Unit 2:L1 - Algorithm design using pseudocodes and program flowcharts

Question 1

What is an Algorithm?

Answer 1

A sequence of steps for solving a problem.

Question 2

What are the main stages to solving problems?

Answer 2

1) Understanding the problem
2) Defining the scope of the solution
3) Create the solution
4) Documenting the solution
5) Testing the solution
6) Creating the solution

Question 3

In what ways can algorithms be expressed in?

Answer 3

Natural languages
pseudocodes
flowcharts

Question 4

What is a variable?

Answer 4

A variable is a single data item can be held while a program is running

Question 5

What is a variable also known as?

Answer 5

Location in the memory

Question 6

What does any variable consist of?

Answer 6

Data type
Name
Size
Memory location

Question 7

What is size?

Answer 7

No. of characters that can be stored

Question 8

What are the rules to declare a variable?

Answer 8

1) Variable name should be meaningful

2) Reserve keywords can’t be taken

3) Every variable name should start with a letter from the alphabet

4) There should not be any spaces in the variable name