1. The following function calls supposedly write a single new-line character, but some incorrect. Identify which calls don't work and explain why. (a) printf ("%c","\n');inas (b) printf("%c", "\n"); moms (c) printf("%s",\n'); (d) printf("%s", "\n"); (e) printf('\n'); (f) printf("\n"); i (g) putchar ('\n'); (h) putchar ("\n"); (i) puts ('\n'); (j) puts ("\n"); (k) puts ("");

1. The following function calls supposedly write a single new-line character, but some incorrect. Identify which calls don't work and explain why. (a) printf ("%c","\n');inas (b) printf("%c", "\n"); moms (c) printf("%s",\n'); (d) printf("%s", "\n"); (e) printf('\n'); (f) printf("\n"); i (g) putchar ('\n'); (h) putchar ("\n"); (i) puts ('\n'); (j) puts ("\n"); (k) puts ("");

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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The prompt asks: Write a function that calculates the amount of money a person would earn over a period of years if his or her salary is one penny the first day, two pennies the second day, and continues to double each day. The program should ask the user for the number of years and call the function which will return the total money earned in dollars and cents, not pennies. Assume there are 365 days in a year. function totalEarned(years) { } var yearsWorked = parseInt(prompt('How many years will you work for pennies a day? ')); alert('Over a total of ' + yearsWorked + ', you will have earned $' + totalEarned(yearsWorked));
25. The following is displayed by a print function call:tomdickharrySelect all of the function calls that result in this output a. print(”’tom\ndick\nharry”’) b. print(”’tomdickharry”’) c. print(‘tom\ndick\nharry’) d. print(‘tomdickharry’)
Q2: a- Write a program to pass two integer numbers as parameters to a function; this function is used to calculate and return the result of multiplication and division of the two numbers.
C++:Write a program that determines whether the user entered an item number in the required format: three digits, a hyphen, two digits, a hyphen followed by 4 alphanumerics. Display an appropriate message indicating whether the format is correct or incorrect. Use a sentinel value of -1 to end the program. You must use at least two functions in the solution of this exercise.
# Write a function called ex3(n) which# 1. accepts as an input parameter an integer between 1 and 100# 2. Calculates and print the mersenne primes between 1 and this number# See en.wikipedia.org/wiki/Mersenne_prime for details# 3. Invoke ex3(16) to print results
7Code write please. Write a program to request for three number, your program should determine: i. the largest of the number ii. the average of the numbers You NB: the numbers are of type int and Scanner must be used. b. The electoral commission of Ghana is trying to find out the eligibility of voters in the country, on a trial bases you were tasked to come out with a program that request for: i. A person's country of residence; ii. The person's age; iii. The person should be eligible to vote if he comes from Ghana and is at least 18 years of age. NB: country and age should be declared as string and float respectively, You can use either "Scanner of JOtionPane" to collect the variables bor 1 of 1 125 words DR English (United States).
[CelsiusTemperature Table] The formula for converting a temperature from Fahrenheit to Celsius is C = 5/9 * (F - 32) where F is the Fahrenheit temperature and C is the Celsius temperature.Write a function named celsius that accepts two Fahrenheit temperatures (low and high) as arguments. The function will print a table list the Fahrenheit temperatures from low to high and the corresponding Celsuis temperatures. What is the function prototype? (assume only integers used for the temperate) void celsius (int, int); How to implement this function? The function will use a loop to convert the Fahrenheit temperatures to Celsius temperatures and display the values in the console. In the driver program, prompt for the user input for the low and high Fahrenheit temperatures. Call the the function to display the result in the console. Requirements: Use only for-loop for this exercise; Print the output in a table format Include the function prototypes before the main() All functions…
What does this function using to? int max(int a , int b) if(a > b) return a; else return b; } returns the maximum of two integer numbers returns the minimum of two integer numbers returns the maximum of an floating point numbers returns the minimum of two floating point numbers
Q3: Create the equivalent of a four-function calculator. The program should ask the user to enter a number, an operator, and another number. (Use floating point.) It should then carry out the specified arithmetical operation: adding, subtracting, multiplying, or dividing the two numbers. Use an if-else statement to select the operation. There should be separate function defined for each of the operations i.e add(), sub(), mul() & div() with two input parameters and an appropriate return type. Finally, display the Result.
Create a function to check if a given integer is a factorial of integer or not. The return value should be a boolean. Examples isFactorial (2) // 2 = 2 * 1 = 2! true isFactorial (27) - false isFactorial (24) true // 24 = 4 * 3 * 2 * 1 = 4!
15. A function should convert a Fahrenheit temperature (F) to a Celsius temperature (C). What should be the output from the function? A.C only B.F and C C.F and 32 D.F only
The following function has errors. Locate as many errors as you can. void total(int value1, value2, value3) { return value1 + value2 + value3; }