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MIS Chapter 1
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Terms in this set (14)
Which of the following is true of using information?
To use it, you need knowledge
Shawna is concerned about how much of her private information is available on the Internet.
What is one step Shawna can take to maintain her privacy online?
Choose Web sites that are monitored by independent organizations.
Which of the following is true of Big Data?
It is a megatrend of the Information Age.
Which of the following is known as the third IT megatrend?
The Internet of Things
Which of the following ethical issues has become a greater concern because of the rise of the Internet?
Protection of Personal Privacy
__________ refers to the hardware, software, and network components of an information system.
Information Technology
Which of the following is a result of the post-PC era?
New ways of working and socializing
Telecommunications networks __________
allow computers to share information and services
Which of the following is true of the advantage of using information technology?
The competitive advantage of using new technologies generally has a fleeting effect.
Information is best described as ______________.
a representation of reality
Which area of competency is considered the most difficult for the IS professional to maintain?
technical
Which of the following is an ethically acceptable use of intellectual property?
Copying your digital music library to a new MP3 player
Which of the following describes the extent to which access to information technology is not equal among people in the United States?
In particular, people in rural communities, the elderly, people with disabilities, and minorities lag behind national averages for Internet access and computer literacy.
In order to use information, you need __________.
knowledge
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Verified questions
ENGINEERING
Consider two rectangular surfaces perpendicular to each other with a common edge which is 1.6 m long. The horizontal surface is 0.8 m wide and the vertical surface is 1.2 m high. The horizontal surface has an emissivity of 0.75 and is maintained at 400 K. The vertical surface is black and is maintained at 550 K. The back sides of the surfaces are insulated. The surrounding surfaces are at 290 K, and can be considered to have an emissivity of 0.85. Determine the net rate of radiation heat transfers between the two surfaces, and between the horizontal surface and the surroundings.
ENGINEERING
An incandescent lightbulb is an inexpensive but highly inefficient device that converts electrical energy into light. It converts about 10 percent of the electrical energy it consumes into light while converting the remaining 90 percent into heat. The glass bulb of the lamp heats up very quickly as a result of absorbing all that heat and dissipating it to the surroundings by convection and radiation. Consider an 8-cm-diameter 60-W lightbulb in a room at $25^\circ C.$ The emissivity of the glass is 0.9. Assuming that 10 percent of the energy passes through the glass bulb as light with negligible absorption and the rest of the energy is absorbed and dissipated by the bulb itself by natural convection and radiation, determine the equilibrium temperature of the glass bulb. Assume the interior surfaces of the room to be at room temperature.
ENGINEERING
The angular velocity of link AB is $\omega_{A B}=5$ rad/s . Determine the velocity of block C and the angular velocity of link BC at the instant $\theta=45^{\circ}$ and $\phi=30^{\circ} .$ Also, sketch the position of link CB when $\theta=45^{\circ}, 60^{\circ},$ and $75^{\circ}$ to show its general plane motion.
ENGINEERING
a. Describe in your own words how the construction of the hot-carrier diode is significantly different from the conventional semiconductor diode. b. In addition, describe its mode of operation.
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