Search results

• TLF-IDM018943

The Hour of Code is a one-hour introduction to computer science, designed to demystify code and show that anybody can learn the basics. In this video, Saloni explains what an If/Else statement is. With the help of Scrat the Squirrel from Ice Age, she goes on to demonstrate how If/Else blocks can be used to program characters' ...

• TLF-IDM018942

The Hour of Code is a one-hour introduction to computer science, designed to demystify code and show that anybody can learn the basics. In this video, Bill Gates, creator of Microsoft introduces the If statement. He explains that the If statement is a fundamental concept in computer programming. By demonstrating the use ...

• TLF-IDM020585

Lots of private data is exchanged over the internet. What are some examples? As Mia Epner explains, cryptography allows for the secure transfer of data online. How does encryption work? And what is a key? Today information is encrypted using 256 bit keys. This keeps information safe because it means there are way too many ...

• TLF-IDM020595

Ever wondered how your photos, emails and messages get sent between devices? Watch as software engineer Tess Winlock explains what binary information is, and how it gets from one place to another. Can you explain what 'bits' are? How about 'bytes'? In the past, binary information was sent using physical systems like semaphore ...

• TLF-IDM020591

Meet Kevin Systrom and Piper Hanson as they explain how digital images work. What are pixels, those tiny dots of light, made from? How are colours created and represented? What does Kevin say about the way mathematical functions are used to create different image filters. What is the difference between image resolution ...

• TLF-IDM018467

You don't want a silent Sprite! Get your Sprite to talk by using the 'say' block.

• TLF-IDM024993

Find three cups, place them in a line and turn one cup facing down. Can you get all three cups facing down after making exactly three moves? The one rule is: for every move, two cups must be flipped simultaneously. Since the goal is to get all three cups facing down (an odd number) and you start with one cup facing down ...

• TLF-IDM018934

The Hour of Code is a one-hour introduction to computer science, designed to demystify code and show that anybody can learn the basics. In this instructional video, Facebook's Mark Zuckerberg explains what a Repeat Loop is and how to use the repeat block. This is the second of seven clips in the Hour of Code tutorial. To ...

• TLF-IDM018933

Do you know what a computer programmer does? Watch as some experts in the field explain. For more information on the activities introduced in this video, visit http://learn.code.org/s/1/level/1

• TLF-IDM018932

The Hour of Code is a one-hour introduction to computer science, designed to demystify code and show that anybody can learn the basics. In this video, basketball star Chris Bosh explains the difference between a Repeat Until command and a Repeat Loop command. This is the third of seven clips in the Hour of Code tutorial. ...