Name:
Class:
Date:
DC Chapter 03: Computers and Mobile Devices
97. You have just designed a device-tracking app for sale in the app marketplace. Which of the following are you least
likely to use in your app?
a.
GPS
b.
Wi–Fi
c.
UNIX
d.
IP addresses
c
134
VERR.DICO.15.9 – 9
98. Last night, you experienced a power increase that lasted for less than one thousandth of a second. What is the term for
this?
a.
hit
b.
joule
c.
spike
d.
juice
c
135
VERR.DICO.15.9 – 9
99. You have purchased a surge protector and you are happy with it, in part because it has an appropriate Joule rating.
What is that rating?
a.
30
b.
60
c.
300
d.
600
136
VERR.DICO.15.9 – 9
100. Your electric service has been failing with some frequency lately because of a lot of storms, and you are looking for
more peace of mind when it comes to a reliable power source for your computer. Which of the following could help?
a.
GPS
b.
Wi–Fi
c.
UPS
d.
server virtualization
c
136
VERR.DICO.15.9 – 9
101. Malware authors rarely focus on social media because it is so difficult to get personal information via that channel.
a.
True
b.
False
False
106
VERR.DICO.15.1 – 1
Name:
Class:
Date:
DC Chapter 03: Computers and Mobile Devices
102. Peripheral devices usually occupy space inside a system unit.
a.
True
b.
False
False
107
103. The trend is toward larger desktop tower form factors.
a.
True
b.
False
False
107
104. Some users configure a desktop to function as a server on a network.
a.
True
b.
False
True
107
105. You should always try to purchase the least powerful desktop available as a means of getting the best bargain.
a.
True
b.
False
False
108
106. All-in-one desktops are usually more expensive than purchasing a system unit and monitor separately.
a.
True
b.
False
False
108
107. Most extended warranties cover the repair and replacement of computer components beyond the standard warranty.
a.
True
b.
False
Name:
Class:
Date:
DC Chapter 03: Computers and Mobile Devices
True
108
108. Netbooks weigh more than traditional laptops, like the kind shown in the accompanying figure.
a.
True
b.
False
False
109
109. While ultrathin laptops like the kind shown in the accompanying figure are adequate for everyday computing tasks,
you would want to use a netbook to complete processor-intensive tasks.
a.
True
b.
False
False
109
110. Batteries in a laptop, like the kind shown in the accompanying figure, typically last longer than those in a tablet.
a.
True
b.
False
False
109
Name:
Class:
Date:
DC Chapter 03: Computers and Mobile Devices
111. A mobile console is a device that combines features of a smartphone with a tablet, like the one shown in the
accompanying figure.
a.
True
b.
False
False
110
112. Many handheld computers communicate wirelessly with other devices or computers.
a.
True
b.
False
True
111
113. One advantage of dedicated servers is that they usually do not demand as much memory or storage as other
computers.
a.
True
b.
False
False
112
114. In a blade server, like in a rack server, the chassis is fastened in place to a flat surface.
a.
True
Name:
Class:
Date:
DC Chapter 03: Computers and Mobile Devices
b.
False
True
112
115. Physical servers are easier to manage than virtual servers.
a.
True
b.
False
False
112
116. Cloud computing uses server virtualization.
a.
True
b.
False
True
112
117. The input from a POS terminal serves as output to other computers to maintain sales records, update inventory,
verify credit, and perform other activities associated with sales transactions.
a.
True
b.
False
False
113
118. An ATM is a self-service banking terminal that connects to a host computer through a network.
a.
True
b.
False
True
114
119. Cloud computing allows a company to diversify its network and server infrastructure.
a.
True
b.
False
True
120. Some cloud computing services automatically add more network and server capacity to a company’s website as
demand for services of the website increase.
a.
True
b.
False
True
116
121. A large amount of e-waste ends up polluting developing countries, who accept the materials for profit.
a.
True
b.
False
True
117
122. Unlike answering machines, a computer in a voice mail system converts an analog voice message into digital form.
a.
True
b.
False
True
119
123. Most computers and electronic devices are analog, which use continuous signals.
a.
True
b.
False
False
119
124. Human speech is digital.
a.
True
b.
False
False
119
116
Name:
Class:
Date:
DC Chapter 03: Computers and Mobile Devices
125. One common method of thwarting a smartphone thief is not to use the phone to check the time.
a.
True
b.
False
True
119
126. Point-and-shoot cameras are much heavier and larger than SLR cameras.
a.
True
b.
False
False
120
127. Features typically not found in cameras built into mobile phones include optical zoom, additional lenses, and scene
modes.
a.
True
b.
False
122
128. At a higher resolution, you can capture and store more images in your digital camera.
a.
True
b.
False
False
122
129. Some users of e-books prefer the electronic paper black-and-white screen over the models with color screens because
the electronic paper resembles a paper page from a book.
a.
True
b.
False
True
124
Name:
Class:
Date:
DC Chapter 03: Computers and Mobile Devices
130. E-books have no wear and tear.
a.
True
b.
False
124
131. E-book readers are usually larger than tablets.
a.
True
b.
False
False
124
132. Many game console models include internal disk drives or memory to store games and other media.
a.
True
b.
False
True
125
133. Some handheld game device models are Internet capable for downloading games and apps.
a.
True
b.
False
True
125
134. A joystick is a handheld vertical lever, mounted on a base, that you move in different directions to control the actions
of the simulated vehicle or player.
a.
True
b.
False
True
126
135. Teen drivers statistically are more susceptible to being distracted while driving.
a.
True
b.
False
Name:
Class:
Date:
DC Chapter 03: Computers and Mobile Devices
True
127
136. The distinction among categories of computers is always very clear.
a.
True
b.
False
False
128
137. Newer versions of USB can charge connected mobile devices even when the computer is not in use.
a.
True
b.
False
True
131
138. Port replicators sometimes disable ports on the mobile computer to prevent conflicts among the devices on the
computer and port replicator.
a.
True
b.
False
True
131
139. A port replicator is similar to a docking station, but it has more functionality.
a.
True
b.
False
False
132
140. Docking stations may include slots for memory cards, optical disc drives, and other devices.
a.
True
b.
False
True
Name:
Class:
Date:
DC Chapter 03: Computers and Mobile Devices
141. Mobile users are susceptible to hardware theft because the size and weight of their computers and devices make them
easy to steal.
a.
True
b.
False
True
134
142. A brownout is a complete power failure.
a.
True
b.
False
False
135
143. A UPS connects your computer and a power source.
a.
True
b.
False
True
135
144. CTS is inflammation of a tendon due to repeated motion or stress on that tendon.
a.
True
b.
False
False
136
145. Tendonitis is inflammation of the nerve that connects the forearm to the palm of the wrist.
a.
True
b.
False
False
136
132
Name:
Class:
Date:
DC Chapter 03: Computers and Mobile Devices
146. Eyestrain associated with CVS is not thought to have serious or long-term consequences.
a.
True
b.
False
137
147. Lower back pain sometimes is caused from poor posture.
a.
True
b.
False
True
137
148. Ergonomic studies have shown that using the correct type and configuration of chair, keyboard, display device, and
work surface helps users work comfortably and efficiently and helps protect their health.
a.
True
b.
False
True
138
149. People suffering from technology overload feel distressed when deprived of technology, even for a short length of
time.
a.
True
b.
False
True
138
150. One symptom of technology addiction is the inability to stop using technology.
a.
True
b.
False
True
138
151. Many desktops have a(n) ____________________ tower that is a separate device from a monitor.