BTEC level 3 DIgital Unit 4 - Programming (Assignment 1) Pass criteria only
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Course
Unit 4 - Programming (23A)
Institution
PEARSON (PEARSON)
Explain how principles of computer programming are applied in different languages to produce software applications. Explain how the principles of software design are used to produce high-quality software applications that meet the needs of users. Analyse how computational thinking skills can impact...
Introduction.................................................................................................................................................3
Computational Thinking..............................................................................................................................3
Principles of computer programming applied to produce software application.........................................4
Programming Languages.............................................................................................................................6
, Fizza Malik 20340403 CD 510-Group 1
Introduction
My supervisor instructed me to identify and describe communicational processes and features as well as
to explain and explore certain computational thinking methods, analyze how programs are used in the
actual world and to solve problems. Furthermore, I will be explaining how they are used and meet the
clients' needs. I'll look at the features and characteristics of programming languages, the specific issues
each one is effective in solving, and compare them.
Additionally, I will describe the constructs and methods used in various programming languages and
explain how they are implemented and documented, contrasting their implementation in various
programming languages. I will also examine how mathematical and propositional logic, the usage of
sets, and iteration are utilized in the construction of computer programs. E valuating the impact
computation-thinking skills can have on software design and the quality of the produced software
applications.
Computational Thinking
Before anyone starts programming, they will have to think of the small tasks which will lead to the
solution. Computational thinking is breaking down the problems in simple steps, providing computer
instructions that are precise and detailed. You must follow four key steps for computational thinking;
abstraction, decomposition, pattern recognition/generalization:
Decomposition: Breaking down complex problems into small steps to make it simpler to process.
For example, when you teach a kid how to brush their teeth or get ready for school, you explain
them in small steps so they can understand it more easily. If I'm creating an airline application,
I'll first make a welcome message to welcome users to the airline, then I'll set the seats, then I'll
make an overbooking feature linked to the seats, then I'll set the prices of the seat and make the
calculations, and finally I'll program some output messages that will ask the user their first and
last names, the number of child and adult seats they want, and I'll also add a loop if the user
would like to buy more seats and if they don't want to they can end and check out. If we add all
these small tasks, the overall task will be completed quickly. There are 4 stages of
decomposition:
o Identifying and describing problems and processes: During the decomposition when you
identify the problems it is important to describe it and how you are going to process it.
For example, if you say you are going to make dinner, first you will check if you have the
ingredients, the recipe and for how many you will make it.
o Breaking down problems and processes into different steps: You divide the problems
into small steps. As the last example if you are making dinner, you must think how many
dishes you are making and classify them as main course or dessert. Or when will you
make them and how much it is going to take.
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