Code

Test yourself

Code

Computer language

Image that you have an algorithm for a computer task.
Once you have an algorithm, you need to turn it into a computer language.
This helps the computer understand and follow the steps in the algorithm.

Computer languages

There are many computer languages for creating programs.
A program is a set of instructions to carry out a task.

Machine code

At the lowest level, the computer uses machine code.
Machine code is based on the numbers 0 and 1.
The machine code system is called ‘binary’.
- It is called 'binary' because there are only two numerals you can use.

Higher-level languages

BASIC, C, Java, and HTML are all names of higher-level computer languages.
Higher-level computer languages are designed to be closer to human language.
Each of the languages uses different codes.
- Each language is different, just like Spanish is different from English.

1Using Computers

1.1Computers as a Tool

1.1.1Uses of Computers

1.1.2More Uses of Computers

1.1.3Advantages of Information Technology

1.1.4More Advantages of Information Technology

1.2Data

1.2.1Storing Data

1.2.2Databases

1.2.3Sorting & Filtering Data

1.2.4Interrogating Data

1.3Plagiarism & Illegal Sharing

1.3.1Plagiarism

1.3.2Copyrighted Content

2Networks & the World Wide Web

2.1Networks

2.1.1Parts of Networks

2.1.2The Internet

2.1.3The World Wide Web

2.2Searching Online

2.2.1Searching the World Wide Web

2.2.2Searching Tips

2.2.3Reliable Information

2.3Protecting Yourself Online

2.3.1Your Digital Footprint

2.3.2Being Safe

2.3.3Online Safety

2.3.4Viruses

2.3.5Malware

2.3.6People Online

2.3.7Your Feelings

2.3.8Getting Help

3Computational Thinking

3.1Computational Thinking

3.1.1Computational Thinking

3.1.2Decomposing Tasks

3.1.3Algorithms (1/2)

3.1.4Algorithms (2/2)

3.1.5Logical Reasoning & Debugging

4Computer Languages

4.1Coding

4.1.1Code

4.1.2Programs

4.1.3Writing Programs

4.1.4Writing Your Own Program: Input, Outputs, Design

4.1.5Turning an Algorithm into an App (1/2)

4.1.6Turning an Algorithm into an App (2/2)

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