monitor d) a laser printer
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d) a laser printer
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Monitor screens are made up of millions of tiny dots known as __.
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pixels
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Which of these is NOT located on the motherboard? a) CPU b) RAM c) DVD drive d) ROM
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c) DVD drive
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Which of the following is NOT an optical storage device? a) DVD drive b) flash drive c) Blu-ray drive d) CD drive
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b) flash drive
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Ergonomics is an important consideration __.
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for all computing devices
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True/False: Data and information are NOT interchangeable terms.
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True
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True/False: The operating system is a type of application software.
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False
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True/False: The ethernet port is an example of a connectivity port.
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True
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True/False: A typical CPU can complete billions of machine cycles in one second.
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True
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Computers use __ language consisting of 0s and 1s.
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binary
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In binary language, each letter of the alphabet, each number, and each special symbol is made up of a unique combination of eight __.
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bits
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Apple's OS X and Microsoft Windows are examples of __ software.
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operating system
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__ is a large, expensive computer that supports many simultaneous users and manages large amounts of data
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A mainframe computer
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__ computers are specially designed computer chips that reside inside other devices such as a car.
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Embedded
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A keyboard and mouse are examples of __ devices.
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input
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A(n) __ is an input device that looks like a pen.
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stylus
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The number of pixels displayed on the screen is known as __.
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screen resolution
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The most common type of monitor is a(n) __.
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liquid crystal display (LCD)
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Inkjet printers and laser printers are examples of __ printers.
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nonimpact
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__ printers either melt a wax based ink on regular paper or by burning dots on specially coated paper.
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Thermal
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The __ contains the central electronic components of the computer.
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motherboard
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A __ enables your computer to connect to other computers or to the Internet.
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network interface card (NIC)
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Ram is a __ storage location.
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volatile
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The area that holds all the startup instructions the computer needs to start is the __.
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ROM
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A __ CPU has two processing paths, allowing it to process more than one instruction at a time.
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dual-core
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Dropbox is an example of __.
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cloud storage
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A kilobyte is exactly __ bytes.
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1024
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A desktop computer's __ is the case that houses the power source and all storage device of the computer.
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system unit
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An __ microphone picks up sounds coming from all directions at once and is well suited for conference calls.
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omnidirectional
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The width-to-height proportion of a monitor is known as the __.
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aspect ratio
