Answer:
The negative effects of computer use on the environment There are several effects computer use has on the environment. Not only does it affect the environment but also human health.
Explanation:
First of all, sometimes people (especially in businesses) print unnecessary large amounts of files, emails or things from the internet which wastes paper and harms trees. People who use computers never really turn off the device which wastes electricity that could have been saved and reduce the amount of burning of fossil fuel.
Secondly, computers are made of heavy metals and dangerous chemicals. Heavy metals including Lead, Mercury,Beryllium,Cadmimum, PCV e.t.c
These metals and chemicals contribute to global warming because from these discarded computers it causes water contamination and air pollution.
Computers have negative effects on the environment, as heavy metals like lead and toxic chemicals found in computers contaminate groundwater and the environment.
What are the effects of computer?The harm that using computers causes to the environment The use of computers has a variety of negative environmental effects. It has an impact on both the environment and human health.
First off, printing excessive amounts of files, emails, or other content from the internet can sometimes be done by people (especially in businesses), which wastes paper and puts a strain on the environment. People who use computers rarely turn them off, wasting energy that could have been saved and lowering the amount of fossil fuel burned.
Therefore, due to the contamination of groundwater and the environment by toxic chemicals and heavy metals like lead found in computers, computers have a negative impact on the environment.
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Explain why it is reasonable to assume that receiving 3 duplicate ACKs in TCP is an indication that the network is not currently congested.
Answer:
to indicate if it is the account owner trying to log in
Do you think that using robots at home would be good and helpful?
Answer:
Yes
Explanation:
would use a robot for :organize the bedrooms laundrycleaning cooking etc...The robot I want to use is a robot that can do everything and can be remotely controlled from anywhere. Especially do the boring task while I relax.
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how are natural numbers, whole numbers, integers, and rational numbers related
Most tkinter components, like frames and buttons, have a constructor that accepts __________ as its first argument.
A. the parent component
B. the child component
C. the root window
D. a frame
Which statement regarding Java files is false?
Java imposes no structure on a file.
Notions like “record” do not exist in Java files.
The programmer must structure files to meet the requirements of applications.
Records in a Java sequential file are stored in order by record key.
Answer:
Records in a Java sequential file are stored in order by record key.
Answer:
Records in a Java sequential file are stored in order by record key.
What number in base 2 is equivalent to 823 in base 10
what is a Web application?
Answer:
A web application is a computer program that utilizes web browsers and web technology to perform tasks over the Internet.
Explanation:
Web applications include online forms, shopping carts, word processors, spreadsheets, video and photo editing, file conversion e.t.c.
The process of representing data in digital form so it can be used by a digital computer is called decimal byterepresentation. - true or false
The process of turning data into digital form for use by a digital computer is called 'digitization', not 'decimal byte representation'.
Explanation:As asked here The statement the process of representing data in digital form so it can be used by a digital computer is called decimal byte representation - is false. The term is not 'decimal byte representation'. The correct term for this process is 'digitization'. Digitization is the process of converting information into a digital (i.e., computer-readable) format, where the information is organized into bits. These bits can then be used by digital devices and systems including computers.
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briefly explain what is net neutrality and why is it important today
Net neutrality also means that ISPs can't charge users access fees for particular websites. ... The goal of net neutrality is to ensure that businesses can compete freely on the internet without having to pay gatekeeper tolls. Without it consumers would look more like advertising segments than an open marketplace.
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How are CGI programs different from Servlets?
Both Java servlets and CGI are utilized for generating dynamic web statements that admit a user application, process it on the server side and deliver answers to the user.
Servlets maintain various abilities that are challenging or difficult to achieve with conventional CGI. These abilities incorporate speaking directly to the network server, sending data within various servlets, assembly tracking and maintaining of premature calculations.
Since servlets are composed in the Java programming dialect and develop a conventional API, so a servlet can be transferred from among web server. On the other hand, CGI programs may be principles subordinate, need to be recompiled or web server dependent.
how is hardware different from sofware?
Answer:
Computer hardware is any physical device used in or with your machine, whereas software is a collection of code installed onto your computer's hard drive. For example, the computer monitor you are using to read this text and the mouse you are using to navigate this web page are computer hardware.
All software utilizes at least one hardware device to operate. For example, a video game, which is software, uses the computer processor (CPU), memory (RAM), hard drive, and video card to run. Word processing software uses the computer processor, memory, and hard drive to create and save documents.
What are the defenses to protect against these attacks?
How does 802.11g differ from 802.11b and 802.11a?
Try this explanation:
802.11a - the 1st generation, frequency - 5 GHz, max. data speed is 54 Mbits/sec.
802.11b - the 2d generation, frequency - 2.4 GHz, max. data speed is 11 MBits/sec.
802.11n - the last generation, frequency are - 2.4 & 5 GHz, max. data speed is 150 MBits/sec. and 600 MBits/sec. Supports 802.11a and 802.11b standarts.
A cookie recipe calls for the following ingredients: • 1.5 cups of sugar • 1 cup of butter • 2.75 cups of flour The recipe produces 48 cookies with this amount of ingredients. Write a program that asks the user how many cookies they want to make and then displays the number of cups of each ingredient needed for the specified number of cookies in the following format: You need 5 cups of sugar, 3 cups of butter, and 7 cups of flour.
The program that asks the user how many cookies they want to make and then displays the number of cups of each ingredient is corresponds to the ingredients mentioned above.
Further explanationPython is a general-purpose programming language. We want to write a python program that asks the user how many cookies they want to make and then displays the number of cups of each ingredient.
48 cookies = 1.5 cups of sugar + 1 cup of butter + 2.75 cups of flour, so:
def main():
cookies = float(input("How many cookies would you like to make?\n>"))
sugar = (1.5 * cookies) / 48.0
butter = cookies / 48
flour = (2.75 * cookies) / 48
print("To make ", cookies, " cookies, you will need:\n", \
format(sugar, '.2f'), " cups of sugar\n", \
format(butter, '.2f'), " cups of butter\n", \
format(flour, '.2f'), " cups of flour", sep='')
redoQuery()
def redoQuery():
yn = input("Would you like to check another batch size? (y/n)\n>")
if yn == 'y':
main()
elif yn =='n':
exit()
else:
print("Please enter only a lowercase \'y\' or lowercase \'n\'," \
"then press enter")
redoQuery()
main()
The run program is shown in the attachment below.
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Answer details
Grade: 9
Subject: Computers and Technology
Chapter: programming with python
Keywords: python
The DSL technology is a a) Broadband b) Narrowband c) Both a) & b) d) None of the above
Answer:both
Explanation:
Ethernet is a standard for a) LAN b) MAN c) WAN d) All of the above
Answer:
a) LAN
Explanation:
Ethernet is a standard for a IEEE or LAN.
Answer:all of the above
Explanation:
Statistical hypothesis testing involves testing the --------------- hypothesis and then make a decision about the ___________ hypothesis.
Answer:
Explanation:
null hypothesis
alternative hypothesis
Answer:
Statistical analysts test a hypothesis by measuring and examining a random sample of the population being analyzed. All analysts use a random population sample to test two different hypotheses: the null hypothesis and the alternative hypothesis.
Explanation:
Write a program to read 2 numbers and display the largest of the two. You should use scanfto read the two numbers and use if statement to see which number is larger
Answer: in C
#include <stdio.h>
int main(){
int num1, num2;
printf("Enter first number :: ");
scanf("%d", &num1);
printf("Enter second number :: ");
scanf("%d", &num2);
if(num1 > num2){
printf("%d is larger than %d\n", num1, num2);
} else if (num2 > num1) {
printf("%d is larger than %d\n", num2, num1);
} else{
printf("Both of them are equal\n");
}
return 0;
}
Write a C++ program that prompt the user to enter three points (x1, y1), (x2, y2), (x3,y3) of a triangle and
Answer:
#include<iostream>
using namespace std;
int main(){
int x1,x2,x3;
int y1,y2,y3;
cout<<"Enter the value of first point(x1,y1): ";
cin>>x1>>y1;
cout<<"\nEnter the value of second point(x2,y2): ";
cin>>x2>>y2;
cout<<"\nEnter the value of third point(x3,y3): ";
cin>>x3>>y3;
}
Explanation:
first include the library iostream for use the input/output commands
then, write the main function. within the main function declare the variable which store the value of points.
after that, use the 'cout' for output. It has the function which print the value or message on the screen.
and 'cin' is used to store the value in the variable.
So, in the above code cout ask for enter the value of point and after enter value by user, cin store in the variables.
Note: you have to enter two value with space or by enter.
Sort the array A = [ 3, 1, 4, 1, 5, 9, 2, 6, 5] using insertion sort and illustrate your solution?
Answer:
Sorted list : [1, 1, 2, 3, 4, 5, 5, 6, 9]
Explanation:
For j= 2 to length of A
we find the place for A[j] in the sub-array A[1,..., j]
Taking i from j-1 to 1, if A[i] is greater than A[j] we shift it to right.
How are arrays stored in memory?
In Java, arrays are objects, therefore just like other objects arrays are stored in heap area. An array store primitive data types or reference (to derived data) types Just like objects the variable of the array holds the reference to the array.
Hope this helps Bruv
The method used to add panels to a JTabbedPane is
newTab.
newPanel.
addPanel.
addTab.
Answer:
Explanation:
by the ecosystem
Write and test a Python program to find and print the largest number in a set of real (floating point) numbers. The program should first read a single positive integer number from the user, which will be how many numbers to read and search through. After reading in all of the numbers, the largest of the numbers input (not considering the count input) should be printed.
I can't read oooooyeaaaa
how do computers benefit individuals' health care?
Answer:
By having personal health records available on a computer, more doctors have access to an individual's information. This allows doctors to view all prescriptions that a person is on, which can help protect patients from conflicting medications to be taken at once, and can save time if a patient doesn't have to redo tests and procedures because the doctor doesn't have the records.
Do you think robots will take millions of jobs when they're put in different positions such as doctors or taxi drivers?
Yes, of course.
When you replace people with technologically advanced robots, it can disturb the economic factors. Although I don't agree with using robots as an every day, common thing, such as self-driving cars or like in the question, using robots as doctors. Technology is technology, it will always need updates and sometimes they break down or need repairs, so that could provide jobs for people; tech jobs that is. Not everybody is tech savvy though, but you learn. I still don't agree with it, but it is what it is.
Q10. The percentile rank allows the researcher to determine:
a. what percentage of individuals in the sample scored above the target individual.
b. the mean for the population based on the mean for the sample.
c. how far a target individual’s score is from the group mean.
d. what percentage of individuals in the sample scored below the target individual.
The correct answer is option (d), which states that the percentile rank indicates what percentage of individuals in the sample scored below the target individual.
Explanation:The percentile rank is a statistical measure that indicates the value below which a given percentage of observations in a group of observations falls. For example, to find the 90th percentile, you would identify the score k where 90 percent of the scores are the same as or below k, and 10 percent are above it. This means if you are at the 90th percentile in test scores, you scored better than 90 percent of the other test takers.
Interpreting percentiles is essential as it gives us information about the relative standing of an individual within a distribution. It is not a reflection of the actual score but instead a comparison with others' scores. Choice (d) is the correct answer to the question because the percentile rank tells us what percentage of individuals in the sample scored below the target individual.
E-commerce builds on traditional commerce by adding the flexibility that networks offer and the availability of the Internet. - true or false
Assuming that your company uses the Class A network 100.0.0.0/8, with what subnet mask would you need to configure all computers on the network to divide this network 11 times to match the comany's 11 departments?
Answer:
Class A network 100.0.0.0/8, we need to divide it so that it can use 11 department, therefore 2^{4} = 16 maximum subnet. The subnet mask 255.240.0.0/12. The hosts per subnet are 2^20 = 1048574. The first 5 subnet range is attached with this question.
Explanation:
The IP address is 32 bits, The default subnet of class A is 255.0.0.0/8, but in this case we take 4 bits from host and add it to network bits so 8+4 = 12, that's why mask bit is 12.
8 bits + 8 bits + 8 bits + 8 bits
100 . 0 . 0 . 0
we take 4 bits from 2nd octet so that it can use in 11 departments, so the remaining 4 bits + 8 bits + 8 bits = 20 bits
2^{20} = 1048574 hosts in each subnet
2^ {4} = 16 subnet ( 0 to 15 range)
when we subtract 255-15 = 240 so that the subnet mask is 255.240.0.0 / 12
What is time-slice? How is the end of the time slice indicated?
Which of the following statements is incorrect in relation to processes: while, strictly speaking, at any instant of time, the CPU is running only one process, in the course of 1 second, it may work on several of them, giving the illusion of parallelism a process is just an instance of an executing program, including the current values of the program counter, registers, and variables processes can be created when an operating system is booted, created by the user, or a running process can create children processes there is a master process, which when started can last forever, and is not killable