Final Quiz 1
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A data file contains instructions for a computer on how to perform a specific task.
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True
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An ergonomic keyboard is one that has been designed to fit the ntural placement of your hands
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True
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An external peripheral device must have a cable that connects it to the computer
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False
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Any USB device can use any USB port, and for most devices power is supplied via the port so there is no need for extra power cable.
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True
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Flash memory is similar to ROM except that it can be written to more than once.
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True
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The five essential components of data communications are a sender, a receiver, a channel, a protocol, and a medium.
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False
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The Internet is the largest newtork in the world.
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True
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A firewall can be either hardwae or software.
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True
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Operating environments, provide a textual user (TUI) that acts as a liaison between the user and all of the computer's hardware and software.
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False
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_____ is/are the intangible components of a computer system.
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Software
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_____ are instructions to a computer on how to process data.
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Commands
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The ___ is mounted on the motherboard and is responsible for executing instructons to process data.
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CPU
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____ are removable circuit boards that are inserted into slots on the motherboard to expand the capabilities of the motherboard.
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Cards
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Monitors are divided into a matrix of samll dots called.
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Pixels
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An inkjet printer's speed is measured in
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ppm
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For most USB devices, power is supplied via
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the port
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A computer interprets every signal as either "or" or "off" using numbers known as
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binary digits
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Because a computer can access _____ memory more quickly than RAM, frequently and recently accessed data and commands are stored there instead of in RAM
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cache
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____ is the set of instructions tht tells a computer to initialize the motherboard, how to recognize devices connected to the coomputer, and to start the boot process.
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BIOS
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A(n) _____ file contains the instructions that tell a computer how to perform a specific task.
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executable
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A ______ connects devices on a network so all the devices can access network components.
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router
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The Internet is the largest example of a
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WAN
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____ is a program that tracks a computer user's Internet usage and sends this data back to the company or person who created it, without the user's knowledge.
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Spyware
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A(n) ___ is like a locked door on your computer.
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firewall
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Sending an e-mail message to custumers or potential or potential customers of a legitimate website asking them to click a link that leads to a spoofed site is known as
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phishing
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Software can be divided into two major categories
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system and application
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____ is a computer's ability to start and run more than one program at a time
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Multitasking
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____ means that data, applications, and even resources are stored on servers accessed over the Internet rather than on users' computers.
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cloud computing
