Answer:
Java Socket programming is used for communication between the applications running on different JRE.
Java Socket programming can be connection-oriented or connection-less.
Socket and ServerSocket classes are used for connection-oriented socket programming and DatagramSocket and DatagramPacket classes are used for connection-less socket programming.
The client in socket programming must know two information:
IP Address of Server, and
Port number.
Here, we are going to make one-way client and server communication. In this application, client sends a message to the server, server reads the message and prints it. Here, two classes are being used: Socket and ServerSocket. The Socket class is used to communicate client and server. Through this class, we can read and write message. The ServerSocket class is used at server-side. The accept() method of ServerSocket class blocks the console until the client is connected. After the successful connection of client, it returns the instance of Socket at server-side.
Explanation:
Creating Client:
import java.io.*;
import java.net.*;
public class MyServer {
public static void main(String[] args){
try{
ServerSocket ss=new ServerSocket(6666);
Socket s=ss.accept();//establishes connection.
DataInputStream dis=new DataInputStream(s.getInputStream());
2. Which property is used for hiding text of the textbox?
a) Password Char b) Text Char c) Char Password d) Pass Char
Answer:
password char
Explanation:
The password char property allows the text being written in the textbox to be hidden in the form of dots or stars. As such the user entering the password is secure, as no one nearby can know the password by watching the texts.
Create union floatingPoint with members float f, double d and long double x. Write a program that inputs values of type float, double and long double and stores the values in union variables of type union floatingPoint. Each union variable should be printed as a float, a double and a long double. Do the values always print correcly? Note The long double result will vary depending on the system (Windows, Linux, MAC) you use. So do not be concern if you are not getting the correct answer. Input must be same for all cases for comparison Enter data for type float:234.567 Breakdown of the element in the union float 234.567001 double 0.00000O long double 0.G0OO00 Breaklo n 1n heX float e000000O double 436a9127 long double 22fde0 Enter data for type double :234.567 Breakdown of the element in the union float -788598326743269380.00OGOO double 234.567000 long double 0.G00000 Breakolon 1n heX float 0 double dd2f1aa0 long double 22fde0 Enter data for type long double:
Answer:
Here the code is given as follows,
#include <stdio.h>
#include <stdlib.h>
union floatingPoint {
float floatNum;
double doubleNum;
long double longDoubleNum;
};
int main() {
union floatingPoint f;
printf("Enter data for type float: ");
scanf("%f", &f.floatNum);
printf("\nfloat %f ", f.floatNum);
printf("\ndouble %f ", f.doubleNum);
printf("\nlong double %Lf ", f.longDoubleNum);
printf("\n\nBreakdown in Hex");
printf("\nfloat in hex %x ", f.floatNum);
printf("\ndouble in hex %x ", f.doubleNum);
printf("\nlong double in hex %Lx ", f.longDoubleNum);
printf("\n\nEnter data for type double: ");
scanf("%lf", &f.doubleNum);
printf("float %f ", f.floatNum);
printf("\ndouble %f ", f.doubleNum);
printf("\nlong double %Lf ", f.longDoubleNum);
printf("\n\nBreakdown in Hex");
printf("\nfloat in hex %x ", f.floatNum);
printf("\ndouble in hex %x ", f.doubleNum);
printf("\nlong double in hex %Lx ", f.longDoubleNum);
printf("\n\nEnter data for type long double: ");
scanf("%Lf", &f.longDoubleNum);
printf("float %f ", f.floatNum);
printf("\ndouble %f ", f.doubleNum);
printf("\nlong double %Lf ", f.longDoubleNum);
printf("\n\nBreakdown in Hex");
printf("\nfloat in hex %x ", f.floatNum);
printf("\ndouble in hex %x ", f.doubleNum);
printf("\nlong double in hex %Lx ", f.longDoubleNum);
return 0;
}
Programming languages categorize data into different types. Identify the characteristics that match each of the following data types.
a. Can store fractions and numbers with decimal positions
b. Is limited to values that are either true or false (represented internally as one and zero).
c. Is limited to whole numbers (counting numbers 1, 2, 3, ...)
Answer:
a) Integer data type.
b) Real data type.
c) Boolean data type.
Explanation:
a) Integer data type is limited to whole numbers (counting numbers 1, 2, 3…….).
b) Real data type can store fractions and numbers with decimal positions (such as dollar values like $10.95).
c) Boolean data type is limited to values that are either true or false (represented internally as 1 and 0 respectively).
1. Open the start file EX2019-ChallengeYourself-9-3. The file will be renamed automatically to include your name. Change the project file name if directed to do so by your instructor, and save it.
2. If the workbook opens in Protected View, click the Enable Editing button in the Message Bar at the top of the workbook so you can modify the workbook.
3. Use Consolidate to create a summary of real estate sales for all property types. Place the consolidated data on the Summary worksheet in cells B3: C15. Use the Average function to consolidate the data from cells B2: C14 in the Condo, Townhouse, and Single Family worksheets. Include links to the source data.
4. Import individual sales data from the tab-delimited text file Select Sales Data 2019-2020. Import the data as a table in cell A1 of the Select Sales worksheet.
5. Remove the data connection when the import is complete.
6. In the Select Sales worksheet, add data validation to restrict values in the House Type columns (cells B2: B139) to the values in the cell range named PropertyTypes. Include a drop-down list of values in the cells to assist in data correction.
7. Add the following input message to cells B2:B139: Select a property type from the list.
8. Add the following error alert to cells B2:B139: Not a valid property type.
9. Apply data validation circles to any values that violate the data validation rules you just created.
10. Add a comment to cell B1 in the Select Sales worksheet that reads: This needs to be fixed.
11. Add a hyperlink from cell B1 in the Select Sales worksheet to link to the named range (defined name) PropertyTypes. Test the link.
12. Use Flash Fill to add a new column of data to the Select Sales worksheet to display the number of bedrooms/the number of bathrooms.
a. In the Select Sales worksheet, cell F1, type the heading: BR/BA
b. Complete the column of data using this pattern in cell F2: 1 BR/1 BA
You will need to enter at least two samples in order for Flash Fill to suggest the correct autofill data. Check your work carefully.
Sales Summary 2019-2020
Number of Sales Average Selling Price
1
2
3 One BR, One BA
4 One BR, Two BA +
5 Two BR, One BA
6 Two BR, Two BA
7 Two BR, Two BA +
8 Three BR, One BA
9 Three BR, Two BA
10 Three BR, Three BA +
11 Four BR, One BA
12 Four BR, Two BA
13 Four BR, Three BA+
14 Five BR-. One BA
15 Five BR+ Two BA+
16
17
18
19
20
21
22
23
24
Answer:
Omg what is this
soooo long questionn
i am fainted
what rubbish you written how long the question is of which subject
what's your name
please help!....................
Answer:
Based on what the graph does on the number line, I would say 1100110
Every time the graph spikes up, that is a one, otherwise it is a zero.
Explanation:
Difference between hardcopy and hardware
why am i doing the investigation
what is tha length of Mac address ?
Answer:
short length which includes all details about the addres
Definition of my computer
Answer:
a programmable electronic device designed to accept data
Explanation:
a programmable electronic device designed to accept data
List any four strategies of IT Policy?
Answer:
News skill and qualifications
What values are in the vector named pressures after the following code is executed? vector pressures; pressures.push_back(32.4); pressures.push_back(33.5); pressures.insert(pressures.begin(), 34.2); int index = 2; pressures.insert(pressures.begin() + index, 31.8); pressures.push_back(33.3); index = 1; pressures.erase(pressures.begin() + index); a. 34.2, 31.8, 33.3 b. 34.2, 33.5, 31.8, 33.3 c. 34.2, 33.5, 33.3 d. 34.2, 31.8, 33.5, 33.3
Answer:
Hence the correct option is A that is "34.2 31.8 33.5 33.3".
Explanation:
Program:-
#include <iostream>
#include<vector>
using namespace std;
int main()
{
int count =0;
vector<double> pressures;
pressures.push_back(32.4);
pressures.push_back(33.5);
pressures.insert(pressures.begin(), 34.2);
int index = 2;
pressures.insert(pressures.begin() + index, 31.8);
pressures.push_back(33.3);
index = 1;
pressures.erase(pressures.begin() + index);
for (auto it = pressures.begin(); it != pressures.end(); ++it)
cout << ' ' << *it;
return 0;
}
what was the main purpose of napiers bone?
Answer:
Napier's bones is a manually-operated calculating device created by John Napier of Merchiston, Scotland for the calculation of products and quotients of numbers. The method was based on lattice multiplication, and also called 'rabdology', a word invented by Napier.
Answer:
The main purpose of napiers bone is to fine products and quotient of divisions.
Which of the following acronyms refers to a network or host based monitoring system designed to automatically alert administrators of known or suspected unauthorized activity?
A. IDS
B. AES
C. TPM
D. EFS
Answer:
Option A (IDS) is the correct choice.
Explanation:
Whenever questionable or unusual behavior seems to be detected, another alarm is sent out by network security equipment, which would be considered as Intrusion Detection System.SOC analysts as well as occurrence responders can address the nature but instead, develop a plan or take steps that are necessary to resolve it predicated on such notifications.All other three alternatives are not related to the given query. So the above option is correct.
1. Which Property is used for changing the background color of any control
a) Font color b) Back color c) Text color d) color back
'Back Color' is characterized as the CSS property that is employed to modify or alter the background color belonging to any element of control.
B). 'Back Color' is the property that is used for altering the background color.
However, it excludes the margin area of the element and includes the entire size of the element along with the filler. One can select the color of his/her choice in order to promote the readability of the text by contrasting the background color to the text color. Thus, option B is the correct answer.Learn more about 'CSS properties' here:
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College
START: what new information, strategies, or techniques have you learned that will increase your technology skills? Explain why its important to START doing this right away
Answer:
Read Technical Books. To improve your technical skills and knowledge, it's best to read technical books and journals. ...
Browse Online Tutorials. ...
Build-up online profile. ...
Learn new Tools. ...
Implement what you learned. ...
Enrich your skillset. ...
Try-out and Apply.
Create a Python dictionary that returns a list of values for each key. The key can be whatever type you want.
Design the dictionary so that it could be useful for something meaningful to you. Create at least three different items in it. Invent the dictionary yourself. Do not copy the design or items from some other source.
Next consider the invert_dict function.
def invert_dict(d):
inverse = dict()
for key in d:
val = d[key]
if val not in inverse:
inverse[val] = [key]
else:
inverse[val].append(key)
return inverse
Modify this function so that it can invert your dictionary. In particular, the function will need to turn each of the list items into separate keys in the inverted dictionary.
Run your modified invert_dict function on your dictionary. Print the original dictionary and the inverted one.
Describe what is useful about your dictionary. Then describe whether the inverted dictionary is useful or meaningful, and why.
Answer:
Explanation:
# name : [animal type, age, sex]
animal_shellter = {
"Teddy": ["dog",4,"male"],
"Elvis": ["dog",1,"male"],
"Sheyla": ["dog",5,"female"],
"Topic": ["hamster",3,"male"],
"Kuzya": ["cat",10,"male"],
"Misi": ["cat",8,"female"],
}
print(animal_shellter)
print("")
def invert(d):
inverse = dict()
for key in d:
val = d[key]
for item in val:
if item not in inverse:
inverse[item] = [key]
else:
inverse[item].append(key)
return inverse
inverted_shellter = invert(animal_shellter)
print(inverted_shellter)
Discuss the OSI Layer protocols application in Mobile Computing
Answer:
The OSI Model (Open Systems Interconnection Model) is a conceptual framework used to describe the functions of a networking system. The OSI model characterizes computing functions into a universal set of rules and requirements in order to support interoperability between different products and software.
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what are the services offered by web-based email?
Answer:
Web based email is a service that allows to access and use electronic mail via web browser.
It allows clients to login into the email software running on a web server to compose, send and receive, delete mails basically.
The advantage of returning a structure type from a function when compared to returning a fundamental type is that a. the function can return multiple values b. the function can return an object c. the function doesn’t need to include a return statement d. all of the above e. a and b only
Answer:
The advantage of returning a structure type from a function when compared to returning a fundamental type is that
e. a and b only.
Explanation:
One advantage of returning a structure type from a function vis-a-vis returning a fundamental type is that the function can return multiple values. The second advantage is that the function can return can an object. This implies that a function in a structure type can be passed from one function to another.
111+ 11- 1
1111+1111
1101 +1101
1010-11
Answer: 121, 2222, 2202, 999
Explanation:
Answer:
a. 121
b. 2222
c. 2202
c. 999
What can be used to store data, plant viruses, or steal data?
Answer:
ITS A SIMPLE ANSWER BUT THE PROBLEM IS TOO BIG!
Explanation:
The phishing email might contain a link which on clicking will take you to a fake web page. For example, the link might take you to a fake bank website which looks very legitimate but in reality is just a lookalike. If the victim falls for the scam and enters his/her account details on the website, the details will actually go to the hacker's server instead of going to the bank and the hacker will have all the information that the victim has provided on the website.
Write a program that creates an an array large enough to hold 200 test scores between 55 and 99. Use a Random Number to populate the array.Then do the following:1) Sort scores in ascending order.2) List your scores in rows of ten(10) values.3) Calculate the Mean for the distribution.4) Calculate the Variance for the distribution.5) Calculate the Median for the distribution.
Answer:
Explanation:
The following code is written in Python. It uses the numpy import to calculate all of the necessary values as requested in the question and the random import to generate random test scores. Once the array is populated using a for loop with random integers, the array is sorted and the Mean, Variance, and Median are calculated. Finally The sorted array is printed along with all the calculations. The program has been tested and the output can be seen below.
from random import randint
import numpy as np
test_scores = []
for x in range(200):
test_scores.append(randint(55, 99))
sorted_test_scores = sorted(test_scores)
count = 0
print("Scores in Rows of 10: ", end="\n")
for score in sorted_test_scores:
if count < 10:
print(str(score), end= " ")
count += 1
else:
print('\n' + str(score), end= " ")
count = 1
mean = np.mean(sorted_test_scores)
variance = np.var(sorted_test_scores, dtype = np.float64)
median = np.median(sorted_test_scores)
print("\n")
print("Mean: " + str(mean), end="\n")
print("Variance: " + str(variance), end="\n")
print("Median: " + str(median), end="\n")
Consider a short, 90-meter link, over which a sender can transmit at a rate of 420 bits/sec in both directions. Suppose that packets containing data are 320,000 bits long, and packets containing only control (e.g. ACK or handshaking) are 240 bits long. Assume that N parallel connections each get 1/ N of the link bandwidth. Now consider the HTTP protocol, and assume that each downloaded object is 300 Kbit long, and the initial downloaded object contains 6 referenced objects from the same sender.
Required:
Would parallel download via parallel instances of non-persistent HTTP make sense in this case? Now consider persistent HTTP. Doyou expect significant gains over the non-persistent case?
What would be displayed if the “=proper(A1)” function is applied to the cell below?
Which term refers to the use of expressions to check consistency in relation to other fields in the same record?
O data validation
O record validation
O input mask
O validation text
The term validation text refers to the use of expressions to check consistency in relation to other fields in the same record.
What is the use of validation text?The term Validation text is known to be one that helps a user to be able to have a message that can help them to be able to input data that is said to be not valid.
Conclusively, Validations rules is known to aid one in that one can check data for accuracy and consistency in terms of data entry.
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Mario is giving an informative presentation about methods for analyzing big datasets. He starts with the very basics, like what a big dataset is and why researchers would want to analyze them. The problem is that his audience consists primarily of researchers who have worked with big data before, so this information isn’t useful to them. Which key issue mentioned in the textbook did Mario fail to consider?
Answer:
Audience knowledge level
Explanation:
The Key issue that Mario failed to consider when preparing for her presentation is known as Audience knowledge level.
Because Audience knowledge level comprises educating your audience with extensive information about the topic been presented. she actually tried in doing this but she was educating/presenting to the wrong audience ( People who are more knowledgeable than her on the topic ). she should have considered presenting a topic slightly different in order to motivate the audience.
Write a program to compare the content of AX and DX registers, if they are equal store 1 (as 8 bits) in locations with offset addresses (0020H, 0021H, ..., 0040H), otherwise leave these locations without changing.
???
Answer:
so srry I'm very low that this question
2) What are three categories of computer languages? 3) Write four components of a QBASIC window. 4) What are the three types of operators in QBASIC? 5) What is the use of connector symbol in flowchart? 6) What is a computer network? 7) State two uses of Internet. 8) Write three examples for web browser. 9) Name some popular ISPs in Sri Lanka. 10) Differentiate between MAN and PAN.
Answer:
2: assembly language , machine language and high level language
3: a character set , constants , variables , statements , operators and expressions
3. A 3D model of a designed product would be used to communicate the
Answer:
A 55
Explanation:
A 3D model of a designed product would be used to communicate the photorealistic renditions of the product.
What is 3D?It should be noted that 3D modeling is the process if developing a coordinate representation of an object.
In this case, a 3D model of a designed product would be used to communicate the photorealistic renditions of the product.
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You are the IT administrator for a small corporate network. You have recently experienced some problems with devices on the workstation in the Support Office. In this lab, your task is use Device Manager to complete the following:______.
The new network card you installed isn't working as expected (speed is only 1 Mbps). Until you can figure out what the problem is, disable the Broadcom network adapter and enable the Realtek network adapter. To make sure the network adapter has the latest drivers, update the driver for the Realtek network adapter by searching Microsoft Update. You recently updated the driver for your video card. However, the system experiences periodic crashes that you suspect are caused by the new driver. Roll back the driver to a previous version. Move the Ethernet cable to the integrated network port on the motherboard.
Answer:
I will fix it by my mind by thinking
Based on the above scenario, the steps to take is given below\
What is the management about?The first thing is to Right-click Start and click on Device Manager and then you expand Network adapters.
Later you Disable the network adapter and then Update the driver .
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