Q1: write a program to enter a character then use a switch statement to calculate the following depending on the character you entered if it is e then calculate are circumference of a circle; if it is a then calculate the area of the circle; if it is d the calculate the diameter of the circle, finally if it is any other character then print an error message. Where: circumfrence = 2 ar area = t r diameter = 2r Q2: write a full trace to find the output of the following program: Note: Answers with only output will be ignored. #include int main() { for(int i=30;i>=5;i-=5) { if(i%10==0) continue; for(int j=1;j<=3;j++) { cout<

Q1: write a program to enter a character then use a switch statement to calculate the following depending on the character you entered if it is e then calculate are circumference of a circle; if it is a then calculate the area of the circle; if it is d the calculate the diameter of the circle, finally if it is any other character then print an error message. Where: circumfrence = 2 ar area = t r diameter = 2r Q2: write a full trace to find the output of the following program: Note: Answers with only output will be ignored. #include int main() { for(int i=30;i>=5;i-=5) { if(i%10==0) continue; for(int j=1;j<=3;j++) { cout<

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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Concept explainers

Max Function

Statistical function is of many categories. One of them is a MAX function. The MAX function returns the largest value from the list of arguments passed to it. MAX function always ignores the empty cells when performing the calculation.

Power Function

A power function is a type of single-term function. Its definition states that it is a variable containing a base value raised to a constant value acting as an exponent. This variable may also have a coefficient. For instance, the area of a circle can be given as:

Question

Q1: write a program to enter a character then use a switch statement to calculate the following
depending on the character you entered if it is e then calculate are circumference of a circle;
if it is a then calculate the area of the circle; if it is d the calculate the diameter of the circle,
finally if it is any other character then print an error message.
Where:
circumfrence = 2 ar
area = t r
diameter = 2r
Q2: write a full trace to find the output of the following program:
Note: Answers with only output will be ignored.
#include<iostream.h>
int main()
{
for(int i=30;i>=5;i-=5)
{
if(i%10==0)
continue;
for(int j=1;j<=3;j++)
{
cout<<i*j<<"\n";
}
if (i==15)
break;
}
Q3: write a program to display the name and average of 30 students in 12 lessons.
NOTE: use while statement and/ or do-while statement to construct the loop.
Q4: write a program to find the final summation of a given number of terms from following
series:
0, 1, 1, 2, 3, 5, 8, 13, 21, 34, ..

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