Program Libraries - A Level Computer Science 9618

In this video, you'll learn about program libraries, their benefits, and see a quick demo of how to use them in Python. We'll also cover the different types of program libraries, as well as the pros and cons of using dynamic link library (DLL) files.

Whether you're a student preparing for the Cambridge International AS & A Level Computer Science 9618 Paper 1 exam on Chapter 5: System Software or a professional seeking to broaden your knowledge, this video is ideal for you.

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⏳ TIMESTAMPS
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00:00 Intro
00:03 What You Will Learn
00:20 What are program libraries?
01:04 Benefits of program libraries
01:58 Demo of program libraries
05:37 Dynamic link libary (DLL) files
07:22 Pros and Cons of using DLL files
09:12 Past Year Question

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[rubennell]

1.a) Jennifer can call a library file to perform a specific algorithm that has already been written and tested instead of rewriting am algorithm or procedure which will take up time.
2.)It will make the code smaller in size if a dynamic link library is used which means it will save space where it is being stored.
A programmer can use the same library for multiple programs instead of using multiple duplicate libraries for multiple programs, making it more efficient if he wants to make a change in all the programs library file.

[zozwiski]

Loved the video, i have a test tomorrow and this is so helpful! Also loved the fun fact, you’ve come a long way and made your parents proud. Congratulations! I hope i can get a scholarship too and do the same soon ☺️

[kingzmash]

A library contains pre-written and pre-tested functions and routines. All she has to do is import and call them into her program saving her time, money and effort.

DLL doesn't come into memory until it is required saving memory and allows the code to run faster. It is also independent of the code, so if there are any changes made, the code does NOT need to be recompiled.

[randroid]

hi, is the bitmap images and vector graphics portion from chapter 1 covered in this channel?