Discovering Computers ©2018: Digital Technology, Data, and Devices
1st Edition
ISBN: 9781337285100
Author: Misty E. Vermaat, Susan L. Sebok, Steven M. Freund, Jennifer T. Campbell, Mark Frydenberg
Publisher: Cengage Learning
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Expert Solution & Answer
Chapter 5, Problem 1IR
Explanation of Solution
a)
Websites:
The news websites taken into consideration are “bbc” and “nbcnews”.
Information format:
- In addition to textual descriptions, news information is provided in the form of videos, links, images, and animation.
- Other information formats often prove to attract the website visitors than the text contents.
- They often increase the visitors comprehension.
Better analysis:
- The coverage story of “bbc” offers a better analysis.
- The site provides exclusive video coverage of the story.
- It also provides expert articles, their videos on the story for better understanding.
Easy navigation:
The “bbc” source is easy to navigate and read and this is because the menu structure of the website is great.
Knowledge gained from the international news story:
- The news offers a unique perspective on the environmental threats that the world is facing...
Explanation of Solution
b)
Information details that supplements the forecast conditions:
- Weather website taken into consideration is “Accuweather”.
- The city taken into consideration is “New York, United States”.
- Forecast condition: heavy thunderstorms and downpour...
Explanation of Solution
c)
Sport website:
- The sport website taken into consideration is “espncricinfo”.
- The first story reported is about “Cricket world cup”.
- The story provide complete summary of the cricket world cup.
Coverage of the story:
- Complete summary of the cricket world cup.
- Aftermath of the cricket world cup.
- About what people loved and disappointed in the world cup.
Sources quoted:
- “ESPNcricinfo.com” staff sources were primarily quoted in the story.
- International Cricket Council (ICC) sources were also quoted in the story...
Expert Solution & Answer
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Students have asked these similar questions
1.[30 pts] Computers generate color pictures on a video screen or liquid crystal display by
mixing three different colors of light: red, green, and blue. Imagine a simple scheme, with
three different lights, each of which can be turned on or off, projecting onto a glass screen:
We can create eight different colors based on the absence (0) or presence (1) of light
sources R,G and B:
R
G
B
Color
0
0
0
Black
0
0
1
Blue
0
1
0
Green
0
1
1
Cyan
1
0
0
Red
1
0
1
Magenta
1
1
1
0
Yellow
1
White
1
Each of these colors can be represented as a bit vector of length 3, and we can apply
Boolean operations to them.
a. The complement of a color is formed by turning off the lights that are on and turning
on the lights that are off. What would be the complement of each of the eight colors
listed above?
b. Describe the effect of applying Boolean operations on the following colors:
Λ
1. Red(100) ^ Magenta(101)= Blue(001)
2. Bue(001) | Green(010)=
3. Yellow(100) & Cyan(011)=
2.[30 pts] Perform the following…
D. S. Malik, Data Structures Using C++, 2nd Edition, 2010
Methods (Ch6) - Review
1. (The MyRoot method) Below is a manual implementation of the Math.sqrt() method in Java.
There are two methods, method #1 which calculates the square root for positive integers, and
method #2, which calculates the square root of positive doubles (also works for integers).
public class SquareRoot {
public static void main(String[] args) {
}
// implement a loop of your choice here
// Method that calculates the square root of integer variables
public static double myRoot(int number) {
double root;
root=number/2;
double root old;
do {
root old root;
root (root_old+number/root_old)/2;
} while (Math.abs(root_old-root)>1.8E-6);
return root;
}
// Method that calculates the square root of double variables
public static double myRoot(double number) {
double root;
root number/2;
double root_old;
do {
root old root;
root (root_old+number/root_old)/2;
while (Math.abs (root_old-root)>1.0E-6);
return root;
}
}
Program-it-Yourself: In the main method, create a program that…
Chapter 5 Solutions
Discovering Computers ©2018: Digital Technology, Data, and Devices
Ch. 5 - Prob. 1SGCh. 5 - Prob. 2SGCh. 5 - Prob. 3SGCh. 5 - Prob. 4SGCh. 5 - Prob. 5SGCh. 5 - Prob. 6SGCh. 5 - Prob. 7SGCh. 5 - Prob. 8SGCh. 5 - Prob. 9SGCh. 5 - Prob. 10SG
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