Which kind of monitor uses a liquid crystal display to produce images on the screen?
A. LCD
B. CRT
C. PDA
D. stylus
Answer: A
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This problem is about detecting anomalous nodes in a sensor network. Using GSPBox, create a 60-node random sensor network and define a signal f on the graph as
where c = 0.1 is a constant and d (i, j) is the distance between nodes i and j (can be found
using Dijkstra’s shortest path algorithm). This signal can be thought of as temperature values
in a geographical area, since the variations in temperature values are not high if the sensors are
placed densely. Now introduce some anomaly in the graph signal by making the temperature
values zero for sensors 18 and 39.
In Problem 12 of Chapter 10, the anomaly can be detected using GFT; however, one could not
locate the anomalous nodes. Use SGWT to find the anomalous nodes from the temperature
data you created. Write down the step-by-step procedure and explain why your procedure
works.
One of the more perplexing problems in collecting digital data concerns so-called volatile information, such as the contents of a ____.
A. CD B. computer's memory C. USB drive D. disk drive
?Which of the following are the advantages of using a distributed database management system (DDBMS)?
A. ?The system is scalable, so new data sites can be added without reworking the system design. B. ?The data stored closer to users can reduce network traffic. C. ?The system is less likely to experience a catastrophic failure when data is stored in various locations. D. ?The data is stored in various locations thereby making it is easy to maintain controls and standards.
You can make adjustments to the default position of an element while preserving the space allotted to the element in the default page flow. This technique is known as ____ positioning.
A. standard B. flexible C. relative D. absolute