Bachelor of Computer Application (BCA) Community Share and Help
Flow Chart and Algorithms
Write an algorithm or draw a flow chart for the following :
To Determin the given number is positive, negative or zero
to find sum of first number
to find sum of first number
Algorithm to find the sum of first n natural numbers:
1. Read n.
2. Initialize N=1.
3. Initialize sum S=0.
4. Calculate S=S+N.
5. Calculate N=N+1.
6. If N>n, then goto step 7 else goto step 4.
7. Write the sum S.
8. Stop.
1. Read n.
2. Initialize N=1.
3. Initialize sum S=0.
4. Calculate S=S+N.
5. Calculate N=N+1.
6. If N>n, then goto step 7 else goto step 4.
7. Write the sum S.
8. Stop.
Flow Chart Example 1
Draw a flowchart to find the sum of first 50 natural numbers.
Answer: The required flowchart is given in Fig. 1.
Fig. 1 Sum of first 50 natural numbers
Flow Chart Example 2
Draw a flowchart to find the largest of three numbers A, B, and C.
Answer: The required flowchart is shown in Fig 2
Fig 2 Flowchart for finding out the largest of three number
Flowchart Example 3
Draw a flowchart for computing factorial N (N!)
Where N! = 1?2?3?....N .
The required flowchart has been shown in fig 3
Answer:
Fig 3 Flowchart for computing factorial N
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