Algorithms for Basic Number Operations

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Questions and Answers

Which of the following steps is NOT part of the algorithm to find the maximum number from three numbers?

  • Output 'a is the largest'
  • Input a, b, c
  • Initialize counter variable i (correct)
  • Output 'c is the largest'

The algorithm to determine if a number is odd or even includes a step to output 'no is even'.

True (A)

What is the final output step for finding the factorial of a number?

Stop

The algorithm to determine odd or even uses the operator ______ to check divisibility.

<p>modulo</p> Signup and view all the answers

Match each algorithm with its purpose:

<p>Finding factorial = Calculating the product of all positive integers up to n Finding maximum of three numbers = Identifying the largest among three input values Checking odd or even = Determining if a number is divisible by 2 Finding maximum of two numbers = Identifying the larger of two input values</p> Signup and view all the answers

In the algorithm to find even numbers from 1 to N, what is the initial value of the counter variable?

<p>1 (D)</p> Signup and view all the answers

The algorithm to find the maximum number from two numbers has more than five steps.

<p>False (B)</p> Signup and view all the answers

What action is taken when the condition 'no % 2 == 0' is true?

<p>Print 'no is even'</p> Signup and view all the answers

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Study Notes

Factorial Calculation Algorithm

  • Starts by reading a number n.
  • Initializes counter i to 1 and factorial variable fact to 1.
  • Uses a loop to calculate the factorial: fact = fact * i while i is less than or equal to n.
  • Outputs the computed factorial value.

Armstrong Number Check Algorithm

  • Starts by reading a number and storing it as temp.
  • Calculates the sum of the digits raised to the power of the number of digits in temp.
  • Compares the calculated sum with the original number to determine if it is an Armstrong number.
  • Displays output based on the comparison.

Maximum Number from Three Inputs Algorithm

  • Begins with receiving three numbers: a, b, and c.
  • Compares a with b and c to determine the largest.
  • Outputs which number is the largest among the three.

Odd or Even Number Check Algorithm

  • Starts by reading an integer.
  • Checks if the number is divisible by 2.
  • Prints whether the number is even or odd based on the divisibility check.

Maximum Number from Two Inputs Algorithm

  • Starts by reading two numbers: a and b.
  • Compares the two numbers to find the maximum.
  • Outputs which number is the maximum.

Finding Even Numbers from 1 to N Algorithm

  • Begins by reading an integer N from keyboard input.
  • Initializes a counter i to 1 and loops through numbers.
  • Checks each number if it is even.
  • Outputs even numbers from 1 to N.

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