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4.2 ALGORITHM
An algorithm is a set of steps in a sequential manner to solve a problem or to
complete a task. The problem can be logical or mathematical.
Let’s write an algorithm to find sum of two numbers.
Step 1 Start
Step 2 Read two numbers (Input)
Step 3 Add two numbers
Step 4 Print the sum (Output)
Step 5 Finish
Coding fact
Algorithms are the building blocks of computer programs. The steps may involve
input (asking value from user) and output (giving back results to user).
CRACK THE CODE ADVENTURE
A. Complete the steps to write an algorithm to find your age. Time Taken
Take help from the hint box. Min.
Step 1 _________________
Step 2 Ask birth year
Step 3 Age = _________________ — Birth year HINTS Current year,
Start, Result
Step 4 Display _________________
Step 5 Stop
Level 4: Algorithmic Intelligence 51

