The Linux tail command prints the last maximum n lines of a file. When writing a function that performs this function, choose the correct statements that can go in the ?????.



lines[-n]

lines[-n:]

lines[len(lines)-n:]

lines[-1:-n-1:-1]

lines.pop(n)

The Linux Tail Command Prints The Last Maximum N Lines Of A File. When Writing A Function That Performs

Answers

Answer 1

The Linux tail command prints the last maximum n lines of a file. When writing a function that performs this function, in this case is lines[-n:].

Writing code in Linux:

def tail(filename, n=10) :

 with open(filename, "r") as

     lines = f.readlines()

  for line in lines[-n:] :

    print (lines)

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The Linux Tail Command Prints The Last Maximum N Lines Of A File. When Writing A Function That Performs

Related Questions

26. A network administrator is looking to expand the available bandwidth of his extranet remote branch by adding another leased line. The ISP has notified the administrator that another physical serial connection will need to be added to his gateway router. Which of the following will realise this?

A. Add a distribution layer card into the router allowing another gigabit ethernet port.
B. Add a layer 3 switch into the network.
C. Install a WAN interface card with appropriate interface connectors to the
router.
D. Multiplex the existing serial using the appropriate commands in the config
file.



27. What happens after configure a rule with IP address 0.0.0.0 and wildcard mask 255.255.255.255?
A. This is default configuration B. Block all IP address
C. Allow all IP addresses
D. Nothing will happens

Answers

The option that will realize the above case is that  Add a distribution layer card into the router allowing another gigabit ethernet port.

How do one  Increase Bandwidth on Router

The steps are:

Alter the Router's Location. Then Reboot your Router.Have a Dual-bandwidth Router. Then do Update the Router's Firmware.

So therefore, The option that will realize the above case is that  Add a distribution layer card into the router allowing another gigabit ethernet port.

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Execute and explain this program using // in Layman's language. Thank you!

Answers

The explanation of the program using layman's language is:

It wants to find the highest and lowest contributions madeIt wants to discover how many individual contributions were needed to reach the targetThe total amount of contributions collectedThe program wants to test various input data for contributions and how many contributions are needed to reach the goal.

What is a Program?

This refers to the sequence of instructions in a programming language that executes the instruction given to the computer.

Hence, we can see that different input sizes would be used to test the program as it is in the testing stage to see just how efficient the program is.

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6.24 LAB: Convert to binary - functions
Write a program that takes in a positive integer as input, and outputs a string of 1's and 0's representing the integer in binary. For an integer x, the algorithm is:

As long as x is greater than 0
Output x % 2 (remainder is either 0 or 1)
x = x // 2
Note: The above algorithm outputs the 0's and 1's in reverse order. You will need to write a second function to reverse the string.

Ex: If the input is:

6
the output is:

110
The program must define and call the following two functions. Define a function named int_to_reverse_binary() that takes an integer as a parameter and returns a string of 1's and 0's representing the integer in binary (in reverse). Define a function named string_reverse() that takes an input string as a parameter and returns a string representing the input string in reverse.
def int_to_reverse_binary(integer_value)
def string_reverse(input_string)

in python

Answers

The program illustrates the use of functions, iterations and modulo operator

The complete program

The program written in Python is as follows:

import math

def int_to_reverse_binary(integer_value):

  remainder = ""

  while integer_value>=1:

      remainder+=str(integer_value % 2)

      integer_value=math.floor(integer_value/2)

  reverse_string(remainder)

def reverse_string(input_string):

  binaryOutput=""

  for i in range(len(input_string)-1,-1,-1):

      binaryOutput = binaryOutput + input_string[i]

  print(binaryOutput)

integer_value = int(input("Enter a Number : "))

int_to_reverse_binary(integer_value)

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Write a program to print the absolute value of a number entered by the user. E.g.-
INPUT: 1 OUTPUT: 1
INPUT: -1 OUTPUT: 1

Answers

The program to print the absolute value of a number entered by the user will be:

number = int(input("Enter a number: "))

print(abs(number))

What is a program?

It should be noted that a computer program is a set of instructions that are in a programming language for a computer to execute.

Furthermore, computer programs are one component of software that also includes documentation and other intangible components.

In conclusion, the program is illustrated above.

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Select the correct answer.
Lavinia wants to use a protocol for sharing files on a computer network. Which protocol is designed for that purpose?

A. DHCP
B. DNS
C. FTP
D. HTTP

Answers

Answer:

C. FTP

Explanation:

FTP is a network protocol for transmitting files between computers.

List and describe the five moral dimensions that are involved in political, social, and ethical issues. Which do you think will be the most difficult for society to deal with? Support your opinion.

Answers

The five moral dimensions are:

Information rights and obligations.Property rights and obligationsSystem quality.Quality of life, Accountability and control.

I see that Quality of life is most difficult for society to deal with as there ae lots of rich and poor people and the government have not been able to bridge the gap between them.

What are the morals about?

The five main moral dimensions that are known to be written above are said to be tied together in regards to ethical, social, and political issues that are seen in any information society.

Therefore, The five moral dimensions are:

Information rights and obligations.Property rights and obligationsSystem quality.Quality of life, Accountability and control.

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How would you describe data communication system vis a vis computer networking.

Answers

Data communications is known to be the movement of digital data between two or a lot of computers while computer networking is known to be a form of  telecommunications network that gives room for computers to be able to exchange data.

What is the difference between communication system and network?

Data Communication is one that works in the area of communicating process and it entails all the different areas and through a lot of process but Computer Networking is one that moves information and allow file  movement across different localities to pass data.

Therefore, Data communications is known to be the movement of digital data between two or a lot of computers while computer networking is known to be a form of  telecommunications network that gives room for computers to be able to exchange data.

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steps to copy and paste text/information from website to Ms-word using keyboard​

Answers

Answer: Highlight the text you want to copy. Use the shortcut key combination Ctrl + C on a PC or Command + C on a Mac to copy the text. Move the text cursor to where you want to paste the text. Press Ctrl + V on a PC or Command + V on a Mac to paste the text

Explanation:

just copy and past by highlighting the text you want and clicking ctrl and c at the same time then ctrl and v to put it on word

Find and print the maximum values of each column in the subset

Answers

Using python knowledge it is possible to write a function that displays the largest sets of an array.

Writting in python

import pandas as pd

cars_df=pd.read_csv('Cars.csv')#cars.csv is not provided, using random data

userNum = int(input())

cars_df_subset=cars_df[:userNum]

print(cars_df_subset.max())

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Data elements in a relational database are organized into ____

Answers

Data elements in a relational database are organized into _Tables_

Hope it helps!

An engineer is developing an algorithm to diagnose a person’s illness based on their reported symptoms.

In this scenario, the engineer would likely want to favor __________ as the most important category when developing their algorithm.

Answers

The engineer would likely want to favor accuracy as the most important category when developing his or her algorithm.

What is an algorithm?

An algorithm can be defined as a standard formula or procedures which consist of a set of finite steps and instructions that are executed on a computer system, in order to enable a software solve a particular problem under appropriate conditions.

In this scenario, the engineer would likely favor accuracy as the most important category when developing his or her algorithm to diagnose illness in a person based on their reported symptoms.

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Accuracy

The engineer would likely want to favor accuracy as the most important category when developing her algorithm.

An algorithm is a standard formula or procedures which consist of a set of finite steps and instructions that are executed on a computer system, to enable a software to solve a problem under appropriate conditions.

This engineer would favor accuracy as the most important category when developing her algorithm to diagnose illness in a person based on his reported symptoms.

Retype the below code. Fix the indentation as necessary to make the program work.

if 'New York' in temperatures:

if temperatures['New York'] > 90:

print('The city is melting!')

else:

print('The temperature in New York is', temperatures['New York'])

else:

print('The temperature in New York is unknown.')

Sample output with input: 105


The city is melting!

Perferred in Python

Answers

The retyped code fixing the indentation problem is attached below

Proper Indentation in python

The proper indentation of lines of codes in python can be done by hitting the the space 4 times or by using the Tab button

The values assigned to the dictionary with variable_name temperatures is missing but I have provided an assumed dictionary to enable the proper writing and Indentation of the lines of code.

Hence we can conclude that The retyped code fixing the indentation problem is attached below.

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How will quantum computing affect artificial intelligence applications

Answers

Answer:

it is very helpful

Explanation:

Quantum computing opens the door potentially solving very large and complex computational problems that are basically impossible to solve on traditional computers.

describe the purpose of working directory and how it can be speed or slow file access

Answers

Explanation:

The working directory is just a file path on your computer that sets the default location of any files you read. If you want to read a file 'file.txt'.

After turning the volume all the way up on your speakers, you still cannot hear any sound. Which of the following should be your the next step?
OPTIONS
You should replace your system speakers.
You should try to re-install your sound card.
You should unplug your computer and plug it back in.
You should check that your sound isn't muted.

Answers

The option to do among the above in terms of your the next step is to you should check that your sound isn't muted.

What to do when sound is not coming from speakers?

The likely things to do to Fix sound or audio issues in Windows are:

Check the speaker output. Also Check sound settings. Fix the audio drivers of the system.

Note that the right and first thing to do if one do not hear any sound is to check if the system is on mute and so, The option to do among the above in terms of your the next step is to you should check that your sound isn't muted.

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Someone please help me, i have exams in 2 hours please help me :-(​

Answers

Explanation:

Let me help you

Answer to MCQ a:CELL

Answer to MCQ b:Cursor

Answer to MCQ c:Table

Answet to MCQ d:Spreadsheet

Answer to MCQ e:F2 function key

Answer to MCQ f:Right aligned

Answer to MCQ g:Left aligned

Good luck for your exam :)

For Captive Analytics firms clients are well defined? True or false

Answers

From the aspect of captive Analytics firms, clients are well-defined. Yes, in this case, the given statement stands true.

What are captive Analytics firms?

Captive Analytics firms save the exceedingly exclusive data, typically in the BFSI space, and hire specialists in setting up their division. And then the crew grows primarily based totally on the ROI and the sort of initiatives they take up.

Thus, From the aspect of captive Analytics firms, clients are well-defined. Yes, in this case, the given statement stands true.

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List several advantages developing software in a higher-level language has over developing software in machine language.

Answers

Readability of code
Reusability and ease of access
The software will be machine independent
The software will be user-friendly

How could this
innovation change society?

Answers

Answer:

invention such as new tool devices progress and resistance benefits to society inventions selfie lies and provide new way to build move communicate heal learn and play

A touchscreen is a type of _____ screen.

capacitive
interactive
resistive
LED

Answers

i believe it is interactive

Answer:

LED

Explanation:

touch screen is the assembly of both an input ('touch panel') and output ('display') device. The touch panel is normally layered on the top of an electronic visual display of an information processing system. The display is often an LCD, AMOLED or OLED display while the system is usually a laptop, tablet, or smartphone.

Most antivirus software is effective against:
Group of answer choices

only those viruses active on the Internet and through e-mail

only those viruses already known when the software is written

any virus

any virus except those in wireless communications applications

Answers

Explanation:

only those viruses already known when the software is written

Which of the following shows how to correctly declare pointer variable x?
A. int x;
B. int &x;
C. ptr x;
D. int *x;

Answers

Answer:

declaration of pointer variables are done using *

Explanation:

* denotes the declared variable is a pointer which can hold address of another location. To get values of any address & is used. For example, we have an integer variable a to which holds a value 10. if you want to read the address of the variable a, use &a. To store this address in any other memory declare a pointer variable.

int a = 10;

int *loc_a;

loc_a = &a;

Data frames can be subset by a chosen value using ==.

Ex: df[df.x == 5] gives all the rows in the data frame df for which the column x has a value of 5.

Write a program that performs the following tasks:

Load the file mtcars.csv into a data frame called df

Create a new data frame df_cyl by subsetting the data frame based on a user defined value for the column cyl.

Print the shape of the new data frame.

Answers

Using python knowledge and writing code importing pandas, it is possible to create a function that corresponds to what you want.

Writting in python:

import pandas as pd

if __name__ == "__main__":

   df=pd.read_csv('mtcars.csv')

   cylinders=int(input())

   print(df[df.cyl==cylinders].shape)

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You've determined that your email program, Outlook, is not working, and your
manager tells you to reboot your email program. Which of these should you NOT do?

Answers

You've determined that your email program, Outlook, is not working, and your manager tells you to reboot your email program Go and restart outlook. If it begins offevolved and works fine, then Outlook is fine, if now no longer, continue to the following approach to troubleshoot.

Why is my Outlook Email now no longer working?

Remove and re-upload the e-mail account at the Outlook app. Check for any pending updates in your tool or for the Outlook app. Remove the Outlook app out of your telecellsmartphone and re-down load it out of your tele cellsmartphone's app save to make certain which you have the maximum up to date Outlook app. Restart your smartphone/too.

Go and restart outlook. If it begins offevolved and works fine, then Outlook is fine, if now no longer, continue to the following approach to troubleshoot. Press the Windows key and press “r” to your keyboard and sort outlook.exe /reset navpane in the “Run” conversation box. Press “Enter” to run OutlookWhile the using of Microsoft Outlook, you may have come upon several forms of mistakes which restrict you from getting access to it completely. And one of the maximum encountered mistakes is ‘Outlook isn't closing’, even after clicking the go out button a couple of times.

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which window would show you bindings for local area connection 2?

Answers

Local area connection 2 properties

A
Two of the three following numbers
are equal. Which of the following
numbers is not equal to the other
two numbers?
0100 1101
binary
B
77 (decimal -
base 10)
C
4E16
(Hexadecimal
-base 16)

Answers

C is not equal to the other two numbers.

Explanation:

A is 77

B is 77

but C is actually 78.

Write an if-else statement for the following: If user_tickets is less than 5, assign num_tickets with 1. Else, assign num_tickets with user_tickets. Sample output with input: 3 Value of num_tickets: 1

Answers

The if-else statement as based on python 3.8 is given below

if user_tickets < 5:

  num_tickets = 1

else:

  num_tickets = user_tickets

Note that if this code is to work properly, a person need to first declare user_tickets before the if-else statements.

What is this if statement?

The if/else statement is known to be that which carry out a block of code if a given condition is true.

Note that If the condition is false, a given  or another block of code iis one that can be executed.

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Create a python program that converts number grades to letter grades.


Console

Letter Grade Converter


Enter numerical grade: 90

Letter grade: A


Continue? (y/n): y


Enter numerical grade: 88

Letter grade: A


Continue? (y/n): y


Enter numerical grade: 80

Letter grade: B


Continue? (y/n): y


Enter numerical grade: 67

Letter grade: C


Continue? (y/n): y


Enter numerical grade: 59

Letter grade: F


Continue? (y/n): n


Bye!


Specifications

 The grading criteria is as follows:

A 88-100

B 80-87

C 67-79

D 60-66

F <60

 Assume that the user will enter valid integers for the grades.

 The program should continue only if the user enters “y” or “Y” to continue.

Answers

The python program that converts number grades to letter grades is as written below.

How to create a python program?

The python program that converts number grades to letter grades is as written below;

def test(nums):

   return ["A" if grade >= 88

                       else ("B" if grade >= 80

                                   else ("C" if grade >= 67

                                         else ("D" if grade >= 60

                                               else ("C" if grade < 60

           for grade in nums]

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Question 4 (5 points) If your social media accounts are___________, college admissions representatives can look at your social media activity when deciding whether or not to accept you at their school. O restricted private firewalled Opublic Question 4 ( 5 points ) If your social media accounts are___________ , college admissions representatives can look at your social media activity when deciding whether or not to accept you at their school . O restricted private firewalled Opublic​

Answers

If your social media accounts are public, college admissions representatives can look at your social media activity when deciding whether or not to accept you at their school.

What is a public social media account?

Public social media account is also known as the open account, in which any people can check the person's post and like and share the post. Basically, famous people like to keep their account public to gain more publicity.

Thus, option D is correct.

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Answer: The answer is B: Public

Explanation:

8. Choose the 3 correct statements for the code below.
class BaseLayer:
def __init__(self, name=""):
self.name = name

def __repr__(self):
return f"{self.name}Layer"

class ActivationLayer(BaseLayer):
def __init__(self, size):
super().__init__("Activation")
self.size = size

class FCLayer(BaseLayer):
def __init__(self, size):
super().__init__("FullyConnected")
self.size = size

Answers

The correct statements for the code below are:

An object of the ActivationLayer class has a name attribute.print(FCLayer(42)) prints FullyConnectedLayer.When creating an object of the BaseLayer class, the name argument must be given.

What is activation layer?

Activation layer is known to be the added into the code after the weight layer.

Note that The correct statements for the code below are:

An object of the ActivationLayer class has a name attribute.print(FCLayer(42)) prints FullyConnectedLayer.When creating an object of the BaseLayer class, the name argument must be given.

See options below

An object of the ActivationLayer class has a name attribute.

An object of the BaseLayer class has a size attribute.

print(FCLayer(42)) prints FullyConnectedLayer.

When creating an object of the ActivationLayer class, the size argument must be given.

When creating an object of the BaseLayer class, the name argument must be given.

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Other Questions
HISTORY OF PRESENT ILLNESSThe patient is a 20-year-old female. On the day of admission, she appeared in the emergency department complaining of shortness of breath, chills and fever.PHYSICAL EXAMINATIONBlood pressure: 94/50. Pulse: 160. Respirations: 52 and labored with bilateral rhonchi. Temperature: 100.8 F. Numerous petechiae on the lower extremity were noted. Jugular venous distention was noted. The GI exam showed a tender liver.DATABASEEKG showed a right axis deviation and sinus tachycardia. The chest x-ray showed multiple pulmonary opacities with a right upper lobe cavitation. Platelets 9000, hemoglobin 9.1, hematocrit was 27.9, WBCs 10,000.IMPRESSIONDue to progressive respiratory failure, the patient was intubated prior to admission. The patient was diagnosed with acute renal failure and was placed in the ICU. The patient also has bacterial endocarditis due to a staphylococcal infection and was started on triple antibiotics.ICD-10-CM:ICD-10-CM:ICD-10-CM:ICD-10-CM: . What happens during telophase of the cell cycle?Chromosomes are pulled apart.Chromosomes condense.Chromosomes uncoil and the nucleus reappears.Chromosomes line up. Signs you're adultingConducted by OnePoll on behalf of Avocado Green Brands, a recent survey of 2,000 Americansdelved into the different actions that have helped respondents to feel like an adult. Topping the listwas living on their own (30%) for the first time, followed by buying a house (28%) and gettingmarried (27%).a) If we define a "success" as thinking that buying a house makes one feel like an adult, how manysuccesses would we find in this sample of 2000 Americans?Give an integeranswer.b) Construct a 98% confidence interval to estimate the proportion of all Americans who think thatliving on their own makes someone feel like an adult, assuming a sample size of 2000 and thestatistics given by One Poll. Give each of the interval endpoints as a percent, rounded to onedecimal places. (%,%) According to the fundamental theorem of algebra, how many roots exist for the polynomial function? (9x 7)(4x 1)(3x 4) = 0 Joseph wants to conduct research on personnel management, workplace environment, and what type of environment results in high levels of employee productivity and efficiency. Joseph should conduct research in the area of __________ psychology. Which sentence bestexpresses Thoreau's meaningof the underlined passagefrom Section 17 of Walden?A. You will find success at a common time ifyou have a good imagination.B. If you try to live the life you haveimagined, you will find success at a timeyou don't expect it.C. Dreams and imagination are not thesame as really living life. Religion has influenced the cultures of many US regions. New England was shaped by itsNortheast, Pennsylvania's tradition of tolerance can be traced to itshistory ofsettlement.Resethistory. Elsewhere in thehistory. 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En un texto largo como saber cuales son las esdrujulas,agudas,graves,sobreesdrujula fin the domain of the function f(x)=x^2+7 Consider the following frequency table representing the distribution of hours students study for an exam in a week.Hours Students Study for an Exam in a WeekClass Frequency1020 32131 103242 64353 155464 6 Determine the relative frequency for the third class as a simplified fraction. How many different ways can the letters of Knitting be arranged A state's highway speed limits were 65 miles per hour in its flat land regions and 55 miles per hour its mountainous regions. To reduce traffic fatalities and combat the fact that most of the vehicles on state highways were exceeding posted speed limits, the state legislature proposed banning the use of radar detectors. Citizens in the mountainous regions of the state, where most of the state's highway fatalities occurred, generally supported the ban, but citizens in the flat regions of the state opposed the ban, so the legislature adopted a law banning use of radar detectors on any road with a speed limit below 60 miles per hour.A driver whose car was equipped with a radar detector lived in the mountainous region of the state but frequently drove to the state's flat region. While on a mountain highway with a posted speed limit of 55 miles per hour, the driver was pulled over by a state trooper for speeding. While approaching the driver's car, the state trooper noticed that the driver's radar detector was turned on. The trooper ticketed the driver for both speeding and illegal use of a radar detector. The driver challenges his ticket for use of the radar detector, arguing that it is unfair to allow people in the flat lands to use radar detectors while prohibiting residents of the mountainous region from using them.A. The state will have to prove that the ban serves a compelling state interest.B. The state will have to prove that the ban is rationally related to a legitimate state interest.C. The driver will have to prove that the ban does not serve a compelling interest.D. The driver will have to prove that the ban is not rationally related to a legitimate state interest. Fill in the Blank QuestionRead this assignment prompt. Then, answer the question.Choose a topic that is not currently included in Wikipedia and compose a Wikipedia article that explains this topic. 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