CS001
Introduction to Programming
Day 1
Sujana Jyothi
([email protected])
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
2
Resources
• Resources
– Use the material from NUIM Moodle.
• Save your work
– on your flash drive
– or email it to yourself
3
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
4
Computer Programming
Easy to UNDERSTAND
INTERESTING to know
&
Enjoyable
Programming is simply telling a computer to do
a task
Sequence of steps to be followed
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
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
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
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
Variable
 N dough balls
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
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
Tomorrow's Class
• More on Programming
• More on Algorithms
• Friday – lab using Scratch