1. CS001 Introduction to Programming Day 1 Sujana Jyothi (sujana@cs.nuim.ie)sujana@cs.nuim.ie

2. 2 What will you learn? Learn to understand programs Use the Scratch interactive development environment (IDE) - Labs Learn to solve problems Understand what we mean by algorithms

3. 3 Resources –Use the material from NUIM Moodle. Save your work –on your flash drive –or email it to yourself

4. 4 Course Structure Lectures/Labs Monday 11:00-12:00: lecture Tuesday 9:00-10:00: Lecture Lab Friday 11:00 – 13:00 Assignments Marks out of 2 are given for each of two laboratory sessions Two 10 minute quizzes (to be taken during lectures) – 3 marks each. Total 10 marks for “Introduction to Programming” class. Attendance record will be kept for all sessions for lectures and labs Assessment will be based on lab work, quizzes & attendance

5. Computer Programming Easy to UNDERSTAND INTERESTING to know & Enjoyable

6. Programming is simply telling a computer to do a task Sequence of steps to be followed

7. Pizza Dough Recipe (Requirements)‏ 1. Gather Ingredients 2. Combine sugar (1tbs), salt (1tbs), olive oil (1tbs), flour (1c) in mixing bowl 3. Turn on mixer 4. Add 1/4 cup of flour 5. If dough comes off the sides go to step 6, otherwise go back to step 4 6. Knead 15 minutes 7. Let rest for at least 45 minutes in warm area  1 dough ball

8. N-Pizza Dough Program Gather Ingredients Combine sugar (N tbs), salt (N tbs), olive oil (N tbs), flour (N c) in mixing bowl Turn on mixer Add N/4 cup of flour If dough comes off the sides go to step 6, otherwise go back to step 4 Knead 15 minutes Let rest for at least 45 minutes in warm area  N dough balls

9. N-Pizza Dough Program Gather Ingredients Combine sugar (N tbs), salt (N tbs), olive oil (N tbs), flour (N c) in mixing bowl Turn on mixer Add N/4 cup of flour If dough comes off the sides go to step 6, otherwise go back to step 4 Knead 15 minutes Let rest for at least 45 minutes in warm area Sequence of Statements  N dough balls

10. N-Pizza Dough Program Gather Ingredients Combine sugar (N tbs), salt (N tbs), olive oil (N tbs), flour (N c) in mixing bowl Turn on mixer Add N/4 cup of flour If dough comes off the sides go to step 6, otherwise go back to step 4 Knead 15 minutes Let rest for at least 45 minutes in warm area  N dough balls Variable

11. N-Pizza Dough - Program Gather Ingredients Combine sugar (N tbs), salt (N tbs), olive oil (N tbs), flour (N c) in mixing bowl Turn on mixer Add N/4 cup of flour If dough comes off the sides go to step 6, otherwise go back to step 4 Knead 15 minutes Let rest for at least 45 minutes in warm area Conditional

12. N-Pizza Dough - Program Gather Ingredients Combine sugar (N tbs), salt (N tbs), olive oil (N tbs), flour (N c) in mixing bowl Turn on mixer Add N/4 cup of flour If dough comes off the sides go to step 6, otherwise go back to step 4 Knead 15 minutes Let rest for at least 45 minutes in warm area Subroutines Mini-programs  N dough balls

13. Tomorrow's Class More on Programming More on Algorithms Friday – lab using Scratch