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What is an algorithm and how do they work? | BBC Ideas

What is an algorithm? 

You may be familiar with the idea in the context of Instagram, YouTube or Facebook, but it can feel like a big, abstract concept. 

Here’s presenter Jon Stroud with a down-to-earth guide to what on earth algorithms actually do. Made by Jist Studios. 

What is an algorithm and how do they work? | BBC Ideas

An algorithm is a set of instructions designed to perform a specific task. This can be a simple process, such as multiplying two numbers, or a complex operation, such as playing a compressed video file. ... In computer programming, algorithms are often created as functions.

What is the difference between an algorithm and code?

An algorithm is a series of steps for solving a problem, completing a task or performing a calculation. Code is a series of steps that machines can execute. ... In many cases, code is composed in a high-level language that is then automatically translated into instructions that machines understand.

How do you write an algorithm?

There are many ways to write an algorithm.
An Algorithm Development Process
  • Step 1: Obtain a description of the problem. This step is much more difficult than it appears. ...
  • Step 2: Analyze the problem. ...
  • Step 3: Develop a high-level algorithm. ...
  • Step 4: Refine the algorithm by adding more detail. ...
  • Step 5: Review the algorithm.

What are the types of algorithm?

Well there are many types of algorithm but the most fundamental types of algorithm are:
  • Recursive algorithms.
  • Dynamic programming algorithm.
  • Backtracking algorithm.
  • Divide and conquer algorithm.
  • Greedy algorithm.
  • Brute Force algorithm.
  • Randomized algorithm.

What is the difference between pseudocode and algorithm?

An algorithm is defined as a well-defined sequence of steps that provides a solution for a given problem, whereas pseudocode is one of the methods that can be used to represent an algorithm.

What are the key features of an algorithm?

An Algorithm has five major features. Those are – Finiteness, Definiteness, Input, Output, and Effectiveness.

What is the definition of algorithmic thinking?

Algorithmic thinking is a way of getting to a solution through the clear definition of the steps needed – nothing happens by magic. Rather than coming up with a single answer to a problem, like 42, pupils develop algorithms. For example, we all learn algorithms for doing multiplication at school

Here we were, a little lapse into the wonderful world of science and computers.

Do you like it? Share this article in your favorite hives and feel free to ask you questions or queries in the comment section.

#4 Hello @Ken Boddie, thank you for the nice comment, I love your posts and follow your great comments on a regular basis on my peer's fellow bees blogs. Great to see you on one of mine. Much appreciated. Cheers, Ken!

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Ken Boddie Aug 20, 2020 · #4

Great video! Many thanks.

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Thanks @Milos Djukic you are welcome to share it if you liked it.


#1 Thanks @Roberto De la Cruz Utria, great examples. sHARE THE BUZZ AROUND IN YOUR FAVORITE HIVES IF YOU LIKE IT.

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Roberto De la Cruz Utria Aug 17, 2020 · #1

Nice post, @stephan metral 🐝 Innovative Brand Ambassador.
Some examples of algorithms:
- Face detection.
- Translation of texts
- Optimization of a process
- Spelling correction.
- Search
- Automatisms
- Public services assistant
- Voice synthesis

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