Designing, creating and refining algorithms

Question 1

what is the symbol for start or stop

Answer 1

rounded box

Question 2

what is the symbol for input and outputs

Answer 2

parallelogram box

Question 3

what is the symbol for processes and calculations and general instruction

Answer 3

rectangle box

Question 4

what is the symbol for decision like yes or no

Answer 4

diamond shape

Question 5

what is the symbol for sub routines

Answer 5

rectangle box with 2 lines going through