Question #1 Study the following C program and answer the below questions Hint: you might run it in Dev C++ before starting answering the questions! #include int main(void){ int number; char choice; printf("Please enter an integer number: "); scanf("%d" , &number); printf"\nTo check whether the number is even or odd, press e \n"); printf"To check whether the number is positive or negative, press p n"): printf("To check whether the number is multiple of 10, press m \n"); printf"\nPlease enter your choice: "): scanf(" %c" , &choice); switch(choice) { case 'e': case 'E': if (number % 2 -- 0){ printf"n%d is even \n", number); else { printf"n%d is odd in", number): break; case 'p': case 'P': if (number > 0){ printf"n%d is positive \n", number): else if (number <0){ printf"n%d is negative \n", number); else printf"n%d is zero! n", number); break; case 'm': case 'M': if (number % 10- 0){ printf"n%d is a multiple of 10 \n" , number); else printf"n%d is NOT a multiple of 10 n" , number);: break; default: printf" NERROR: %c is unrecognized option!!! \n", choice); return 0; Page 2 of 8

Question #1 Study the following C program and answer the below questions Hint: you might run it in Dev C++ before starting answering the questions! #include int main(void){ int number; char choice; printf("Please enter an integer number: "); scanf("%d" , &number); printf"\nTo check whether the number is even or odd, press e \n"); printf"To check whether the number is positive or negative, press p n"): printf("To check whether the number is multiple of 10, press m \n"); printf"\nPlease enter your choice: "): scanf(" %c" , &choice); switch(choice) { case 'e': case 'E': if (number % 2 -- 0){ printf"n%d is even \n", number); else { printf"n%d is odd in", number): break; case 'p': case 'P': if (number > 0){ printf"n%d is positive \n", number): else if (number <0){ printf"n%d is negative \n", number); else printf"n%d is zero! n", number); break; case 'm': case 'M': if (number % 10- 0){ printf"n%d is a multiple of 10 \n" , number); else printf"n%d is NOT a multiple of 10 n" , number);: break; default: printf" NERROR: %c is unrecognized option!!! \n", choice); return 0; Page 2 of 8

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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Question #3: Write a C program that repeatedly asks the user to enter real numbers from the keyboard then it calculates and prints the average of the entered numbers. The program continuously asks the user till the user responds by 'N'. #include int main(void) { //Declare required variables //code for reading real numbers continuously till the user responds by 'N' //code for calculating the average of the entered numbers and printing it printf("\n"); printf("\n"); return 0; } Question3.c Output Screenshot
Given C code: #include <stdio.h>typedef struct compound { float realNumber; float imaginaryNumber;} compound; compound add(compound n1, compound n2); int main() { compound n1, n2, temp; printf("For the first compound number \n"); printf("Enter the real and imaginary parts: "); scanf("%f %f", &n1.realNumber, &n1.imaginaryNumber); printf("\nFor the second compound number \n"); printf("Enter the real and imaginary parts: "); scanf("%f %f", &n2.realNumber, &n2.imaginaryNumber); temp = add(n1, n2); printf("Sum = %.1f + %.1fi", temp.realNumber, temp.imaginaryNumber); return 0;} compound add(compound n1, compound n2) { compound temp; temp.realNumber = n1.realNumber + n2.realNumber; temp.imaginaryNumber = n1.imaginaryNumber + n2.imaginaryNumber; return (temp);} Task: Please change the C program above to execute complicated numeral multiplication. Hint: (e+fi)(g+hi) = (eg−fh) + (eh+fg)i
C++ code
#include <stdio.h>#include <stdlib.h>int LineFunc(void);int main(){int a, b;printf("Enter a :");scanf("%d", &a);printf("Enter b :");scanf("%d", &b);LineFunc();printf("\n\n");system("pause"); }int LineFunc(void){int i,j;int a=1, b = 0, y; for (i = -10; i < 11; i++){for (j = 10; j > -11; j--){y = a * i + b;if (i == 0 ){printf("-");}else if (j == 0){printf("|");}else if (i == 0 && j == 0){printf("+");}else if (y == j){printf("*");}elseprintf(" ");}printf("\n");} } Could you please write the code that gives different results for each value in the chart?
#include using namespace std; int main() { int g; g = 0; while (g >= −6) { } Type the program's output } cout << g << endl; g = g - 4; return 0;
Q3:-Write a program in C++ that finds The following equation (Note : Taking into consideration the priority) Z-pr % q + w/x - y* z
C++ code not Java
Question #3: Write a C program that repeatedly asks the user to enter real numbers from the keyboard then it calculates and prints the average of the entered numbers. The program continuously asks the user till the user responds by 'N'. #include int main(void) { //Declare required variables //code for reading real numbers continuously till the user responds by 'N' //code for calculating the average of the entered numbers and printing it printf("\n"); printf("\n"); return 0; } Question3.c Output Screenshot
#include <iostream> using namespace std; void times(int& prod, int mpr, int mcand) { prod = 0; while (mpr != 0) { if (mpr % 2 == 1) prod = prod + mcand; mpr /= 2; mcand *= 2; } } int main(){ int product, n, m; cout << "Enter two numbers: "; cin >> n >> m; times(product, n, m); cout << "Product: " << product << endl; return 0; } Convert the product into pep9 assembly language.
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#include<stdio.h> #include<math.h> int main() { char cod; int gal; float cost; printf("Data Codes:"); printf(" \n H-Home \n C-Commercial \n I-Industrial "); printf("\nInput data code: "); scanf("%c", &cod); printf("\nInput number of water (in gallons) used: "); scanf("%d", &gal); if (cod=='H'|| cod=='h') { cost = 250+(0.002*gal); printf("\nTOTAL COST IS %.2f", cost); } else if (cod=='C'||cod=='c') { if (gal<=4000000) { printf("\nTOTAL COST IS 5000.00"); }…
// SumAndProduct.cpp - This program computes sums and products // Input: Interactive// Output: Computed sum and product #include <iostream>#include <string>void sums(int);void products(int);using namespace std; int main() { int number; cout << "Enter a positive integer or 0 to quit: "; cin >> number; while(number != 0) { // Call sums function here // Call products function here cout << "Enter a positive integer or 0 to quit: "; cin >> number; } return 0;} // End of main function// Write sums function here// Write products function here