Answers
1) Turing proposed a rudimentary computational model that became the definition of computable. A function is deemed computable if and only if it can be computed using Turing's computation model.
Hartmanis and Stearns utilized the Turing model to create complexity classes, which was a significant step forward. This then formalized the intuitive concept of polynomial time algorithms. It aided in the development of asymptotic complexity as a method for comparing algorithm performance.
Another significant innovation was the Turing model's introduction of the concepts of an extremely rapid description of computation and a valid computation. An instantaneous definition is a string that fully explains a computation at a single point in time. A correct calculation is a series of immediate descriptions. Despite the fact that Turing's model was fairly simple, it was this simplicity that led to significant achievements in computer science.
2) The Turing test, invented by Alan Turing in 1950 as the imitation game, is a test of a machine's capacity to demonstrate intelligent behavior comparable to, or unrecognizable from, that of a person.
Put differently, the Turing Test is a way of testing whether or not a machine is able to reason like a human being in artificial intelligence (AI).
3) Electrostatic discharge (ESD) occurrences can cause damage to electronic components within your computer. ESD may accumulate on your body or an object, such as a device, and then discharge into another element, like as your computer, under specific conditions.
Touching a metal-grounded item (such as an exposed surface of the metal on your computer's I/O panel) before interacting with anything electrical will guard against ESD and discharge static energy from your body.
What is the Turing Machines?The Turing machine is a hypothetical computer system proposed by English mathematician and logician Alan M. Turing in 1936.
Today, Turing is most known for his work as a computer scientist. In 1936, he devised the Universal Turing Machine, which served as the foundation for the first computer. In 1950, he created an artificial intelligence test that is still in use today.
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Related Questions
What method would you use to search a number in an organized array of number
Answers
The method that can be used to search a number in an organized array of numbers would be the "sequential search algorithm."
What is an array? What is it used for?
A collection of elements, each of which is identified by at least one index or key, is referred to as an array in computer science. Each element of an array is recorded such that a mathematical formula can be used to determine its position from its index tuple.
When several variables of the same type must be used, arrays are employed. It is used to hold a collection of data, although it is more helpful to see an array as a group of variables of the same type. You can declare and use arrays. The types and quantity of items that must be included for an array must be specified by the programmer.
Solution Explained:
The sequential search algorithm is the simplest method to search for a number in an organized array since the function checks each element in the array, starting from the first and ending with the last one, to see if it matches the desired value. As soon as a match is discovered, the function returns the index of the element whose value corresponds to the desired value.
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The index of a book is found in one of these parts of the
Answers
Answer: Located in the back of the book, an index helps a reader locate key terms, concepts, and ideas that were referenced in the contents of your book. Each term or concept has a corresponding page number.
Explanation:
Write a program to input student's
name,marks obtained in four different
subjects, find the total and average marks in Qbasic
Answers
The program to input the student's name and marks obtained in four different subjects, find the total and average marks in Qbasic:
CLS
INPUT " Student Name "; S
INPUT " English Marks "; EM
INPUT " Maths Marks "; MM
INPUT " History Marks "; HM
INPUT " Geography Marks "; GM
INPUT " Marks in Total "; MT
LET TMS = EM + MM + HM + GM
LET p = TMS / MT * 100
PRINT " Student name is "; S
PRINT " Total "; TMS
PRINT " Percentage " ; p
END
What is QBasic?
QBasic is an integrated programming environment and interpreter for a number of QuickBASIC-based BASIC dialects. When code is entered into the IDE, it is first compiled into an intermediate representation (IR), which the IDE then executes on demand.
QBasic is incredibly simple to learn, use, and can construct corporate applications, games, and even basic databases. It provides commands like SET, CIRCLE, LINE, and others that let programmers draw using Qbasic.
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Write a C++ program, which can ask user for login credentials, using Nested If-else
Statement. (Note: Code must have more than one Username support), also ask user for
another entry using do-while loop.
Answers
Using the knowledge in computational language in C++ it is possible to write a code that write a program that ask user for login credentials, using Nested If-else Statement.
Writting the code:#include <iostream>
#include <cctype>
#include <string>
#include<fstream>
using namespace std;
/*Implements a method to validata the password*/
bool validatePasswordProcess(char passwordValidate[]);
/*main program*/
int main()
{
/*declares the varibles*/
const int SIZEVAL = 7;
char passwordValidate[SIZEVAL];
string UserName,lineFile;
/*declares the file variable*/
ifstream userFile;
/*opens the file*/
userFile.open ("users.txt");
/*Entering the user name*/
cout<<"Enter UserName:";
/*Getting the user Name*/
cin>>UserName;
/*checks whether the file is open*/
if(userFile.is_open())
{
/*getting the lines*/
while(getline(userFile,lineFile))
{
/*printing the data in the file*/
//cout<<lineFile<<endl;
}
/*checks the end of file*/
while(!userFile.eof())
{
/*compares the username*/
if(UserName.compare(lineFile)==0)
{
/*prints the message*/
cout<<"UserName is available";
}
}
}
/*else statement*/
else
{
/*prints the message*/
cout<<"UserName not found";
exit(1);
}
/*Getting the password for validation*/
cout << "PLEASE ENTER A PASSWORDVALIDATE THAT'S 8 CHARACTERS LONG " << endl;
cout << "AND AT LEAST ONE UPPER AND LOWERCASE LETTER " << endl;
cout << "AND ALSO AT LEAST ONE DIGIT " << endl;
/*Getting the password*/
cin >> passwordValidate;
/*checks the password Length*/
if (strlen(passwordValidate) < 8)
{
/*password validation message*/
cout << "PASSWORD NOT LONG ENOUGH, PLEASE TRY AGAIN";
cin >> passwordValidate;
}
/*calls the validatePassword function*/
if (validatePasswordProcess(passwordValidate))
cout << "THAT'S A VALID PASSWORDVALIDATE";
/*closing the file*/
userFile.close();
return 0;
}
/*Implements the nethod for validating the password*/
bool validatePasswordProcess(char passwordValidate[])
{
/*Declares the variables*/
int countValue;
int upperCase = 0;
int lowerCase = 0;
int digitCompute = 0;
/*loop to check through each of the validation*/
for (countValue = 0; countValue < 6; countValue++)
{
/*checks isUpper case*/
if (isupper(passwordValidate[countValue]))
{
upperCase++;
}
/*checks islowercase*/
else if (islower(passwordValidate[countValue]))
{
lowerCase++;
}
/*checks whether it is digit or not*/
else if (isdigit(passwordValidate[countValue]))
{
digitCompute++;
}
}
/*validates the upper case*/
if (upperCase == 0)
{
cout << "NO UPPERCASE CASE, PLEASE TRY AGAIN ";
cin >> passwordValidate;
}
/*check the lower case*/
else if (lowerCase == 0)
{
cout << "NO LOWERCASE CASE, PLEASE TRY AGAIN ";
cin >> passwordValidate;
}
/*checks whether it is a digit*/
else if (digitCompute == 0)
{
cout << "NO DIGITE, PLEASE TRY AGAIN ";
cin >> passwordValidate;
}
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Computers are used more extensively than ever for tasks such as banking,
investing, shopping and communicating. Do you see this trend as having a
positive or a negative impact on our society and economy? Give reasons to
support your answer.
Answers
More people than ever utilize computers for everyday functions including banking, investing, shopping, and chatting. I think that this trend is having a negative effect on our society and economy. I think so because although our lives have been made easy by the computer doing such tasks for us, in later years technology will be so advanced that we wouldn't even have to lift a finger to do anything and if something happens to the computers who are doing our tasks for us, our bodies and minds won't be able to have the same strength it once had when these tasks were done manually by us. Even the jobs of many will be lost and there will be a lot of poverty if these computers take over the jobs of people doing these tasks manually. These are my reasons for this trend having a negative impact on our society and economy.
How has technological advancement affected our world?
Our world and way of life have undergone a transformation thanks to technology. In addition, technology for seniors has produced incredible tools and resources that have put practical information at our fingertips.
Multipurpose devices like smartphones and smartwatches are now possible thanks to modern technology. Nowadays, computers are more powerful, portable, and faster than ever. Along with all of these breakthroughs, technology has contributed to making our lives easier, faster, better, and more fun.
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----is emerging as the most significat response to the demands of individual learning
Answers
Answer:
The most significant response to the demands of individual learning is the development of personalized learning.
1. Identify at least 3 security vulnerabilities on the HQ LAN.
Answers
There are numerous types of network vulnerabilities, but the following are the most prevalent and The three security vulnerabilities of the LAN are Malware, Outdated or unpatched software and Misconfigured firewalls.
Common LAN Network Security Issues :
Internal Security Threats: Human error accounts for more than 90% of cyberattacks. Instances of this include phishing scams, hasty decisions, using unsecure passwords, and more.Distributed Denial-Of-Service (DDoS) Attacks: Websites that are subjected to DDoS attacks frequently crash, have technical difficulties, or load slowly. Cybercriminals infect internet-connected devices (such as computers, smartphones, and other devices) in these situations, turning them into bots. The bots are sent to a victim's IP address by hackers.Malware: Malware are malicious software applications that are used to gather data on victims from infected devices. After successful deployments, hackers can mine devices for sensitive data (such as email addresses, bank account numbers, and passwords) and use it for identity theft, extortion, or other damaging business practices.To know more about LAN, visit: https://brainly.com/question/8118353
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Which phrase best describes the hardware layer of computing abstraction?
A. The physical components of a computing system
B. The interface that allows users to run programs
C. The programs that give computers instructions
D. The system that manages a device's resources
Answers
Answer:
A. The physical components of a computing system
Explanation:
think of hardware like the hard, physical, tangible parts of your computer. hope this helped!!
"Computer hardware includes the physical parts of a computer, such as the case, central processing unit (CPU), random access memory (RAM), monitor, mouse, etc..."
#For this check-in, your goal is to write an agent that can
#play tic-tac-toe.
#
#How do you code an agent that plays tic-tac-toe? Well, you
#code an agent that plays a single move in a tic-tac-toe game.
#Then, we run a game, passing the board back and forth between
#your agent and an opponent.
#
#So, all you need to do is write a function called move. move
#should have one parameter, a list of lists. The parameter
#will always be a 3x3 list of characters. Every item in the
#3x3 list will be either a space (empty), U (Us), or T (Them).
#We're using U and T instead of X and O so that your agent
#doesn't have to worry about whether it's playing as X or O:
#you always play as U.
#
#Your move function should always return a tuple with two
#integer representing the coordinate where you want to play, row
#then column. For example, returning (0, 0) would play in the
#top left. Returning (0, 2) would play in the top right (row 0,
#column 2). Returning (2, 0) would play in the bottom left (row
#2, column 0). Returning (2, 2) would play in the bottom right
#(row 2, column 2).
#
#Remember, you're only coding an agent to play a single move
#in a tic-tac-toe game; it's given a board and it returns a
#single move. The board it receives might be empty, it might
#be partially-played, or it might have only a single possible
#move remaining. You may assume that the game board is valid
#(e.g. no one has yet won the game).
#
#In order to pass this check-in, all you have to do is write
#an agent that can play a move in any valid board: it never
#tries to play in a spot that has already been played or to
#play a move out of range. Beyond that, it does not matter if
#your agent wins or loses, or how it selects the move to play.
#Add your move() function here!
Please help me, I've been working on this for HOURS and about to cry
Answers
Using knowledge in computational language in python it is possible to write a code that play the game tic tac toe that code an agent that plays a single move in a tic-tac-toe game.
Writting the code:# tic_tac_toe/logic/models.py
import enum
import re
from dataclasses import dataclass
from functools import cached_property
# ...
dataclass(frozen=True)
class Grid:
cells: str = " " * 9
def __post_init__(self) -> None:
if not re.match(r"^[\sXO]{9}$", self.cells):
raise ValueError("Must contain 9 cells of: X, O, or space")
def x_count(self) -> int:
return self.cells.count("X")
def o_count(self) -> int:
return self.cells.count("O")
def empty_count(self) -> int:
return self.cells.count(" ")
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Which network configuration would be typical of a private deployment model?
A) IP address: 10.0.0.20
B) IP addresses: 10.0.0.20 and 54.238.123.12
Answers
A network configuration would be typical of a private deployment model is: A) IP address: 10.0.0.20.
What is an IP address?In Computer technology, an IP address is an abbreviation for Internet protocol address and it can be defined as a unique set of numbers that are assigned to a network device such as a computer, website or other network devices such as routers, switches, etc., in order to successfully 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).In this scenario, the IP address: 10.0.0.20 is an internet protocol (IP) address which most likely represent a private deployment model that can be used in homes.
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8
What is a serial advanced technology attachment (SATA) cable used for?
O A.
to connect storage devices to the motherboard
to connect RAM to the CPU
to connect the heat sink to the motherboard
OB.
Reset
Next
Answers
SATA is used to know how data is transferred
What is SATA?
Hard disc drives (HDDs), optical drives, and solid-state drives are examples of mass storage devices. Serial ATA (Serial Advanced Technology Attachment, or SATA) is a command and transport protocol that outlines how data is transferred between a computer's motherboard and these types of mass storage devices (SSDs).
features of SATA:
Serial SATA controller hardware, which also controls data flow, is used to link HDDs and SSDs to a computer's motherboard. The hard disc may be detected as a PATA device when SATA is in IDE mode. Performance is compromised, but the arrangement makes it easier to use with older technology.
Performance is improved when a SATA controller is set to Advanced Host Controller Interface (AHCI) rather than IDE mode. The hot switching of discs and external interfaces is supported by AHCI. Both AHCI capabilities and RAID data security features are supported by the RAID mode.
Hence to conclude using SATA we can increase the performance
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Write a program that prompts the user for their age and determines if they are a teenager. Someone is a teenager if their age is greater than or equal to 13 and less than or equal to 19.
Answers
Using the knowledge in computational language in python it is possible to write a code that prompts the user for their age and determines if they are a teenager.
Writting the code:from datetime import date
todayDate = date.today();
DOB = input("Please enter your Date of Birth: ");
currentYear = todayDate.year;
age = (int(currentYear) - int(DOB));
print(f'Your current age is: {age}');
print ("\n")
if age <= 5:
print("You are a baby.")
elif age >= 5 and age < 13:
print("You are a toddler")
elif age >= 13 and age < 18:
print("You are an teenager")
elif age >= 18 and age < 60:
print("You are an adult.")
elif age >= 60:
print("You are a senior Citizen")
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What type of attack is occurring when a counterfeit card reader is in use
Answers
Answer:
skimming
Explanation:
skimming is the term that means to capture credit card info from a counterfeit card reader.
A compound conditional is a type of selection that uses statements with ____________ or more logical conditions.
Answers
A compound conditional is a type of selection that uses statements with control or more logical conditions.
What are the applications of compound conditional statements?It is possible to test two conditions with compound conditionals in a single sentence. In Blockly, there are two methods to complete this using just one block! You can check to see if a statement's two criteria are true or simply the first one.
Therefore, When defining a constraint, compound logic operators like AND, NOT, and OR are utilized to connect expressions. For instance: Item C is required by (Condition A AND Condition B). Boolean operators are another name for compound logic operators.
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How can you add pictures to your presentation?
Group of answer choices
Select the Effect Options command.
Select the Picture icon on your slide.
Select the Text Box option.
Select the Variants group in the Picture tab.
Answers
The way that you add pictures to your presentation is by option C: Select the Text Box option.
How may images be added to a presentation?After clicking the image, select the Format Picture tab. Select Picture Effects, then point to a certain effect type before selecting the desired effect. Click Options at the bottom of any effect menu to customize the effect.
Therefore, One can also do so by:
Choose a spot on the slide and click to insert the image there.Select Pictures from the Images group on the Insert tab, then select This Device.Navigate to the image you wish to insert, click it in the dialog box that appears, and then select Insert.Learn more about presentation from
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3.6 Consider the following variable declarations.
boolean a = true, b = false;
int k = 7;
In which expression will short-circuiting occur?
Answers
Answer:
Explanation:
Necessary:
var a, b : boolean;
k : integer;
begin
a := true;
b := false;
k := 7;
end.
When do you use while loop instead of a for loop?
Group of answer choices
1: To loop exactly 10 times
2: To perform number calculations
3: To loop until a certain condition is reached
4: To make sure a correct number is entered
Answers
A while loop is used until a certain condition is reached unknown number of times.
Option 3
What is the difference between a while loop and a for loop?
Both the for loop and the while loop is used to execute the statements repeatedly while the program is running. The main distinction between the for loop and the while loop is that the for loop is used when the number of iterations is known, whereas the while loop executes until the statement in the program is proven incorrect.
Iteration refers to a single execution of the loop body. In the preceding example, the loop iterates three times.
If i++ were not present in the preceding example, the loop would (in theory) continue indefinitely. In practice, the browser provides methods to stop such loops, and we can kill the process in server-side JavaScript.
Any expression or variable, not just comparisons, can be used as a loop condition: while evaluating the condition and converting it to a boolean.
Hence to conclude use a while loop instead of a for loop, To loop until a certain condition is reached
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Modify the following program to display the sales tax with two digits after the
decimal point.
Answers
Using the knowledge in computational language in python it is possible to write a code that modify the following program to display the sales tax with two digits after the decimal point.
Writting the code:county_tax_rate = 0.02
state_tax_rate = 0.04
tax_rate = county_tax_rate + state_tax_rate
item_price = float(input("Please enter the price of your item: "))
item_price = int(100 * item_price) # Item price in cents
total_price = item_price * (1 + tax_rate) # Total price in cents
print("Your Total Sales Cost is ${:0.2f}".format(total_price / 100.0))
print("Your Purchase Amount was ${:0.2f}".format(item_price / 100.0))
print("Your County Tax Rate was {}%".format(int(county_tax_rate * 100)))
print("Your State Tax Rate was {}%".format(int(state_tax_rate * 100)))
print("Your Total Tax Rate was {}%".format(int(tax_rate * 100)))
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Which are behaviors to avoid in the computer classroom? Select 3 options.
Responses
Answers
The three examples of behaviors to avoid in the computer classroom include the following:
drinking a soda. changing the cords connected to the computer. opening emails from strangers.What is a computer?A computer can be defined as an electronic device that is designed and developed to receive data in its raw form as an input and it processes these data into an output (information), which can be used to perform a specific task through the use of the following computer parts:
Monitor screenMouseKeyboardMotherboardSpeakers.Hard-disk driveIn a computer classroom, it is very important for all students to avoid taking or drinking any form of drink such as soda, water, etc., because it could spill on the computer hardware and damage it or cause electrocution. Additionally, students should avoid opening email sent by strangers and changing the cables (cords) that are used for computer connections.
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Complete Question:
Which are behaviors to avoid in the computer classroom? Select 3 options.
drinking a soda
changing the cords connected to the computer
treating others the way you would like to be treated
opening emails from strangers
HELP
Patents, trademarks, and copyrights protect _____.
a) women
b) waivers
c) intellectual property
d) netiquette
Answers
Answer: C) Intellectual Property
Answer:
THE ANSWER IS C
Explanation:
What is edge computing?
O moving large amounts of data closer to the center of the Cloud
O using "cutting-edge" technology to create more powerful computers
O putting computing closer to the users and devices creating data
O making decisions based on predetermined high-level data forecasts
O I don't know this yet.
Answers
Moving large amounts of data closer to the center of the Cloud is termed as Edge Computing because Edge is about processing data more quickly and in greater volume close to the point of generation, enabling action-driven results in real time.
What is Edge Computing?
A variety of networks and devices that are at or close to the user are referred to as edge computing, an emerging computing paradigm.
Edge is about processing data more quickly and in greater volume close to the point of generation, enabling action-driven results in real time.
A distributed computing framework called edge computing brings business applications closer to data sources like IoT gadgets or regional edge servers.
Strong business advantages, including quicker insights, quicker response times, and better bandwidth availability, can result from being close to the source of the data.
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What is the contribution of 5G and Edge computing to society
Answers
Mark as Certified Brainly for more genuine answer.
A teacher has five students who have taken four tests. The ten her uses the following grading scale to assign a letter grade to a student, based on the average of his or her four test scores:
Write a class that uses a string array to hold the five students' names, an array of five characters to hold the five students' letter grades, and five arrays of four doubles each to hold each student's set of test scores. The class should have methods that return a specific student's name, the average test score, and a letter grade based on the average.
Demonstrate the class in a program that allows the user to enter each student's name and his or her four test scores. It should then display each student's average test score and letter grade.
Input Validation: Do not accept test scores less than zero or greater than 100.
Answers
The program for the class will be:
import java.util.Scanner;
class Gradecalculator
{
static String [] names=new String[5];
static char [] grades=new char[5];
static double [][] testscore=new double[5][4];
protected char[] calculate(double [][] testscore)
{
double total[]=new double[5];
for(int i=0;i<5;i++)
{
for(int j=0;j<4;j++)
{
total[i]=0;
}
}
for(int i=0;i<5;i++)
{
for(int j=0;j<4;j++)
{
total[i]=total[i]+testscore[i][j];
}
}
for(int i=0;i<5;i++)
{
total[i]=total[i]/4;
}
for(int i=0;i<5;i++)
{
if(total[i]>=90&&total[i]<=100)
grades[i]='A';
else if(total[i]>=80&&total[i]<90)
grades[i]='B';
else if(total[i]>=70&&total[i]<80)
grades[i]='C';
else if(total[i]>=60&&total[i]<70)
grades[i]='D';
else
grades[i]='F';
}
return(grades);
}
}
public class Grade extends Gradecalculator {
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
Grade ob=new Grade();
System.out.println("enter the name of students");
for(int i=0;i<5;i++)
{
System.out.println((i+1)+"student");
names[i]= sc.nextLine();
}
System.out.println("enter the test scores of students");
for(int i=0;i<5;i++)
{
System.out.println("STUDENT "+(i+1));
for(int j=0;j<4;j++)
{
System.out.println("TEST "+(j+1));
testscore[i][j]=sc.nextDouble();
if(testscore[i][j]>100)
{
System.out.println("in appropriate value TRY AGAIN");
j--;
continue;
}
}
}
System.out.println
("OK INPUT COMPLETE WANT TO KNOW THE FULL RESULTS Y/N");
String resp=sc.next();
ob.calculate(testscore);
if(resp.equals("Y"))
{
System.out.println("------------DISPLAYING RESULTS-----------") ;
System.out.println("STUDENT NAME \t\t GRADES");
for(int i=0;i<5;i++)
{
System.out.println(names[i]+"\t\t"+grades[i]);
}
System.out.println("want to check individual scores \n enter the student number");
int n=sc.nextInt();
try
{
System.out.println("STUDENT NAME "+names[n-1]+" GRADES "+grades[n-1]);
System.out.println("INDIVIDUAL TEST SCORES");
for(int i=0;i<4;i++)
{
System.out.println(testscore[n-1][i]);
}
}
catch(Exception e)
{
System.out.println("this student does not exist");
}
}
else
{
System.out.println("CLOSING");
}
}
}
What is a program?A computer program is a set of instructions written in a programming language that a computer can execute.
Software includes computer programs as well as documentation and other intangible components. Source code refers to a computer program in its human-readable form.
In this case, the class in a program that allows the user to enter each student's name and his or her four test scores is illustrated.
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The hardware components that write data to storage media storage devices true or false
Answers
Answer:
True
Explanation:
i think i am right computer forever
partcipate in workplace meeting and discussions
Answers
Aser:
Explanación:
para tu rspuesta tiens que explicar que participar en reuniones no es solo discuciones solo aprender de la pregunta
Choose the correct term to complete the sentence
A ____ has function that allow you to appendleft and pop left.
O Deck
O amplified list
O deque
O list
Answers
What do you mean by deque?
Image result for deque
Deque is a data structure that inherits the properties of both queues and stacks. Additionally, the implementation of this data structure requires constant time, i.e., time complexity = O(1). This means you can use deque to your advantage to implement both the queue and stack.
Write a program that asks the user for a string, then searches the alice.txt file and returns the number of times that string occurs in the file. We're keeping this one simple and just looking for the *string sequence*, so if you searched for "Bob", then "Bob", "Bobby" and "SpongeBob" would each be counted. The search is case sensitive!
This can be done with a short, simple function if you read in the whole file. No loops!
Make sure your code looks like mine:
```
Enter a string to count: to
The sequence appears 60 times.
```
Answers
Using the knowledge in computational language in python it is possible to write a code that asks the user for a string, then searches the alice.txt file and returns the number of times that string occurs in the file.
Writting the code:def count_letter(content, letter):
""" Count the number of times `letter` appears in `content`."""
if (not isinstance(letter, str)) or len(letter) != 1:
raise ValueError('`letter` must be a single character string.')
return len([char for char in content if char == letter])
def count_letter(content, letter):
"""Count the number of times `letter` appears in `content`.
Args:
content (str): The string to search.
letter (str): The letter to search for.
"""
if (not isinstance(letter, str)) or len(letter) != 1:
raise ValueError('`letter` must be a single character string.')
return len([char for char in content if char == letter])
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Which of the following statements is false? a javascript identifier
a is case-sensitive
b. can start with a $ sign
c. can start with a number
d. can be more than 128 characters long
Answers
The statement that is false about javascript identifier is option C: can start with a number
What makes an identifier in JavaScript valid?A variable, function, or property's identifier is a string of characters in the code. Identifiers in JavaScript can contain Unicode letters, $, _, and digits (0–9) but cannot begin with a digit. They are also case-sensitive. 20
Therefore, Generally speaking, a JavaScript identifier begins with a letter, an underscore (_), or a dollar symbol ($). The following characters may also be numbers ( 0 – 9 ). Because of the case sensitivity of JavaScript, letters consist of the characters A through.
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31
What is the different between Diaster.
and data inters integrity.
Answers
A disaster is a catastrophic event, typically one that is sudden and damaging.The accuracy and completeness of data are defined as data integrity.
What do you mean by Data integrity?
Data integrity is a crucial component of the design, implementation, and use of any system that stores, processes, or retrieves data. It is the preservation and assurance of data accuracy and consistency over the course of its full life-cycle. The phrase has a wide range of applications and can signify quite different things depending on the situation, even within the same broad computing context. Data integrity requires data validation, which is sometimes used as a stand-in for data quality. The opposite of data corruption is data integrity. Any data integrity technique has the same main goal: to make sure data is recorded exactly as intended. Additionally, make sure the information is accurate when it is later retrieved.
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you have just configured the password policy and set the minimum password age to 10. what is the effect of this configuration?
Answers
Answer:
User cannot change the password for 10 days.