____ is an applied science devoted to incorporating comfort, efficiency, and safety into the design of items in the workplace.

____ is an applied science devoted to incorporating comfort, efficiency, and safety into the design of items in the workplace.

a. Ergonomics
b. CVS
c. Economics
d. RSI

Answer: A

People suffering from ____ feel distressed when deprived of technology, even for a short length of time, or feel overwhelmed with the amount of technology they are required to manage.

People suffering from ____ feel distressed when deprived of technology, even for a short length of time, or feel overwhelmed with the amount of technology they are required to manage.

a. computer vision syndrome
b. technology overload
c. carpal tunnel syndrome
d. repetitive strain

Answer: B

____ is a technology-related health condition that affects eyesight.

____ is a technology-related health condition that affects eyesight.

a. UPS
b. CVS
c. USB
d. RSI

Answer: B

A(n) ____ is an injury or disorder of the muscles, nerves, tendons, ligaments, and joints.

A(n) ____ is an injury or disorder of the muscles, nerves, tendons, ligaments, and joints.

a. RSI
b. CVS
c. USB
d. UPS

Answer: A

Airline reservation systems, communications networks, and ATMs use ____ computers, which have duplicate components so that they can continue to operate when one of its main components fail.

Airline reservation systems, communications networks, and ATMs use ____ computers, which have duplicate components so that they can continue to operate when one of its main components fail.

a. fault-tolerant
b. Joule-rated
c. uninterruptable
d. surge-protected

Answer: A

A(n) _______ is a device that contains surge protection circuits and one or more batteries that can provide power during a temporary or permanent loss of power.

A(n) _______ is a device that contains surge protection circuits and one or more batteries that can provide power during a temporary or permanent loss of power.

a. UPS cord
b. surge protector
c. USB hub
d. port replicator

Answer: A

To protect against electrical power variations, use a ____.

To protect against electrical power variations, use a ____.

a. surge protector
b. USB
c. convertible hub
d. port replicator

Answer: A

A momentary overvoltage, called a ____, occurs when the increase in power lasts for less than one millisecond.

A momentary overvoltage, called a ____, occurs when the increase in power lasts for less than one millisecond.

a. splash
b. surge
c. strike
d. spike

Answer: D

A _______ is a complete power failure.

A _______ is a complete power failure.

a. brownout
b. power surge
c. blackout
d. whiteout

Answer: C

A(n) ____ occurs when the electrical supply or voltage drops, often defined as more than five percent, below the normal volts.

A(n) ____ occurs when the electrical supply or voltage drops, often defined as more than five percent, below the normal volts.

a. undervoltage
b. overvoltage
c. spike
d. power surge

Answer: A

Examples of ____ devices include smartphones, digital cameras, computers, televisions, and terminals.

Examples of ____ devices include smartphones, digital cameras, computers, televisions, and terminals.

a. NFC-enabled
b. PNG-formatted
c. PDF-compatible
d. backward compatible

Answer: A

______ is the process of initiating contact between two Bluetooth devices and allowing them to communicate with each other.

______ is the process of initiating contact between two Bluetooth devices and allowing them to communicate with each other.

a. Pairing
b. Virtualization
c. Streaming
d. Converging

Answer: A

A USB _______ is a device that plugs in a USB port on the computer or mobile device and contains multiple USB ports, into which you plug cables from USB devices.

A USB _______ is a device that plugs in a USB port on the computer or mobile device and contains multiple USB ports, into which you plug cables from USB devices.

a. link
b. center
c. hub
d. farm

Answer: C

Newer USB versions are ____, which means they support older USB devices as well as newer ones.

Newer USB versions are ____, which means they support older USB devices as well as newer ones.

a. download enabled
b. converging
c. version protected
d. backward compatible

Answer: D

Devices that connect to a ____ include the following: card reader, digital camera, external hard drive, modem, mouse, optical disc drive, printer, scanner, smartphone, speakers, USB flash drive, and webcam.

Devices that connect to a ____ include the following: card reader, digital camera, external hard drive, modem, mouse, optical disc drive, printer, scanner, smartphone, speakers, USB flash drive, and webcam.

a. mainframe
b. USB port
c. server farm
d. thin client

Answer: B

A ____ is used to join a cable to a port.

A ____ is used to join a cable to a port.

a. jack
b. spike
c. hub
d. connector

Answer: D

Instead of the term, port, the term, ____, sometimes is used to identify audio and video ports.

Instead of the term, port, the term, ____, sometimes is used to identify audio and video ports.

a. spike
b. bud
c. jack
d. hub

Answer: C

Computers and mobile devices connect to peripheral devices through ____ or by using wireless technologies.

Computers and mobile devices connect to peripheral devices through ____ or by using wireless technologies.

a. ports
b. spikes
c. readers
d. modems

Answer: A

The general price range for a supercomputer is ____.

The general price range for a supercomputer is ____.

a. several hundred dollars or less
b. half a million to several billion dollars
c. several hundred to several million dollars
d. several hundred to several thousand dollars

Answer: B

A(n) ____ is a special-purpose computer that functions as a component in a larger product.

A(n) ____ is a special-purpose computer that functions as a component in a larger product.

a. mainframe
b. supercomputer
c. embedded computer
d. workstation

Answer: C