DCS1101 - Week 12 (Structures)
Presentation
•
Computers
•
University
•
Practice Problem
•
Easy
Yasmin Basiran
Used 1+ times
FREE Resource
30 Slides • 8 Questions
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Learning Contents
Introduction to structures
Structure syntaxes
The application of syntaxes
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Multiple Choice
A structure in C++ is best described as:
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Multiple Choice
Which keyword is used to declare a structure?
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Multiple Choice
A structure can contain:
Only integers
Only floating numbers
Any combination of data types
Only characters
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Multiple Choice
What is the output of the following code?
struct Box { int w; int h; };
int main() {
Box b = {5, 8};
cout << b.w + b.h;
}
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Multiple Choice
What is the error of the following?
struct Person {
int age;
string name;
};
int main() {
cout << Person.age;
}
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Multiple Choice
What is the output of this?
struct Num { int n; };
int main() {
Num x = {7};
Num y = x;
y.n = 20;
cout << x.n;
}
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Multiple Choice
What is the error of this code?
struct Item {
string name;
float price;
};
Item item("Soda", 2.5);
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Previous Topic | Relation to Structures |
|---|---|
Variables | Structures contain multiple variable types. |
Arrays | Structures allow arrays as members, and arrays of structures. |
Functions | Structures can be passed to functions by value or reference. |
Loops | Often used to process structure arrays (for, while). |
Selection (if/switch) | To compare structure members (e.g., highest price). |
File Processing | Structures store data that can later be written to files. |
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Real Programming Uses
To group different info about one item (student, car, book).
To create arrays of objects easily.
To pass related data into functions without many parameters.
To create more complex data types before learning classes/objects.
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Real Programming Uses
Games (player stats)
Finance apps (transaction records)
University systems (student database)
Inventory systems (products)
File handling records
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The first inventory systen
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Material Requirements Planning (MRP) – Late 1960s
Developed by IBM and large manufacturing companies.
Used on early mainframe computers.
Helped factories track inventory, production schedules, and materials needed.
Companies like Black & Decker were among the first major adopters (1964).
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Timeline for MRP
Year | System | Notes |
|---|---|---|
Pre-1960s | Manual, paper forms | No software; physical cards & ledgers. |
1960s | MRP (Material Requirements Planning) | First computerized inventory system on mainframes. |
1970s | MRP II (Manufacturing Resource Planning) | Added scheduling, capacity planning. |
1990s | ERP (Enterprise Resource Planning) | Integrated inventory with HR, finance, logistics (SAP, Oracle). |
2000s–Today | Cloud-based inventory tools | QuickBooks, Zoho Inventory, Odoo, etc. |
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Open Ended
Imagine your college needs a system to keep track of student attendance.
How could structures and functions be used together to simplify the program design?
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Thank you!
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