3. [10 points.] Answer the following questions. (a) What is the formula that find the number of elements for all types of array, arr in C. [Hint: you may use the function sizeof(] (b) What is the difference between 'g' and "g" in C? (c) What is the output of the following C code? num = 30; n = num%2; if (n = 0) printf ("%d is an even number", num); else printf ("%d is an odd number", num);
(d) What is the output of the following C code?
n = 10; printf ("%d\n", ++n);
printf ("%d\n", n++); printf ("%d\n", n);

Answers

Answer 1

(a) The formula to find the number of elements in an array in C is given by:

sizeof(arr) / sizeof(arr[0])

Here, sizeof(arr) returns the total size in bytes occupied by the array, and sizeof(arr[0]) gives the size in bytes of a single element in the array. Dividing the total size by the size of a single element gives the number of elements in the array.

(b) In C, 'g' and "g" represent different types of literals.

'g' is a character literal, enclosed in single quotes, and represents a single character.

"g" is a string literal, enclosed in double quotes, and represents a sequence of characters terminated by a null character ('\0').

So, 'g' is of type char, while "g" is of type char[] or char* (array or pointer to characters).

(c) The output of the following C code would be:

30 is an even number

In the code, the variable num is assigned the value 30. Then, the variable n is assigned the result of num%2, which is the remainder of dividing num by 2, i.e., 0 since 30 is divisible by 2.

In the if condition, n = 0 is used, which is an assignment statement (not a comparison). As the assigned value is 0, which is considered as false, the else part is executed and "30 is an even number" is printed.

(d) The output of the following C code would be:

11

11

12

In the first printf statement, ++n is used, which increments the value of n by 1 and then prints the incremented value, resulting in 11.

In the second printf statement, n++ is used, which prints the current value of n (still 11) and then increments it by 1.

In the third printf statement, the value of n has been incremented to 12, so it is printed as 12.

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Related Questions

How do you connect asp.Net mvc web application in visual studio 2013 to a database created in mysql query browser

Answers

Solution :

Asp.Net is a programming language of Microsoft. It stands for  Active Server Pages. It was developed by the giant, Microsoft which provides and helps the programmers to build a dynamic web sites, services and applications.

Using the asp.Net we can create a web application which provides interface to the existing database.

Creating an ASP.NET web application :

-- We create a new project in the Visual Studio in the same solution or the new solution and then select asp.NET web app template.

-- Name this project as ContosoSite.

-- Click OK.

-- Now in the project window of a new asp.Net project window, we select the MVC template.

-- Clear the Host in Cloud option as of now as we can deploy the application to the cloud later on.

-- Click ok for creating the application.

Explain what will happen if we continue to use fossil fuels at the rate we are now and what impacts it will have on the planet.

Answers

Answer:

At the point when non-renewable energy sources are singed, they discharge carbon dioxide and other ozone depleting substances, which thusly trap heat in our air, making them the essential supporters of an Earth-wide temperature boost and environmental change. At the point when we consume oil, coal, and gas, we don't simply meet our vitality needs—we drive the current an unnatural weather change emergency also. Non-renewable energy sources produce huge amounts of carbon dioxide when consumed. Carbon discharges trap heat in the air and lead to environmental change.

Which view would you need to use to make
changes to the design theme for the entire
presentation?

• Handout master
• Notes master
• Normal
• Slide master

Answers

Answer:

the answer is Slide Master

Explanation:

I just got it. I couldn't find my notes but it is right.

What is the author's purpose for writing this article? A to persuade readers to consider a career in aerospace engineering and at NASA B to caution readers about the difficulties that aerospace engineers encounter C to highlight the experiences of Tiera Fletcher growing up and as an aerospace engineer D to promote Tiera Fletcher's book and her nonprofit organization, Rocket With The Fletchers

Answers

Answer:

C to highlight the experiences of Tiera Fletcher growing up and as an aerospace engineer

Explanation:

Dream Jobs: Rocket Designer, a Newsela article by Rebecca Wilkins was written with the intent of informing the readers of how Tiera Fletcher developed a love for mathematics at an early age and further developed a desire to be a Space Engineer which she succeeded at. She highlighted the different steps she took before she realized her goal. Some of these steps included working as an intern in several space establishments and performing research.

Today, she is very successful in her career and hopes  that young ones can pursue a career in any STEM careers of their choice.

Answer:

c on newsella

Explanation:

Someone help me!!

select the correct answer

what are the functions of system software?

system software enables a computer's hardware to perform tasks, and functions as a platform for database. quapplication. q

presentation software. it also acts an interface between the computer's hardware and o processor devices

o software

Answers

The first (1st) one. I

Explanation:

It's the definition

independence day in school long passage plss​

Answers

Answer:

Independence Day Celebration in My School

Fifteen August, is a red letter day in the history of India. On this day in 1947, our country become free form the long imprisonment of the British rule. Since 1947, fifteenth August is celebrated every year with great joy and pride. It reminds us for the great struggle of our freedom from the British rule. The great sacrifice for our freedom fighters is remembered, which serves as a beacon light for the development of this great country. The main function is held at Red Fort in Delhi where the Prime Minister unfurls the National flag. It is an occasion of celebration for every Indian and the whole nation celebrate a holiday from all work and take a pledge to work whole heatedly for the development of this country and preservation of Independence. All those who have stood out exclusively in their respective field of work are honored in public meetings. The whole nation pays homage to the security forces who have laid down their lives for the honor and security of the country.

We also celebrated the Independence day in our school compound, with great pump and show. The school building and the ground were cleaned and decorated for the occasion. A flag pole was put up at the top of the school building. The seating arrangement was made on the platform. Markings were made on the ground with white lines. The flower pots were kept all along the path.

There was great enthusiasm among students. The school band of students took its position half an hour before the actual function was to began. The members of the band were wearing a beautiful uniform. They began to play sweet tunes. The students had taken their places well before the time. They were all in school uniform, the white paint and white shirt.

The function began exactly at 8 a.m. all who were present stood in attention. The principal unfurled the flag. The petals of rose fell on us. Five boys sang a song in honor of the national flag. It was “Vijayee Vishwa Trianga Payara”. Them by the school band. The principal look the salute. He made an impressive speech and invited the Education Minster to impressive speech and invited the Education Minster to address us. In his address he asked us to take pledge to safeguard the freedom of nation. He also reminded us of great sons of India, Mahatma Gandhi, Pt. Nehru, Subhash Chandra Bose, Lala Lajpat Roy and Chander Shekar Azad and their sacrifices to the nation. After that different groups of students presented a programme of mass drill and pyramid formation. Ever one liked the programme.

In the end, all stood in attention. All the students, teachers and guardians sang the National Anthem in chorus. With this the function was over. Today the memories of this function are as alive to me, as it was on that day.

an operation that a user performs against a database that retrieves or alters the data in the database should adhere to a set of properties. the consistency property states that:

Answers

The consistency property in a database system ensures that once a transaction is committed, the database is left in a consistent state.

This means that the data is accurate and reflects all changes made during the transaction. The consistency property is crucial for maintaining data integrity and preventing inconsistencies that can occur due to concurrent transactions or system failures.
To adhere to the consistency property, all operations performed against the database must follow a set of rules or protocols. For example, if a user wants to retrieve data from the database, they must ensure that the data is not being modified by any other transaction at the same time. Similarly, if a user wants to update data in the database, they must ensure that the data is not being read or modified by any other transaction.
In summary, the consistency property is a fundamental principle of database systems that ensures data accuracy and integrity.

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can you help maybe please

can you help maybe please

Answers

To automatically show a different cat image alongside its breed name whenever the 'Generate' button is clicked, we can enlist an API:

The Program

In this code, jQuery ties a click activity to the tab labeled 'Generate', then dispatches a AJAX request to the CatAPI to collect a random cat picture and its relevant breed.

Upon receiving a reply, the allocated HTML will be modified according to the given image and breed that was sourced out.

The program is in the image file

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can you help maybe please

Review the items below to make sure that your Python project file is complete. After you have finished reviewing your turtle_says_hello.py assignment, upload it to your instructor.

1. Make sure your turtle_says_hello.py program does these things, in this order:

Shows correct syntax in the drawL() function definition. The first 20 lines of the program should match the example code.

Answers

Code defines the drawL() function with the correct syntax and includes the required documentation string. The function takes a turtle object 't' as an argument, and draws an L shape using turtle graphics.

Define the term syntax.

In computer programming, syntax refers to the set of rules that dictate the correct structure and format of code written in a particular programming language. These rules define how instructions and expressions must be written in order to be recognized and executed by the computer.

Syntax encompasses a wide range of elements, including keywords, operators, punctuation, identifiers, and data types, among others. It specifies how these elements can be combined to form valid statements and expressions, and how they must be separated and formatted within the code.

To ensure that your turtle_says_hello.py program meets the requirement of having correct syntax in the drawL() function definition, you can use the following code as an example:

import turtle

def drawL(t):

   """

   Draws an L shape using turtle graphics.

   t: Turtle object

   """

   t.forward(100)

   t.left(90)

   t.forward(50)

   t.right(90)

   t.forward(100)

To ensure that your turtle_says_hello.py program is complete and correct.

1. Make sure that your program runs without errors. You can do this by running your program and verifying that it executes as expected.

2. Check that your program follows the instructions provided in the assignment. Your program should start by importing the turtle module, creating a turtle object, and define the drawL() function.

3. Verify that your drawL() function works as expected. The function should draw an "L" shape using turtle graphics. You can test this by calling the function and verifying that it draws the expected shape.

4. Ensure that your program ends by calling the turtle.done() function. This will keep the turtle window open until you manually close it.

5. Make sure that your code is properly formatted and indented. This will make it easier for others to read and understand your code.

6. Finally, ensure that your program meets any other requirements specified in the assignment. This might include things like adding comments or following a specific naming convention.

Therefore, Once you have verified that your program meets all of these requirements, you can upload it to your instructor for review.

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who is the father of computer​

Answers

Answer:

Charles babbage is the father of computer

Explanation:

Charles Babbage is a father of computer

How can we change our real institutions, such as Attica Prison, when they are designed to resist critical evaluation and operate in relative secrecy from taxpayers and legislators?

Answers

We can change our real institutions, to operate in relative secrecy from taxpayers and legislators by making good programs that will push the idea above forward.

What is evaluation?

Evaluation is a known to be the act of critically examining or looking through a  given program.

Note that  It often involves collecting and analyzing information and as such, We can change our real institutions, to operate in relative secrecy from taxpayers and legislators by making good programs that will push the idea above forward.

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which type of operating system is permanently programmed into a hardware device.​

Answers

Answer:

Depends on what Operating System you are using.


\(3x - 5 = 3x - 7\)

Answers

Answer:

x = -1/2

Explanation:

Hey there!

To solve for x we need to simplify the following,

3x - 5 = 7x - 3

-3x to both sides

-5 = 4x - 3

+3 to both sides

-2 = 4x

Divide both sides by 4

-1/2 = x

Hope this helps :)

Which TWO of the following are disadvantages of using email?


the threat of getting scammed
the possibility that an email is not delivered to specified recipients
a personal email being read by unintended recipients
increased official communication in the workplace
the risk of computers malfunctioning

ILL GIVE BRAINLY AND A LOT OF POINTS PLS HURRY

Answers

Answer:

A and C

Explanation:

5. how many subnets and hosts are provided by the network 194.68.54.0/26?

Answers

The network 194.68.54.0/26 provides a total of 4 subnets and 62 hosts.

The /26 in the network address indicates that the first 26 bits of the address are used for the network portion, while the remaining 6 bits are used for the host portion. This means that there are 2^6, or 64, possible host addresses per subnet. However, two of these addresses are reserved for the network and broadcast addresses, so there are actually 62 usable host addresses per subnet.
The network portion of the address also allows for 2^6, or 64, possible subnets. However, since the first and last subnets are reserved, there are actually 62 usable subnets. But in this case, since the network address is given as 194.68.54.0/26, we know that the first 24 bits of the address are fixed, and only the remaining 2 bits are available for subnetting. This means that there are 2^2, or 4, possible subnets.

Therefore, the network 194.68.54.0/26 provides a total of 4 subnets and 62 hosts.

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Formal changes to a project scope is called

Answers

Answer:

Scope change is an official decision made by the project manager and the client to change a feature, to expand or reduce its functionality. This generally involves making adjustments to the cost, budget, other features, or the timeline.

Explanation:

no explanation

Which of the following describes all illustrations created by freehand?


extension lines

sketches

leader lines

dimensions

Answers

The answer is - Sketches

Describa la clasificación de los recursos educativos digitales abiertos. vea este video, para hacer eso

Answers

hola una pregunta dónde está el vídeo ?

hola una pregunta dónde está el vídeo ?

which of the following is not a use of a hash function?program execution optimization to make computers run fasterchecksums for integrity checkingerror correcting codes for data transmission optimizationlossy compression to reduce files sizes when fidelity is not required

Answers

The one that is not a use of a hash function is Lossy compression to reduce file sizes when fidelity is not required. Option C is correct.

The use of a hash function is to generate a unique fixed-size output (hash value) from an input of variable size. This output is used for various purposes, such as data indexing, security, and digital signatures.

Out of the given options, program execution optimization, checksums for integrity checking, and error correcting codes for data transmission optimization all make use of hash functions. However, lossy compression to reduce file sizes when fidelity is not required does not involve hash functions.

Instead, lossy compression algorithms discard some data to reduce file size, which can result in a loss of information. Hence, lossy compression is not a use of a hash function.

Therefore, option C is correct.

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applying each format separately, such as font size and then bold, is called ________ formatting.

Answers

Applying each format separately, such as font size and then bold, is called incremental formatting.

Incremental formatting refers to the practice of applying formatting changes one step at a time, building upon existing formatting settings. In this case, it involves applying different formatting attributes individually, such as adjusting the font size and then applying the bold style. By applying formatting changes incrementally, you have greater control over the appearance of the text and can make specific adjustments to suit your needs. This approach allows for fine-tuning the formatting and enables more precise customization of the text's visual presentation.

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Even neutral policy plays an important role for imitation of wars. Explain​

Answers

Answer:

neutral policy creates war in many ways such as

when one country who signed the treaty, oppose it and goes for war can cause huge prob

and it creates rage among the others who signed the treaty

A computer _________ is any person whose primary occupation involves the design, configuration, analysis, development, modification, testing, or security of computer hardware or software.

Answers

Answer:

Engineering

Explanation:

Because they are the one who create software applications

What is the purpose of installing standoffs or spacers between the motherboard and the case?.

Answers

Answer:

to help the mother board not break

Explanation:

Answer:

(3x6/2)v+10=3^2v+9

Describe server processing of a post request. in the case of cgi processing, how does the server pass information to a cgi program (request headers, body, url parameters, etc. )?

Answers

CGI is the part of the Web server that can communicate with other programs running on the server.

What is The Common Gateway Interface?

The Common Gateway Interface (CGI) provides middleware between WWW servers and external databases and information sources. The World Wide Web Consortium (W3C) defined the Common Gateway Interface (CGI) and also defined how a program interacts with an HTTP (Hyper Text Transfer Protocol) server.

The body of the message is sent to the CGI program by the server through the stanard input pipe. Using the value of content_length, which indicates the length of the body, the CGI program can parse the input and obtain the values of the data entered by the user.

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HELP !!! Prompt
What is formatting text?

Answers

Answer:

Formatting text is how something is specifically layed out. Specific style.

Explanation:

Answer: what u mean by that?

"Prevention is better than cure" .justify this statement and mention the preventive measures of your computer from viruses​

Answers

The statement, "Prevention is better than cure", refers to the fact that it is better to prevent a computer from getting a virus than to try and remove a virus from a computer.

This statement is true because if a computer gets a virus, it is possible that sensitive information can be stolen or leaked, important documents can be deleted, or the computer can be permanently damaged. In that case, even if the virus is removed, there is unrecoverable damage. However, none of this can happen if the computer never gets a virus.

A popular preventative measure on your computer is antivirus software, which monitors the activity of websites, apps, and files on your computer to determine if any of them might be viruses and tries to stop them before any damage occurs.

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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Find cain and abel version 3. 9 on the internet, provide the md5 hash of the install file

Answers

When using password recovery tools, as their use can have legal implications and should only be performed on systems and accounts for which you have proper authorization.

However, I can provide general information about Cain and Abel. Cain and Abel is a password recovery tool for Microsoft Windows that allows users to recover various types of passwords using different techniques, such as network packet sniffing, brute-force, and cryptanalysis. It is widely used for network security and auditing purposes.

To obtain the specific version 3.9 of Cain and Abel or its MD5 hash, I recommend visiting reputable software download websites, the official website of the software, or conducting a web search using a search engine. Please ensure that you download software from trusted sources to minimize the risk of downloading malicious or altered files.

Remember to follow legal and ethical guidelines when using password recovery tools, as their use can have legal implications and should only be performed on systems and accounts for which you have proper authorization.

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Write a loop that inputs words until the user enters DONE. After each input, the program should number each entry and print in this format:

#1: You entered _____
When DONE is entered, the total number of words entered should be printed in this format:

A total of __ words were entered.
Sample Run
Please enter the next word: cat
#1: You entered the word cat
Please enter the next word: iguana
#2: You entered the word iguana
Please enter the next word: zebra
#3: You entered the word zebra
Please enter the next word: dolphin
#4: You entered the word dolphin
Please enter the next word: DONE
A total of 4 words were entered.

Answers

Answer:

def main():

   word = input("Please enter the next word: ")

   count = 0

   while word != "DONE":

       count += 1

       print("#{}: You entered the word {}".format(count, word))

       word = input("Please enter the next word: ")

       print("A total of {} words were entered.".format(count))

       

main()

Design a Java program that generates a 7-digit lottery number. The program should have an integer array with 7 elements. Write a loop that steps through the array, randomly generating a number in the range of 0 through 9 for each element of the array. Write another loop that displays the contents of the array.

Answers

Here is a Java program that generates a 7-digit lottery number using an integer array with 7 elements.

The Program

int[] lottery = new int[7];

for (int i = 0; i < 7; i++) {

  lottery[i] = (int) (Math.random() * 10);

}

System.out.print("Lottery numbers are: ");

for (int i = 0; i < 7; i++) {

  System.out.print(lottery[i] + " ");

}

The process begins by setting up a seven-element integer array. Subsequently, it employs a for loop to cycle through the array and produce a haphazard figure ranging from 0 to 9 for every element of the array with the assistance of the Math.random() method. In the end, it employs an additional for loop to exhibit the elements of the array.

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