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Summary IB Computer Science Topic 4: Computational Mathematics Insights £7.31   Add to cart
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Summary IB Computer Science Topic 4: Computational Mathematics Insights
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Master IB Computer Science Topic 4 with our dedicated student notes designed to align seamlessly with the IB curriculum. Delve deep into the world of computational mathematics, covering numerical methods, data representation, and more. These notes are your invaluable resource to excel in class asse...

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  • October 13, 2023
  • 17
  • 2022/2023
  • Summary

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IB SL Computer Science
Quarter 1
___

Notes


4.1

Logically

https://docs.google.com/presentation/d/1COqQgcW90ZcwnCIRUqy5vCkskxp2GT
zk2GBkeVlgIJ8/edit?usp=sharing



Ahead

https://docs.google.com/presentation/d/1dywD5bpvU_AWe61n2CQX9ozbT_16L3
X5IHO-kSbcmfk/edit?usp=sharing



Abstractly

https://docs.google.com/presentation/d/1IYR8DW4ulTJtuNfDLgp5IiZXCXCTtiN
NPzokts3gSKU/edit?usp=sharing



Concurrently

https://docs.google.com/presentation/d/1uhgnnEfNFbTIuOoNXSvz0DiSReE0DZt
XIwWzDgu69yM/edit?usp=sharing

,Procedurally

https://docs.google.com/presentation/d/1-E-xtFrkUjHR_vAOUuM7_KLE6MBxieb
QvUhm4u3XMkA/edit?usp=sharing



4.2.1 Algorithms for linear array

● Sequential search

○ For finding an item in a list

○ Just going through each element until it finds a match

● Binary search

○ For finding an item in a sorted list

○ Also known as half-interval search

○ Compare the target to the element in the middle

○ Eliminate lower half if target is higher and opposite for lower

○ List can have duplicate

○ Faster than sequential search

● Bubble sort

○ Compares adjacent items and swap them if they are in the wrong
order then move to the next adjacent items

○ Slow for big list

○ Having one loop through the list without any swaps means the list is
sorted

● Selection sort

, ○ Loop through the list to get the lowest/highest number and swap it
with the current one

○ Repeat for each elements



4.3.1 Fundamental operations

● Fundamental operations of the cpu

○ Add

■ Can be adding two numbers together

■ Can also be adding a number to the CPUs

○ Compare

○ Retrieve (or Load)

○ Store (or Save)

● Conditional instructions

○ And

○ OR

○ XOR

■ Either but not both

○ Neither

4.3.2 Complexity of instructions




● Fundamental instruction vs compound instruction

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