Full IGCSE Computer Science 0478 February /March 2023 /22 Paper 2 | Solved paper

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Assalam o Alaikum everyone,
Today, let's review the February-March 2023 paper together. Remember, it's paper 2, focusing on Computer Science, programming, and logic. It's a 1 hour 45 minutes exam with 75 total marks. No calculators are allowed, and all answers must be written directly on the question paper.
First, let's tackle the question about variable scope in a procedure. The correct answer is "local variable."
Next, match descriptions with pseudo code statements neatly. Then, in the algorithm task, write sudo code using a single loop to find the average of 50 numbers stored in the "number" array. Pay attention to marking points like initializing total, using appropriate loop controls, and calculating the average outside the loop.
Ask if you have any questions as we go through the paper. Let's proceed.
That was quite a comprehensive walkthrough! Let me summarize the key points:
1. **Data Manipulation**:
- There's a process involving logical operations on variables A, B, and C.
- It seems to involve binary operations like AND, OR, and NOT.
2. **Flowchart Analysis**:
- A flowchart depicting an algorithm for finding the average value of sales is discussed.
- Symbols like process boxes and decision boxes are explained.
- A trace table is filled out based on given data, emphasizing careful attention to detail.
- The concept of maintaining and updating variables is highlighted.
3. **Database Management**:
- An analysis of a database table structure is provided, identifying primary key and appropriate data types for each field.
- SQL statements are written to query the database based on specific criteria.
4. **Programming Concepts**:
- Declaration of variables of different data types (integer, real, boolean) is demonstrated.
- A function is defined to compare two values and return true or false based on a condition.
- The difference between defining and calling a function is explained, emphasizing the setup versus usage.
5. **Exam Strategy**:
- Attention to detail, understanding of concepts, and clear explanation are crucial for scoring well.
- Paying close attention to keywords in questions and following instructions accurately is emphasized.
Overall, it's evident that you covered a wide range of topics related to data manipulation, database management, programming, and exam strategy. Great job!
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Thank you so much ---

[@LearnCSwithSY]

You're welcome!

[@harshiperera827]

Thank you, can you share the pdf please