(T/F) A New Custom Channel Group May Be Applied Retroactively To Organize Data That Has Been Previously Collected.
Answers
True, It is possible to retroactively apply a new custom channel group to organize previously collected data.
Data gathering. To answer specified research questions, test hypotheses, and assess results, data collection is the act of acquiring and measuring information on variables of interest in a systematic and defined manner. The study question posed will determine the data collection techniques the researcher uses. Surveys, interviews, testing, physiological assessments, observations, reviews of previous records, and gathering biological samples are a few examples of data collection techniques. To assure accuracy and enable data analysis, the primary goal of data collection is to acquire information in a measured and systematic manner. The information gathered must be of the highest calibre to be valuable, as it will be used to offer content for data analysis.
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Related Questions
Write a program that inserts 25 random integers from 0 to 100 in order into a LinkedList object.The program must:• sort the elements,• then calculate the sum of the elements, and• calculate the floating-point average of the elements.Utilizing Java htp 10 late objects approach
Answers
Answer:
Written in Java
import java.util.Collections;
import java.util.Random;
import java.util.LinkedList;
class Main {
public static void main(String[] args) {
LinkedList<Integer> myList = new LinkedList<Integer>();
Random rand = new Random();
int randnum;
int sum = 0;
for(int i = 0;i<25;i++) {
randnum = rand.nextInt(101);
myList.add(new Integer(randnum));
sum+=randnum;
}
Collections.sort(myList);
System.out.println(myList);
System.out.println("Average: "+(float)sum/25);
}
}
Explanation:
import java.util.Collections;
import java.util.Random;
import java.util.LinkedList;
class Main {
public static void main(String[] args) {
This declares a linkedlist as integer
LinkedList<Integer> myList = new LinkedList<Integer>();
This declares random variable rand
Random rand = new Random();
This declares randnum as integer
int randnum;
This declares and initializes sum to 0
int sum = 0;
The following iteration generates random numbers, inserts them into the linkedlist and also calculates the sum of the generated numbers
for(int i = 0;i<25;i++) {
randnum = rand.nextInt(101);
myList.add(new Integer(randnum));
sum+=randnum;
}
This sorts the list
Collections.sort(myList);
This prints the list
System.out.println(myList);
This calculates and prints a floating-point average
System.out.println("Average: "+(float)sum/25);
}
}
The program that inserts 25 random integers from 0 to 100 in order into a LinkedList and sort the elements, and then calculate the sum of the elements, and calculate the floating-point average of the elements is represented below:
import random
linkedList = []
for i in range(0, 25):
random_number = random.randint(0, 100)
linkedList.append(random_number)
sort = sorted(linkedList)
add = sum(sort)
average = add / len(sort)
print(sort)
print(add)
print(average)
The code is written in python.
An empty variable linkedList is declared and an empty list is stored in it.
we loop through a value from range 0 to 25.
Then get a random of 0 to 100.
The random 25 numbers are appended to the empty list linkedList.
The linkedList are then sorted and stored in a variable sort.
The sorted numbers are summed and stored in the variable add.
The floated average of the number is calculated and stored in the variable average.
The sorted numbers, sum and floated average are printed out.
The bolded value of the code are python keywords.
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100 POINTS!
Project: Big Data Programming - Section 2
Finding and Analyzing Your Data
a temperature map of the US
A temperature map of the US (Courtesy of the National Weather Service)
You need a large data set. If you are interested in weather data, try these search prompts. By adding “site:.gov” to your search, you are more likely to find government websites. Be careful in your search to use a trusted and reliable website. You do not want to download a virus along with your data!
climate at a glance site:.gov
statewide time series site:.gov
Examine Your Data
Once you have downloaded data, you will probably need to delete some of the top lines before you read the file. For instance, the following are the top few lines from a file that holds the average February temperature for 126 years. The data lines have three entries: the date, the average February temperature in degrees Fahrenheit, and the departure from the mean February temperature of 33.82 °F. The date is a string composed of the year and month. Since every month is February, all the date strings end in “02.”
Think of what will happen when you read the data in the file. Most of the rows are structured, but the first five rows have identifying information. Be sure you remove such rows from your data file before you process it.
Contiguous U.S., Average Temperature, February
Units: Degrees Fahrenheit
Base Period: 1901-2000
Missing: -99
Date,Value,Anomaly
189502,26.60,-7.22
189602,35.04,1.22
189702,33.39,-0.43
This is how this file should start.
189502,26.60,-7.22
189602,35.04,1.22
189702,33.39,-0.43
Be sure to check your file for the leading lines you need to delete.
Your Task
Now that you have your file holding your data, you need to analyze the data in three different ways that answer questions you pose. How you analyze is up to you, since what you analyze depends on what kind of data you have. As an example, with this data file, you can look for weather trends. You could find the average temperature of each decade, find the decade with the lowest average temperature, and the decade with the highest average temperature. It is a shame that the data table does not go back further. The Krakatoa volcano in Indonesia had a major eruption in 1816. It had such an epic effect on the climate that 1813 was known as the year without a summer.
You need your data file saved in the same folder as your program.
Open your data file with Notepad or Wordpad.
Open a new file in Python.
Copy and paste the contents from Notepad to the Python file.
Save the Python file with a .txt extension in the same folder where you save your program.
Analyzing Your Data
Your program will read your data file, perform the analysis, and write the results to a separate file with a .txt extension.
Write a pseudocode plan for your program. Show your plan to a partner. Ask the partner for any suggestions to improve your plan.
When done, show your results to a partner. Ask your partner what parts they found interesting.
Answers
Answer:
It seems that you are looking for guidance on how to analyze a data set in Python. Here are some steps that you can follow to begin analyzing your data:
Import any necessary libraries or modules in Python. For example, you may want to use the pandas library to help you manipulate and analyze your data.
Read in your data file using a function like `pandas.read_csv()`. This will create a Pandas dataframe containing your data.
Use functions and methods provided by the pandas library (or any other libraries you are using) to perform your analysis. For example, you could use the `mean()` function to calculate the average temperature for each decade, or the `max()` function to find the decade with the highest average temperature.
Use the `write()` function to write the results of your analysis to a new text file.
If necessary, you can also use visualization libraries like Matplotlib or Seaborn to create graphs or plots to help you visualize your data and better understand the trends and patterns in your data.
Explanation:
Write code using the range function to add up the series 20, 30, 40, ... 90 and print the resulting sum each step along the way.
Expected Output
20
50
90
140
200
270
350
440
Answers
In python:
total = 0
for x in range(20, 91, 10):
total += x
print(total)
I hope this helps!
People who make money investing in the stock market.....
A) get certain tax breaks.
B) should sell quickly to avoid taxes.
C) have to pay a fee to keep a stock.
D) must pay taxes on profits.
The answer is D ^^^
Answers
Answer:
D must pay taxes on profits.
Explanation:
which type of intrusion detection system can also block attacks?
Answers
Network-based Intrusion Detection Systems (NIDS) can also block attacks.
Which type of intrusion detection system can also block attacks?Intrusion Detection Systems (IDS) are designed to monitor network or system activities and detect potential security breaches or attacks. There are two main types of IDS: Network-based Intrusion Detection Systems (NIDS) and Host-based Intrusion Detection Systems (HIDS).
Among these two types, Network-based Intrusion Detection Systems (NIDS) have the capability to not only detect but also block or prevent attacks. NIDS are placed at strategic points within a network and monitor incoming and outgoing network traffic.
They analyze the network packets and compare them against known attack patterns or signatures to identify malicious activities. Once a potential attack is detected, NIDS can take proactive measures to block or prevent further intrusion attempts.
NIDS can employ various techniques for blocking attacks, such as packet filtering, firewall rules, or even actively terminating suspicious connections.
By actively blocking or preventing malicious activities, NIDS help enhance the security of a network by reducing the impact of attacks and minimizing potential damage.
In contrast, Host-based Intrusion Detection Systems (HIDS) focus on individual hosts or systems and primarily detect and alert about potential intrusions rather than directly blocking them.
They monitor system logs, file integrity, and other host-specific activities to identify suspicious behavior but rely on other security measures or administrators to take action against detected threats.
Therefore, NIDS is the type of intrusion detection system that can also block attacks.
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what does the operating system do if you try to save a file with the same name into the same folder?
Answers
Answer:
It overwrites the original file, unless a number
date or initials are added to the file name, these are used for the differentiation of those files.
due to a strange series of it failures, brad's computer is down and he does not have access to qi macros statistical software. given a cpu of .44 and a cpl of .55, what is the cpk?
Answers
Choose File, Options, and Add-Ins from the left-hand column of Excel. Click Enable after choosing the QI Macros-disabled file or files. The QI Macros menu should now appear in your Excel sub-ribbon.
choose "Extract All" from the zip file. After that, launch the installation procedure by double clicking the QI Macros setup.exe file. Answer the questions. When you open Excel, "QI Macros" ought to be visible in the menu bar. Data analysis tools including histograms with Cp and Cpk, Pareto charts, scatter plots, box whisker plots, and all variable and attribute control charts are all included in QI Macros SPC Software for Excel. Currently, iOS and Android users may download the Aircharge-Qi wireless charger locator app from the corresponding App stores. Go to the Insert menu > then choose Module if you need to put the macro in a module but don't already have one visible. Then, a module will be included. after a bare window appears
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the processing is done in the
Answers
Answer:
CPU Central Processing Unit
Answer:
CPU.... I'm not sure but it might be right or can u put the full question because it sorta don't make any sense
Need help with the following error message when trying to play EA Games with Game Pass "Something went wrong. To continue linking account head back and start over.
Answers
Given the error: "Something went wrong. To continue linking accounts head back and start over.", you would need to restart your gaming console, check your network settings, and try again.
What is an Error Message?This refers to the term that is used to describe and define the type of message that is given to a user when a variable or command fails to execute for any reason.
Hence, from the given error message given, one can see that you either have network problems or your gaming console is having authentication issues.
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are the network administrator for your company. You are installing a new printer in the network. When you check the print server properties, it displays the following error: Server properties cannot be viewed. The print spooler service is not running. What should you do to resolve the issue using the least administrative effort
Answers
Answer:
Will have to run the net start spooler command.
Explanation:
The printer spooler seems to be accountable for overseeing incoming faxes that have been in effect intended for handling by the printer. Whether this device stops operating, your printer won't publish documentation as well as the machine may not notice it either.To solve these problems, you'll need to run the net start spooler command using the least administrative effort.when using a multiple-baseline design, how would one decide when to implement the independent variable?
Answers
The independent variable is introduced at various times across several baselines in a multiple-baseline design to evaluate its impact on the dependent variable.
The particular research topic and study design will determine when to use the independent variable. The independent variable should typically be applied to the baselines in a staggered fashion, with each baseline acting as a control for the others. This makes it possible to evaluate the impacts of the independent variable methodically while accounting for any possible confounding factors that can have an impact on the dependent variable. Several criteria, such as time, behavior, or other occurrences that can be pertinent to the study topic, might be used to create the independent variable.
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qbasic write a program to input number of keyboard to purchase and display the total amount to be paid for with dry run and output step by step
Answers
Answer:
DIM cost, amount
cost=8
INPUT "How many do you want to purchase";amount
PRINT "Total cost: ";amount*cost
Explanation:
What do you mean by dry run?
1. Implement a three layer feedforward artificial neural network (ANN) training by Backpropagation for the MNIST dataset (https://en.wikipedia.org/wiki/MNIST_database). Output the prediction accuracy. The dataset can be downloaded here: https://pypi.org/project/python-mnist/. Or you can download it from other source
upload the solution with step by step in jupyter and screenshots of output and source code.
Thank you
Answers
Implementing a three-layer feedforward artificial neural network (ANN) training by Backpropagation for the MNIST dataset and outputting the prediction accuracy can be achieved by using Jupyter notebook, Python, and the appropriate libraries such as TensorFlow or PyTorch.
How can you implement a three-layer feedforward artificial neural network (ANN) training by Backpropagation for the MNIST dataset and obtain the prediction accuracy?To implement a three-layer feedforward artificial neural network (ANN) training by Backpropagation for the MNIST dataset, follow these steps:
1. Set up the Jupyter notebook environment and import the necessary libraries such as TensorFlow or PyTorch.
2. Load the MNIST dataset using the provided link or any other reliable source.
3. Preprocess the dataset by performing tasks such as data normalization, splitting it into training and testing sets, and converting labels into one-hot encoded vectors.
4. Design the architecture of the three-layer feedforward ANN with appropriate activation functions, number of hidden units, and output layer.
5. Initialize the network parameters (weights and biases) randomly or using predefined methods.
6. Implement the forward propagation algorithm to compute the predicted outputs.
7. Implement the backpropagation algorithm to update the weights and biases based on the calculated errors.
8. Repeat steps 6 and 7 for a specified number of epochs or until convergence.
9. Evaluate the trained model on the testing set and calculate the prediction accuracy.
10. Upload the solution in Jupyter notebook along with the necessary screenshots of the output and the complete source code.
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uppose you would like to urgently deliver 50 terabytes data from boston to los angeles. you have available a 100 mbps dedicated link for data transfer. would you prefer to transmit the data via this link or instead use fedex overnight delivery? explain.
Answers
To transfer 50,000 gigabytes at this rate, it would take approximately 4,000 hours or 167 days.
In this case, the size of the data to be transferred is 50 terabytes, which is equivalent to 50,000 gigabytes. The transfer rate of the available dedicated link is 100 megabits per second, which translates to 12.5 megabytes per second. To transfer 50,000 gigabytes at this rate, it would take approximately 4,000 hours or 167 days.
On the other hand, using FedEx overnight delivery, it is possible to transfer up to 20 terabytes of data on a single storage device. This means that you could split the 50 terabytes into multiple storage devices and ship them overnight via FedEx. The total time taken would depend on the number of shipments and the time required for the shipment to reach its destination.
In this scenario, FedEx overnight delivery would be a more practical and efficient option for urgent delivery of large amounts of data over long distances. It would take a fraction of the time compared to transferring the data over the available dedicated link.
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draw a flow chart to find the sum of two numbers
Answers
The answer is in the above attachment....
What is the difference
difference between
Open
and recent
command?
Answers
Write a program to help an analyst decrypt a simple substitution cipher. your program should take the ciphertext as input, compute letter frequency counts, and display these for the analyst. the program should then allow the analyst to guess a key and display the results of the corresponding "decryption" with the putative key.
Answers
Every character in plaintext is swapped out for a different character in simple substitution cyphers. One should perform a reverse substitution and change the letters back in order to decrypt ciphertext.
What is a straightforward instance of a substitution cypher?Any character of plain text from the predetermined fixed set of characters is replaced by another character from the same set according to a key in a substitution cypher. For instance, with a shift of 1, B would take the place of A, and so on.
What does Python's simple substitution cypher mean?An Easy Substitution Letters are swapped out in cyphers. The total number of possible substitutes is 26 for the letter A, 25 for the letter B, 24 for the letter C, and so on.
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18. which of these components is responsible for providing instructions and processing for a computer? a. cpu b. ssd c. ram d. rom
Answers
The components that is responsible for providing instructions and processing for a computer is a. CPU.
What area of the computer executes commands?This command center's central processing unit (CPU) is a sophisticated, large-scale collection of electrical circuitry that carries out pre-stored program instructions. A central processing unit is a must for all computers, big and small.
Note that the CPU, RAM, and ROM chips are all located on the motherboard. The "brain" of the computer is known as the Central Processing Unit (CPU). It carries out instructions (from software) and directs other parts.
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Here is a super challenge for you if you feel up for it. (You will need to work this out in Excel.) In 2017 the Islamic month of fasting, Ramadan, began on Friday, 26 May. What fraction of the year was this? (to 1 decimal place) Hint: Think carefully which start and end dates to use.
Answers
The date Friday 26, May 2017 represents 2/5 of the year 2017
From the question, we understand that Ramadan starts on Friday 26, May 2017.
Using Microsoft Office Excel, this date is the 146th day of the year in 2017.
Also, 2017 has 365 days.
This is so because 2017 is not a leap year.
So, the fraction of the year is:
\(\frac{146}{365}\)
Multiply the fraction by 73/73
\(\frac{146}{365} = \frac{146}{365} \times \frac{73}{73}\)
Simplify
\(\frac{146}{365} = \frac{2}{5}\)
Hence, the fraction of the year is 2/5
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The fraction of the year that corresponds to the Islamic month of fasting, Ramadan, beginning on May 26, 2017, is 2/5.
Find out how many days passed from January 1, 2017, to May 26, 2017.
January has 31 daysFebruary has 28 daysMarch has 31 daysApril has 30 daysMay has 26 daysTotal days = 31 + 28 + 31 + 30 + 26
Total days = 146 days.
The total days in regular year:
The total days = 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + 31
The total days = 365 days.
The required fraction is calculated as:
Fraction = 146 days / 365 days
Fraction = 2 / 5
So, the fraction is 2 / 5.
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For Internet Protocol (IP) v6 traffic to travel on an IP v4 network, which two technologies are used? Check all that apply.
Answers
The two (2) technologies that must be used in order to allow Internet Protocol version 6 (IPv6) traffic travel on an Internet protocol version 4 (IPv4) network are:
1. Datagram
2. IPv6 tunneling
An IP address is an abbreviation for internet protocol address and it can be defined as a unique number that is assigned to a computer or other network devices, so as to differentiate them from one another in an active network system.
In Computer networking, the internet protocol (IP) address comprises two (2) main versions and these include;
Internet protocol version 4 (IPv4)Internet protocol version 6 (IPv6)IPv6 is the modified (latest) version and it was developed and introduced to replace the IPv4 address system because it can accommodate more addresses or nodes. An example of an IPv6 is 2001:db8:1234:1:0:567:8:1.
Furthermore, the two (2) technologies that must be used in order to allow Internet Protocol version 6 (IPv6) traffic travel on an Internet protocol version 4 (IPv4) network are:
1. Datagram
2. IPv6 tunneling
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What validation type would you use to check that numbers fell within a certain range? a) range check b)presence check c)check digit d)consistency check
Answers
Answer:
a) range check
Explanation:
Validation can be defined as an automatic computer check that is designed to ensure any data entered is sensible, consistent, feasible and reasonable.
Basically, there are five (5) main validation methods and these includes;
I. Presence check: checks that the user enters (inputs) data into the field. It ensures a field isn't accidentally left blank.
II. Length check: checks that the data entered isn't too short or too long. It ensures that the data meets the minimum characters.
III. Type check: checks that the data entered is in the right format. For example, string, integer, float, etc.
IV. Check digit: checks that the digit entered is acceptable and consistent with the rest of the digits.
V. Range check: checks that the data entered is between the accepted lower (minimum) and upper (maximum) level.
Hence, range check is a validation type you would use to check that numbers fell within a certain range.
For example, 0 < x > 1000 is a range check.
Fill is the inside color of a shape.
O
a. True
B. False
Answers
Answer:
True.
Explanation:
Fill describes the color of the area inside a designated shape. This statement is true.
Help to draw in turtle. Python
Answers
Answer:
a basic piece of code:
from turtle import *
color('red', 'yellow')
begin_fill()
while True:
forward(200)
left(170)
if abs(pos()) < 1:
break
end_fill()
done()
Explanation:
What its doing is The TurtleScreen class defines graphics windows as a playground for the drawing turtles. Its constructor needs a tkinter.Canvas or a ScrolledCanvas as argument. It should be used when turtle is used as part of some application.
The function Screen() returns a singleton object of a TurtleScreen subclass. This function should be used when turtle is used as a standalone tool for doing graphics. As a singleton object, inheriting from its class is not possible.
All methods of TurtleScreen/Screen also exist as functions, i.e. as part of the procedure-oriented interface.
RawTurtle (alias: RawPen) defines Turtle objects which draw on a TurtleScreen. Its constructor needs a Canvas, ScrolledCanvas or TurtleScreen as argument, so the RawTurtle objects know where to draw.
Derived from RawTurtle is the subclass Turtle (alias: Pen), which draws on “the” Screen instance which is automatically created, if not already present.
All methods of RawTurtle/Turtle also exist as functions, i.e. part of the procedure-oriented interface.
True or False? Jerry's company is beginning a new project, and he has been assigned to find a telecommunications tool that will improve operational efficiency. He lists the tasks that he wants the tool to be able to do. Then he does some research to find out what is available. The only thing remaining for Jerry to consider is where he can get the best deal on the technology.
Answers
Answer:
True
Explanation:
Answer:
It's false it took the assessment
1. How many usable host addresses are available on the network 128.20.128.0 with a subnet mask of 255.255.252.0? Please type only the final number, no calculation or formula is needed
2. A network subnet has a mask of 255.255.255.248. How many usable host addresses will this subnet provide? Please type only the final number, no calculation or formula is needed!
Answers
1. How many usable host addresses are available on the network 128.20.128.0 with a subnet mask of 255.255.252.0?
With a subnet mask of 255.255.252.0, 22 bits are used for the network ID and 10 bits are used for host addresses, for a total of 1024 addresses. Since two of the addresses will be reserved for network and broadcast addresses, only 1022 usable addresses are available. Therefore, the final number of usable host addresses available is 1022.
2. A network subnet has a mask of 255.255.255.248. How many usable host addresses will this subnet provide?
With a subnet mask of 255.255.255.248, 3 bits are used for host addresses, so that's 8 addresses. Since two of the addresses will be reserved for network and broadcast addresses, only 6 usable addresses are available. Therefore, the final number of usable host addresses available is 6.
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Read the following scenario, and then answer the question.
Lianna is an Information Technology professional. She usually spends her days creating custom programs for her company by writing code. Near the end of the day, Lianna runs into an issue trying to connect to the company’s webpage. Because she can see her coworkers successfully connecting to the website, she suspects that the issue might be on her computer in particular.
Which kind of information technology specialist would Lianna contact in order to resolve her problem?
Answers
The kind of information technology specialist would Lianna contact in order to resolve her problem would likely be a Network Administrator or Technical Support Specialist.
Network Administrators are responsible for managing an organization's network infrastructure, ensuring that all devices, including computers and servers, can successfully connect to the internet and access required resources. They have the expertise to diagnose and troubleshoot network-related issues that might be affecting Lianna's computer specifically.
On the other hand, Technical Support Specialists are trained to provide assistance for various hardware and software issues. They can work with Lianna to determine if her problem is related to her computer's settings or any installed applications that may be interfering with her ability to connect to the company's webpage. Additionally, Technical Support Specialists can provide guidance on possible solutions, such as updating software or reconfiguring network settings, to help Lianna regain access to the website.
Both of these IT specialists have the skills and knowledge necessary to identify and resolve Lianna's issue, ensuring that she can continue her work creating custom programs for her company. Their professional support can quickly restore her connection and minimize the impact of the problem on her productivity.
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define computer network
Answers
Answer:
Explanation:
A computer network is a set of computers sharing resources located on or provided by network nodes. The computers use common communication protocols over digital interconnections to communicate with each other.
3. Describe at least THREE different kinds of networks present in your house or school and what devices are connected through each network. Which network do you personally use the most, and why? Should you be concerned about cybersecurity for that network?
Answers
Answer:
There are various networks in a typical house or school, including wired, wireless, and internet networks. Wired networks are used to connect devices such as desktop computers, printers, and servers using Ethernet cables. The wireless network connects devices such as laptops, smartphones, and tablets through a Wi-Fi signal. The internet network is used to connect to the internet, allowing devices to communicate and exchange data over the World Wide Web. I personally use the wireless network the most as it is the most convenient for my smartphone and laptop. Cybersecurity is a concern for all networks, especially for wireless networks as they are susceptible to hacking and unauthorized access. Therefore, it is crucial to use strong passwords, update software regularly, and limit access to the network to ensure cybersecurity.
Assume that we are receiving a message across a network using a modem with a rate of 56,000 bits/second. furthermore, assume that we are working on a workstation with an instruction rate of 500 mips. how many instructions can the processor execute between the receipt of each individual bit of the message?
Answers
The most common encoding is 8N1, which sends 10 symbols per 1 byte of data. The baud rate (56,000) using a modem is measured in symbols per second rather than bits per second. So 8 bits of the message require 10 symbols, or 1/5600 second. 1 bit takes 1/44800 of a second. During that time, the processor can execute 11200 instructions with 500 MIPS between the receipt of each individual bit of the message.
What is a Processor?
A processor is a type of integrated electronic circuit that performs the calculations that allow a computer to function. A processor executes arithmetic, logical, input/output (I/O), and other basic instructions sent by an operating system (OS). Most other processes are dependent on processor operations.
The terms processor, central processing unit (CPU), and microprocessor are frequently used interchangeably. Although most people nowadays use the terms "processor" and "CPU" interchangeably, this is technically incorrect because the CPU is only one of the processors inside a personal computer.
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The following are examples of common workplace injury except O Falls
O Strains
O Following instructions
O Electrical accident
Answers
Answer:
O Following instructions
Explanation: