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60 terms

Final Exam True/False

STUDY
PLAY
False
To discard an old computer safely, put it in a landfill
False
On a typical notebook computer, the monitor is top of the system unit, and the keyboard attaches to the system unit with hinges
True
All IT applications should have readily available documented procedures
True
Finance software usually includes a variety of online services
True
One of the major reasons business, home, and other users purchase computers is for Internet access
False
The two most commonly used search tools are subject directories and keywords
False
An entertainment Web site contains content that describes a cause, opinion, or idea
False
As a use receives an e-mail message, an incoming mail server-operated by the user's Internet access provider-sends messages directly to the user's computer
False
Computers cannot get a virus through e-mail
True
When colors are used for characters in a word processing document, they will print as black or gray unless users have a color printer
True
Home design/landscaping software includes hundreds of predrawn plans that users can customize to meet their needs
false
utility programs are considered application software because they assist a user with performing business activities
true
most processors have built-in instructions to improve the performance of multimedia and 3-D graphics
false
most personal computers and servers use Unicode
false
when the computer's power is turned off, volatile memory does not lose its contents
false
computer with a larger word size can process less data in the same amount of time than computer with a smaller word size
true
desktop computer keyboards typically have from 101 to 105 keys
false
the wireless technology used fora wireless mouse is very different from that of a wireless keyboard
true
as a user moves a mouse, the pointer on the screen also moves
true
the function of the mouse buttons and the wheel varies depending on the program
true
digital pens that have built-in digital cameras work differently from pressure-sensitive digital pens
true
while many digital cameras look like a traditional camera, some models are built in smart phones and other personal mobile devices
false
for multiple colors and shades of gray, each pixel in a digital camera requires less than one bit of data
true
With a test, an OMR device first scans the answer key to record correct answers based on patterns of light, then scans the remaining documents and matches their patterns of light against the answer key sheet
true
today, all broadcast stations must transmit digital signals, as mandated by the FCC
true
Multifunction peripherals require less space than having separate devices
true
because LCD projectors tend to produce lower-quality images, users often prefer DLP projectors for their sharper, brighter images
false
a digital light processing projector, which uses liquid crystal display technology, attaches directly to a computer, and uses its own light source to display the information shown on the computer on the screen
true
in addition to games, joysticks, wheels, and game pads that include force feedback are used in practical applications such as in the military and aviation
false
because audio CDs and CD-ROMs use different laser technologies, a CD-ROM drive cannot be used to listen to an audio CD while working on the computer
false
each part of a CD-R can be written on multiple times, and the disc's contents can be erased
false
although the size and the shape of CD-ROM and DVD-ROM are different, a DVD-ROM stores data, instructions, and information in exactly the same manner and thus achieves the same storage capacity
true
Some personal computers have external tape units
true
to meet their large-scale needs, enterprises use special hardware geared for heavy use
false
Home users are the primary users of Web services
false
although it can connect a larger number of computers, a client/server network typically provides an efficient means to connect 10 or fewer computers
false
to help reduce copyright infringement, today's music-sharing services are free, and music files are made public as they travel across the Internet
false
Data transmitted on a ring network like the one shown in Figure 9-4 travels from device to device around the entire ring, in both directions
false
the quality and consistency of the connection on a dedicated line are worse than a dial-up line because dedicated lines provide a temporary connection
false
a digital signal consists of a continuous electrical wave
false
cable modems currently transfer data at speeds that are much slower than either a dial-up modem or ISDN
false
for any home user, the hardware and software of an Ethernet network is easy to configure
true
infrared is a wireless transmission medium that sends signals using infrared light waves
false
an employee using an organization's computer to track his or her child's soccer league scores is an example of unauthorized access
true
the best preventive measures against hardware theft and vandalism are common sense and a constant awareness of the risk
true
some security systems for notebook computers shut down the computer and sound an alarm if the computer moves outside a specified distance
true
a corrupt individual stealing credit card numbers to make fraudulent purchases is an example of information theft
true
most organizations use available software for encyrption
false
under-voltages can cause equipment damage, but generally do not cause data loss
true
a surge protector absorbs small over voltages- generally without damage to the computer or equipment
true
typically, the amount of protection offered by a surge protector is inversely proportional to its cost; that is, the more expensive, the more protection the protector offers
true
In order to safeguard personal information, you should not reply to messages like those shown in Figure 11-1 for any reason
true
online shopping sites generally use a session cookie to keep track of items in a user's shopping cart
false
phishing is an unsolicited e-mail message or newsgroup posting sent to many recipients or newsgroups at once
false
the U.S. Department of Labor's Bureau of Labor Statistics reports that less than 10 percent of the fastest growing occupations are in computer-related fields
false
the software industry is modest, with annual sales around $6 million
false
It is illegal for employers to use software programs that monitor employees
false
to ensure coursework will transfer, students should ask an adviser if the trade school has a certification agreement with a college or university
true
Vendor-sponsored certification like the one detailed in Figure 15-5 offer many special benefits as incentives
false
Intranet certifications are easy and require no technical expertise in networking hardware or configuration before enrollment in a training program