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 6, Problem 31SG
Explanation of Solution
Port options for computers and mobile devices:
The port options that are needed for computers and mobile devices are as follows:
- Displays:
- There are four port options that are needed to connect the computer and mobile devices to display devices such as monitor and projector.
- The four ports are Digital Visual Interface port (DVI), Video Graphics Array (VGA) port, High Definition Multimedia Interface port (HDMI), and DisplayPort.
- Networking:
- Ethernet port is used to connect the computer and mobile devices to a wired network...
Explanation of Solution
Functions of each port options:
Port functions of displays: The four port options that are needed for displays are as follows:
- DVI port:
- Full form of DVI is Digital Visual Interface.
- It is a video display interface.
- This port is used for transmitting digital video content to display devices.
- Common display devices are computer monitors and projectors.
- VGA port:
- Full form of VGA is Video Graphics Array.
- This port is used to transmit only a video signal from a device to a display.
- HDMI port:
- Full form of HDMI is High Definition Multimedia Interface.
- This port is the interface standard.
- This port is used to transmit both digital video and audio signals from a device to a display.
- Display port:
- It is a digital display interface.
- It is mainly used to connect a video source to a display device such as a computer monitor.
- It is also able to carry audio signal and other forms of data.
Port functions of networking: Ethernet port is needed for networking that is for a wired
- Functions of Ethernet port:
- It is also called local area network (LAN) port or network connection, or network port...
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 6 Solutions
Discovering Computers ©2018: Digital Technology, Data, and Devices
Ch. 6 - Prob. 1SGCh. 6 - Prob. 2SGCh. 6 - Prob. 3SGCh. 6 - Prob. 4SGCh. 6 - Prob. 5SGCh. 6 - Prob. 6SGCh. 6 - Prob. 7SGCh. 6 - Prob. 8SGCh. 6 - Prob. 9SGCh. 6 - Prob. 10SG
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