Introduction to Programming

In our every day life, we use a lot of computer software. Have you ever wondered how this software is created and wanted to understand more about what programming is?

Transcript

1. Programming Swathi Kantharaja
2. Why you should learn programming
3. Used Everywhere
5. Logical Thinking
6. Find if a given number is even Take the given number, and divide it by 2 IF the remainder is 0, THEN the number is even Or ELSE, the number is odd. Is 584 an even number? Is 211 an even number? Is 1024 an even number?
7. Joy of creating something
9. What is a Program?
10. Set of Instructions
11. Make me a sandwich Take 2 slices of bread Place meat or vegetables on one half Place some salad on this Place a slice of cheese on this Cover this with the other half of the bread
12. Language that is understandable
14. Machine Language 01110000011 01001011110 10011110100 1100001
16. Syntax & Semantics Syntax is the structure or form of a language Semantics is the meaning
18. Basic Building Blocks Of Programming Languages
19. Data Types Integer Float String Boolean 3 7.5 “Oxford Street” true / false
20. Variables number_of_zones = current_balance = source_station = 3 7.5 “Oxford Street”
21. Arrays [ , , , ] “Oxford Street” “Old Street” “Tottenham Court Road” … [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
22. Hashes [ , , , ] “Oxford Street” “Old Street” “Tottenham Court Road” … { “Zone 1”: , “Zone 2”: , … } [ , , ] “Camden Town” “Kentish Town” …
23. Conditionals if stations[“Zone 1”].include?( ) … do something for Zone 1 … else … do something for non - Zone 1 … end “Oxford Street”
24. Loops i = 1 while i <= n … do something ’n’ times … i = i + 1 end
26. Thank You Twitter: @swathuk Website: swathik.com