We take a USB drive, plug it in our computer or TV, and voila! We transfer the files or play from the drive. So, how is it that computers or digital devices are able to talk to each other? Essentially, devices talk to each other by connections between ports. We use ports to connect to […]
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Computers use binary code to communicate all information, and we have a fun way to teach binary code to kids. Binary code is a stream of 1’s and 0’s. A byte has 8 bits with 1’s and 0’s. Alphabets are also represented using binary code in computers. For example, capital A, shown in binary code
Teach binary code to kids using music Read More »
We’re introducing a fun course to initiate kids to coding/programming and at the same time to let the children have an exciting and fun learning experience about space physics that they’ll remember forever. This is a very short Space Program course for kids (15 days) and it is specifically designed for younger children who want
Space Program Course for kids: Exploring Space with Programming (15 days) Read More »
Computer Science is a beautiful subject that has many areas of knowledge that a child will start to learn, and it has mathematics well intertwined in it. Introducing various coding courses for kids is absolutely fine and in fact essential, but putting too much pressure on them is not. We typically have students start with
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IOI is an International Olympiad Competition in Informatics (Computer Science). Each country sends 4 participants to this international competition with 1 or 2 participants as reserves. Each country has their own process on how they select these top 4 participants that represent the respective country at the IOI. Each country has a series of qualifying
About Coding Olympiad and National Qualifying Exams Read More »
When we write a program in any language, we declare a lot of variables, arrays, objects in various sections of the program such as the main function, global section, classes, functions, methods, etc. These variables need some space in the Random Access Memory (RAM). So, where are they stored? These variables are stored in two
Logarithms is a mathematical concept that is used a lot in computer-science. In this post, let’s understand this concept and its applications in computer-science and beyond. We’ll talk about how logarithms help us in: To introduce, if you know exponentials, then you know logarithms too. Because logarithms are nothing but the inverse of exponentials. For
Logarithms and their applications in coding & computer mathematics Read More »
A program counter is an important component inside a processor. And to build a program counter, we will need a multiplexer, register and a ripple-carry adder. Let’s understand them one by one. A multiplexer is a circuit of logic gates. This circuit is what helps the CPU/processor to fetch a bit of data from memory
How to make a Program Counter using Multiplexers? Read More »
In our previous post, we’ve seen how to add two binary bits using XOR and AND gate. Now, let’s say we want to add not two bits but three bits. How would you go about it? Two numbers are A and B and the third number is a carry bit coming from somewhere else (let’s
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Why do we need Classes, why not just use Arrays and work things out? A lot of kids ask this question: why do we need classes, why not just use arrays and put all data together in one array or in a couple of arrays and access? It is understandable why kids are asking this
Arrays vs. Classes Read More »