C# Answers

What is cache memory? How is it different from RAM and ROM?

Differenciate between MICR and OMR

Write an application that estimates the value of the mathematical constant e by using the following formula. Allow the user to enter the number of terms to calculate.

e= 1 + 1/1! + 1/2! + 1/3! + ...

We want to put at the disposal of a small cheese dairy an algorithm that allows it to calculate the total invoice of a customer, proposing a menu in which all the prices of the products that it owns will be displayed in a menu.
The list of products and the price of each package is shown below:
White cheese: 7000 LL Goat's cheese: 9000 LL
 Cheese with herbs: 12000 LL  Mixed cheese: 13000 LL

Each type of cheese is represented by a letter: ˈWˈ for white cheese, ˈGˈ for Goat’s cheese, ˈHˈ for cheese with herbs and ˈMˈ for the mixed cheese.

Write an algorithm that calculates the total invoice of packages purchased by a customer, using a menu containing the different types of cheese. A customer can purchase multiple packages of the same type or different types. The end of the invoice is indicated by the letter ˈEˈ.

Write an algorithm that asks the user to enter a positive integer (validate if the integer is positive example 624). The program calculates and displays on screen the sum of digits of the number. Example: the sum of the digits of the number 624 is 12 (result of the addition of 6 + 2 + 4).
Implement the algorithm in C# program.

Write an algorithm that asks the user to enter a positive integer (validate if the integer is positive example 624). The program calculates and displays on screen the sum of digits of the number. Example: the sum of the digits of the number 624 is 12 (result of the addition of 6 + 2 + 4)

I have two forms, when I click a button on my first form it closes it and opens the 2nd form. However, when I click the default 'X' in the top right corner of the form to close it, it closes but the program's process are still left running in the background. How can I fix this to completely close the program as well?

I have the following toString method which returns 'result' into a textbox

result += "Driver: " + a.getForename() + " " + a.getSurname() + " (" + a.getOccupation() + ")" + "\r\nClaims: " + a.countClaim() + "\r\n";

I want the Claims: (count), to be aligned to the right side of the text box, how can I do this without aligning everything else?

Example:
Driver: (firstname) (surname)(occupation) ...............................Claims: (count)

What is the difference between .Show(); & .ShowDialog();

I want the user to enter a word in my application, but I want it to follow these rules:

• Word starts with a vowel
• Has a length of 5 – 8 characters
• Must have at least 1 repeating letter

How can I check for these in my program? (not case sensitive)