int *ptr = (int *) calloc(1000, sizeof(int)); what’s the correct usage of the free command to deallocate *ptr?
Answers
when using dynamic memory allocation in C, it's important to remember to deallocate the memory using free() to avoid memory leaks.
The correct usage of the free command to deallocate *ptr would be as follows:
free(ptr);
This will release the memory that was allocated using calloc() back to the system. It's important to note that after using free() to deallocate memory, it's good practice to set the pointer to NULL to avoid any potential issues with accessing memory that has already been released. The syntax for deallocating memory is simple - just pass the pointer to the allocated memory to the free() function.
Dynamic memory allocation frequently involves incorrect memory handling or management, which affects programme stability and performance. Make sure to use smart pointers, deallocate memory when it's no longer required, and check for allocation failures to ensure effective memory management practises.
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Related Questions
Team leaders do NOT choose which of the following?
Team members
Team facilitators
Team meetings
Team skills
Answers
Answer:
Team skills
Explanation:
The team leaders in a particular team do not choose D. Team skills.
A team leader refers to a person that is charged with the responsibility of providing instructions, guidance, leadership, and direction to a team in order to achieve a particular goal.A team leader chooses the members of a team. The team leader chooses the people that he or she believes will help the team to achieve their goals.Also, the team leader chooses the team facilitators and team meetings. The team leader selects the appropriate time that the team members will be available. This is done to ensure that every member of a team is available.It should be noted that the team leader doesn't choose the team skills. Every member of a team has different skills and everyone is unique in their own way.In conclusion, the team leader doesn't choose the team skills.
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when a picture is downloaded off the internet and then posted to social media, can the social media platform tell it was downloaded off the internet
Answers
How did tribes profit most from cattle drives that passed through their land?
A.
by successfully collecting taxes from every drover who used their lands
B.
by buying cattle from ranchers to keep for themselves
C.
by selling cattle that would be taken to Texas ranches
D.
by leasing grazing land to ranchers and drovers from Texas
Answers
The way that the tribes profit most from cattle drives that passed through their land is option D. By leasing grazing land to ranchers and drovers from Texas.
How did Native Americans gain from the long cattle drives?When Oklahoma became a state in 1907, the reservation system there was essentially abolished. In Indian Territory, cattle were and are the dominant economic driver.
Tolls on moving livestock, exporting their own animals, and leasing their territory for grazing were all sources of income for the tribes.
There were several cattle drives between 1867 and 1893. Cattle drives were conducted to supply the demand for beef in the east and to provide the cattlemen with a means of livelihood after the Civil War when the great cities in the northeast lacked livestock.
Lastly, Abolishing Cattle Drives: Soon after the Civil War, it began, and after the railroads reached Texas, it came to an end.
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The data link layer uses large portions of data, called , and transmits them over the layer.
Select one:
a. folders, physical
b. folders, transport
c. frames, physical
d. packets, network
Answers
The data link layer uses frames and transmits them over the layer.
The data link layer in computer networking is responsible for the reliable transmission of data between adjacent network nodes. It takes the data received from the network layer and encapsulates it into frames for transmission. A frame is a large portion of data that includes both the payload (actual data) and control information (such as source and destination addresses, error detection, and flow control). The frames are then transmitted over the physical medium, such as copper wires or optical fibers, using specific protocols and techniques. By using frames, the data link layer ensures the integrity and efficient delivery of data across the network.
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What are scientists going to explore next on Kepler-186f? A) evidence of the existence of life B) types of plant life that exist C) evidence of volcanic activity D) evidence of volcanic activity
Answers
Answer:
the answer is a)
Explanation:
Answer:
the answer is a
Explanation:
_____ and area calculations are used frequently to estimate costs for maintence and renovation projects
Answers
Budget
Pricing
Resources
Labor
What function affects the cookies downloaded into the host when playing a video clip?
security
privacy
APIs
embedded code
Answers
high level language - An object oriented programming language
Answers
•If you want an example of high level programming at the same time its object oriented one is example is “Python”
• If your question is what is high level programming and what is Object Oriented programming I’ll explain. ⬇️
High level programming is a computer language which is closer to human languages.
Object oriented programming- view the picture.
Can someone help me making a recursive code. There can't be any loops or global variables. These aren't allowed list.sort(), list.reverse(), list.insert(),
list.remove(), list.index(), list.count(), list.pop(), list.clear(), list.copy(). No LOOPS ALLOWED
CODE SHOULD BE RECURSIVE. Language should be Python.
Answers
lst = ([])
lst1 = ([])
def count_multiples(num1, num2, N):
if num1 > num2 and len(lst1) != 1:
lst1.append(1)
w = num2
num2 = num1
num1 = w
if num1 % N == 0:
lst.append(1)
if num1 >= num2:
return len(lst)
return count_multiples(num1 + 1, num2, N)
print(count_multiples(-10,-5,-3))
I only use lst.append so this should work. Best of luck.
Which of the following should be done by employees to protect against data breaches?
A) They should develop new exploits.
B) They should remove existing honeypots.
C) They should design methods for data extrusion.
D) They should conduct a walkthrough.
Answers
Employees should conduct a walkthrough (option D) to protect against data breaches. A walkthrough refers to the process of examining the security measures.
Which of the following should be done by employees to protect against data breaches?Protocols, and systems in place to identify potential vulnerabilities or weaknesses that could lead to a data breach.
This includes reviewing access controls, encryption methods, network configurations, and employee training programs.
Developing new exploits (option A), removing existing honeypots (option B), and designing methods for data extrusion (option C) are not actions that employees should take to protect against data breaches.
Instead, these activities may be associated with malicious intent or unauthorized actions that can contribute to data breaches.
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a holistic approach must be pursued or at least considered when identifying enterprise cyber security solutions, which incorporate policy, procedures, and technology. true false
Answers
A holistic approach must be pursued or at least considered when identifying enterprise cyber security solutions, which incorporate policy, procedures, and technology. The given statement is True.
What does "holistic" cybersecurity mean?The goal of holistic security is to integrate all the components used to protect an organisation, viewing them as one large, linked system. Determining stakeholder requirements and participation is the most important thing to take into account while assessing an IT governance implementation. This is what makes the project successful. The scope and goals of the assurance are established in light of this. A patient's whole health, including their physical, psychological, social, and spiritual welfare, should be taken into account in a holistic examination. Physical, intellectual, social, emotional, and spiritual growth are the five facets of holistic development.
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How does the fine print support the purpose of the CTA fare screen? Select two options. The fine print provides additional details about the CTA Reduced Fare permit. The fine print emphasizes the need for a reduced-fare program. The fine print helps riders determine if fare assistance is available. The fine print explains why different fares have been established. The fine print encourages riders to apply for the CTA Reduced Fare permit.
Answers
It should be noted that fine print supports the purpose of the CTA fare screen through the following ways:
The fine print provides additional details about the CTA Reduced Fare permit.The fine print helps riders determine if fare assistance is available.From the complete information, it should be noted that a transportation fare chart was given and it gave information about the Chicago transit authority fares.
In this case, it can be deduced that the fine print provides additional details about the CTA Reduced Fare permit and it helps riders determine if fare assistance is available.
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Answer:
a and c
Explanation:
i cracked a school computer screen on purpose and one on accident what will happen now?
Answers
Answer:
You will probably have to pay a fee of replacement, or pay for the whole computer.
Explanation:
What are some ways tables can be inserted into a document? Check all that apply
•drawing table
•using a dialog box
•using quick tables
•using the save options
•converting an image to a table
•adding an excel spreadsheet
Answers
Answer:
drawing tableusing quick tablesconverting an image to a table.Answer:
its 1. 2. 3. 6.
Explanation:
Your help desk has informed you that they received an urgent call from the vice president last night requesting his logon ID and password. You discussed about the call with the VP today and you got to know he never made that call. What type of attack is demonstrated in the given scenario
Answers
Answer:
Social Engineering Attack
Explanation:
The exploitation of individuals in order to gain confedential information is a Social Engineering Attack. These attacks typically take advanage of one's emotions or they use inpersonaltion to steal data.
read more here: https://www.webroot.com/us/en/resources/tips-articles/what-is-social-engineering
Lmk if this helps! :)
Assume the following: The memory is byte addressable. . Memory accesses are to 1-byte words (not to 4-byte words). .. Addresses are 10 bits wide The cache is 2-way associative cache (E-2), with a 8-byte block size (B-8) and 4 sets (S-4) . The following figure shows the format of an address (one bit per box). Indicate (by labeling the diagram) the fields that would be used to determine the following: CO-The cache block offset CI-The cache set index CT-The cache tag 6 4 0 A cache with this configuration could store a total of 1024xbytes of memory (ignoring the tags and valid bits).
Answers
CO: The 3 least significant bits of the address.
CI: The 2 middle bits of the address.
CT: The 5 most significant bits of the address.
To determine the cache block offset (CO), we need to look at the 3 least significant bits of the address, as these bits specify the byte within the 8-byte cache block that we want to access.
To determine the cache set index (CI), we need to look at the 2 middle bits of the address, as these bits specify which set within the cache the block belongs to.
Finally, to determine the cache tag (CT), we need to look at the 5 most significant bits of the address, as these bits specify the unique identifier for the block within the cache.
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How does entertainment relate to coding?
Answers
Answer:
not sure if this is the type of answer you're looking for but: Entertainment can relate to coding because in TV shows and movies, there is lots of editing. Especially with cartoons. Inorder to make these, we have to use coding. This can even relate to real life plays and preformenses depending on how much technology you use to preform them.
define computer software
Answers
Answer:
It is any program on a computer that you cannot touch or clean by yourself. EX: Windows.
Have A Nice Day!
Why is compression important for video
streaming?
Oto increase the number of frames per second
so that motion appears smooth
Oto watch video without waiting for it to
download
O to improve image quality
O to increase file size
DONE✔
Question
Answers
Compression, important for video streaming to watch video without waiting for it to download.
The technique of compressing a video file such that it takes up less space than the original file and is simpler to send across a network or the Internet is known as video compression.
Since compression makes it possible for video data to be transferred over the internet more effectively, it is crucial for video streaming. The video files are often huge, they would take an extended period to download or buffer before playback if they weren't compressed.
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Crack the secret message: Crrp, Crrp, Crrp Zh’uh jrlqj wr wkh prrq. Li brx zdqw wr wdnh d wuls, Folpe derdug pb urfnhw vkls. (hint: the original letters were shifted,for example if it is shifted by 1 that means Z becomes A , A becomes B, etc. You need to know the number of shifts)
Answers
Answer:
Zoom, Zoom, Zoom We’re going to the moon. If you want to take a trip, Climb aboard my rocket ship.
Explanation:
I got it. This is a caesar cipher with 3 shifts.
How do you open a new finder window in the macos mojave operating system?
Answers
The way to open a new finder window in the Macos Mojave operating system is to Click the File menu and click New Finder Window.
What is macOS Mojave used for?The term macOS Mojave is known to be one that helps a person to be able to completely work on Mac App Store.
Note that macOS Mojave is said to be the fifteenth in the series release of macOS and that of the Apple Inc.'s desktop operating system and it is one that is said to be made for Macintosh computers.
Hence, The way to open a new finder window in the Macos Mojave operating system is to Click the File menu and click New Finder Window.
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universal containers created a new product line with a special sales team to sell the products. the sales process for the new line is more complex than the current sales process. the system administrator added new picklist values to the stage field for use by the new sales team. how should the system administrator configure salesforce to ensure only the appropriate stages are visible based on the product line
Answers
Create a sales process and Opportunity record type for each product line. You may organise and collect various data on a single object with the aid of record types.
What are the record types?You can categorise data in contacts, accounts, deals, and custom modules using Record Types so that users in various positions can access and modify data in the CRM in various ways. Different field permissions and data scoping for each record type and role make this possible.Both clients and vendors would be catered to by an Acme salesperson. Both contacts and vendors would require distinct data that the salesman would wish to record.One of the most erroneously used and misunderstood aspects of Salesforce is its Record Types tool. Record Types have a lot of advantages, but individuals sometimes overestimate their capabilities or become overly enthusiastic and try to utilise them for everything when it may not be essential.When Record Types are used properly, you may enhance data quality, decrease manual labour requirements, simplify workflows, and give end users more time to concentrate on their core tasks.To learn more about Record Type refer :
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the four tests of a resource's competitive power are often referred to as the
Answers
The four tests of a resource's competitive power are often referred to as the VRIN criteria.
These criteria are used to determine whether a resource is valuable, rare, inimitable, or non-substitutable.
V: ValuableR: RareI: InimitableN: Non-substitutable
The VRIN criteria are a tool for analyzing a company's resources and determining whether they can provide a sustainable competitive advantage.
A resource must meet all four of these criteria to be considered a source of competitive advantage.
Valuable: A resource is valuable if it helps the company to exploit an opportunity or neutralize a threat. Valuable resources are those that can help a company to increase its revenue, reduce its costs, or improve its operations.
Rare: A resource is rare if it is not possessed by many other companies.
Rare resources are those that are not widely available in the market.
Inimitable: A resource is inimitable if it is difficult or impossible for other companies to copy.
Inimitable resources are those that are protected by patents, copyrights, or other legal barriers.
Non-substitutable: A resource is non-substitutable if there are no other resources that can be used in its place.
Non-substitutable resources are those that are unique to the company and cannot be easily replicated by its competitors.
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write a class that encapsulates data about an office worker. the class should store the following things: • employee number • office number • name (first and last) • birthdate • total number of hours worked • total number of overtime hours worked your class should also implement the following methods: • get employee number() o returns the employee number • set employee number() o changes the employee number • get office number() o returns the office number • set office number() o if the office number given is less than 100 or greater than 500 return false, otherwise return true • get name() o returns the employee’s name • set name() o changes the employee’s name • set birthdate() o changes the employee’s birthdate o the function should return true if the month is 1-12 and the day is 1-31 (don’t worry about which month has how many days) and false if an invalid day or month is entered.
Answers
A sample program that writes a class that encapsulates data about an office worker and stores office number and effectively calculates the age of the worker is given below:
The Program// c program for age calculator
#include <stdio.h>
#include <stdlib.h>
// function to calculate current age
void findAge(int current_date, int current_month,
int current_year, int birth_date,
int birth_month, int birth_year)
{
// days of every month
int month[] = { 31, 28, 31, 30, 31, 30,
31, 31, 30, 31, 30, 31 };
// if birth date is greater than current date
// then do not count this month and add 30
// to the date so as to subtract the date and
// get the remaining days
if (birth_date > current_date) {
current_date
= current_date + month[birth_month - 1];
current_month = current_month - 1;
}
// if birth month exceeds current month, then do
// not count this year and add 12 to the month so
// that we can subtract and find out the difference
if (birth_month > current_month) {
current_year = current_year - 1;
current_month = current_month + 12;
}
// calculate date, month, year
int calculated_date = current_date - birth_date;
int calculated_month = current_month - birth_month;
int calculated_year = current_year - birth_year;
// print the present age
printf("Present Age\nYears: %d Months: %d Days:"
" %d\n",
calculated_year, calculated_month,
calculated_date);
}
// driver code to check the above function
int main()
{
// current dd// mm/yyyy
int current_date = 7;
int current_month = 12;
int current_year = 2017;
// birth dd// mm// yyyy
int birth_date = 16;
int birth_month = 12;
int birth_year = 2009;
// function call to print age
findAge(current_date, current_month, current_year,
birth_date, birth_month, birth_year);
return 0;
}
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When you insert a copy of Excel data into a Word document the data is __________ in the Word document
Answers
Answer:
I don't know if I get a chance to get through
The program gets an input value into variable numBaths. Write code that outputs the value of variable numbaths. End with a newline.
Answers
The code that that outputs the value of variable numbaths when the program gets an input value into variable numBaths. will be;
#include <iostream>
int main() {
int numBaths;
std::cin >> numBaths;
std::cout << numBaths << std::endl;
return 0;
What is a program?A program is a predetermined set of sequential activities that a computer is programmed to carry out. The computer executes the program's one-at-a-time series of instructions. The application is often stored in a location that the computer can access.
A program, or software program, is a set of instructions that tells a computer's hardware how to carry out a task. In this case, the code is depicted above.
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2. Write a QBASIC program to enter a number and print whether its even or odd.
Answers
In order to determine if a number is even or divisible by two (i.e., divisible by two), this application first asks the user to enter a number. If num MOD 2 yields a value of 0, 0.
How can a software that determines if a number is even or odd be written?The necessary code is shown below. Number = int (input) (“Enter any number to test whether it is odd or even: “) if (num % 2) == 0: print (“The number is even”) else: print (“The provided number is odd”) Output: Enter any number to test whether it is odd or even: 887 887 is odd.
CLS
INPUT "Enter a number: ", num
IF num MOD 2 = 0 THEN
PRINT num; " is even."
ELSE
PRINT num; " is odd."
END IF
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Drag the system component on the left to the device or program that fits with the system component.
Answers
Answer:
A. Back up software - Utility software
B. Printer - Device drivers
C. Camera - Firmware
D. Television - Firmware
E. Games console - Firmware
F. Antivirus software - Utility software
G. Disk Cleaner - Utility software
H. Video Card - Device drivers
Explanation:
Computer system components are the physical or hardware and software parts of the device. It is a combination of system software like utility software, device drivers and firmware, application software, and the hardware components and kernel.
Can anyone help me with a mental ability work plzz
Answers
choose the correct option:
1) using
2) is
3) use
4) to eat
5) use
List 5 applications for working with text
Answers
Answer:
TTSReader, Go2PDF, Free File Merge, Batch Text File Editor
Explanation: