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  • Problem Sets
    | [[Modelling a simple system]] || Average || Part 1, creating a model of an ant | [[Contact tracing: part 1]] || Average || This is a system design problem-set
    4 KB (538 words) - 09:45, 24 January 2022
  • Debugging
    ===Step 1. Identify the error.=== ...the program again and reproduce the same steps that you discovered in step 1.
    4 KB (655 words) - 09:37, 8 December 2021
  • Assessment for IB Computer Science HL
    === Paper 1 === You can earn a maximum of 100 marks for paper 1. It is weighted for 40% of your final grade.
    5 KB (745 words) - 18:19, 28 September 2016
  • Pseudocode
    <ref>http://www.unf.edu/~broggio/cop2221/2221pseu.htm</ref> Example 1: game = 1
    5 KB (857 words) - 17:03, 3 April 2024
  • Reverse list of last names
    first_letter_name = name.split(" ")[1][0] first_letter_names = names[0].split(" ")[1][0]
    3 KB (394 words) - 10:36, 25 September 2019
  • Sandbox
    ...rts learning of IB Computer Science Standard Level and Higher Level (years 1 and 2). Additionally, this wiki supports learning for two computing design
    878 bytes (115 words) - 17:42, 13 February 2024
  • Arrays
    ...located at array index 0 and the last element is located at array index k-1. In case you're wondering, that's the primary reason we count from 0 in CS5 ... [0]=> string(7) "fighter" [1]=> string(6) "cleric"...
    5 KB (775 words) - 20:34, 12 October 2017
  • IB Computer Science Year 2 Standard Level - September 11 2017 Lesson Notes
    ...n your spaceship, with one cow that’s 3 tons and another that’s 1 ton, the 1 ton cow will still get put onto the spaceship. ...r of the list of trips does not matter. That is, [[1,2],[3,4]] and [[3,4],[1,2]] are considered equivalent lists of trips.
    5 KB (795 words) - 09:51, 11 September 2017
  • Archived 2018 - 2019 Solving Complex Problems Through Programming
    ...complex problem || [[Solving Complex Problems Through Programming - April 1 2019 Lesson Notes | Click here for notes and homework]] | Thursday 25 October 2018 || Debrief part 1 of exam, our path forward, treehouse homework || [[Solving Complex Problems
    11 KB (1,389 words) - 16:06, 12 July 2019
  • IB Computer Science Year 2 Higher Level - August 28 2018 Lesson Notes
    grid.append(random.randrange(1,4)) row = row + 1
    4 KB (435 words) - 21:37, 27 August 2018
  • IB Computer Science Year 2 Standard Level - August 27 2018 Lesson Notes
    grid.append(random.randrange(1,4)) row = row + 1
    4 KB (435 words) - 08:20, 28 August 2018
  • IB Computer Science Year 2 Higher Level - September 11 2017 Lesson Notes
    ...n your spaceship, with one cow that’s 3 tons and another that’s 1 ton, the 1 ton cow will still get put onto the spaceship. ...r of the list of trips does not matter. That is, [[1,2],[3,4]] and [[3,4],[1,2]] are considered equivalent lists of trips.
    5 KB (803 words) - 21:42, 10 September 2017
  • Data representation
    ..., is the smallest unit of data in computing. It is represented by a 0 or a 1. Binary numbers are made up of binary digits (bits), eg the binary number 1 ...switch that is activated by the electronic signals it receives. The digits 1 and 0 used in binary reflect the on and off states of a transistor.
    4 KB (613 words) - 09:10, 8 May 2023
  • Design 6
    ...as, which can be correctly interpreted by others || [[Design 6 - September 1 2016 Lesson Notes | Click here for notes and homework]] * [[Levels of knowing (Level 1, Level 2, Level 3) | What does it mean when you are asked to "describe", "a
    5 KB (595 words) - 11:08, 13 October 2016
  • Networking hardware
    ...| a device that connects multiple network segments. It works on OSI layers 1 and 2. ...ort except the original incoming. A hub works at the physical layer (layer 1) of the OSI model. Repeater hubs also participate in collision detection,
    3 KB (410 words) - 11:24, 19 September 2022
  • 2016 - 2017 Designing Solutions Through Programming
    ...17 || Building a grid || [[Designing solutions through programming - June 1 Lesson Notes | Click here for notes and homework]] ...heck in, databases || [[Designing solutions through programming - February 1 Lesson Notes | Click here for notes and homework]]
    13 KB (1,575 words) - 10:22, 25 July 2018
  • Year 2 SL IB Computer Science
    ...ril 2019 || Revision (see notes!) || [[IB Computer Science Year 2 - April 1 2019 Lesson Notes | Click here for notes and homework]] | Friday 1 March 2019 || IA followup || [[IB Computer Science Year 2 - March 1 2019 Lesson Notes | Click here for notes and homework]]
    12 KB (1,553 words) - 15:56, 3 April 2019
  • IB Computer Science Year 1 Standard Level - May 18 2018 Lesson Notes
    1. Copy this code into whatever you are running python in: 4.1 A function to get consent to process data. This consent must be stored.
    5 KB (659 words) - 13:46, 2 July 2019
  • IB Computer Science Year 1 Higher Level - May 18 2018 Lesson Notes
    1. Copy this code into whatever you are running python in: 4.1 A function to get consent to process data. This consent must be stored.
    5 KB (659 words) - 13:45, 2 July 2019
  • Mining
    "Say I tell three friends that I'm thinking of a number between 1 and 100, and I write that number on a piece of paper and seal it in an enve ...'m not asking just three friends, and I'm not thinking of a number between 1 and 100. Rather, I'm asking millions of would-be miners and I'm thinking of
    3 KB (435 words) - 20:59, 8 March 2020
  • Year 2 HL IB Computer Science
    ...ril 2019 || Revision (see notes!) || [[IB Computer Science Year 2 - April 1 2019 Lesson Notes | Click here for notes and homework]] | Friday, 1 March 2019 || Test prep || [[IB Computer Science Year 2 - March 1 2019 Lesson Notes | Click here for notes and homework]]
    11 KB (1,470 words) - 13:58, 1 April 2019
  • Simple password rules
    1. have 8 characters of more <syntaxhighlight lang="python" line="1" >
    4 KB (533 words) - 11:38, 29 March 2016
  • Boolean
    By convention we can express true as the integer 1 and false as the integer 0 (zero). Please be careful as some programming la
    1 KB (169 words) - 15:04, 29 June 2019
  • Structure of neural networks
    ...x1=1 if the weather is good, and x1=0 if the weather is bad. Similarly, x2=1 if your boyfriend or girlfriend wants to go, and x2=0 if not. And similarly ...s, the perceptron implements the desired decision-making model, outputting 1 whenever the weather is good, and 0 whenever the weather is bad. It makes n
    4 KB (707 words) - 17:24, 7 February 2019
  • Moral, ethical, social, economic and environmental implications of the interaction between humans and machines
    Key Ideas (<ref>http://ib.compscihub.net/wp-content/uploads/2015/04/1.2.16.pdf</ref>) === Example 1 ===
    4 KB (686 words) - 13:33, 3 February 2017
  • Designing Solutions Through Programming block 1 Lesson Notes - October 12 2017
    ... [0]=> string(7) "fighter" [1]=> string(6) "cleric"... unset($classes[1]);
    5 KB (828 words) - 20:31, 12 October 2017
  • Designing Solutions Through Programming block 1 Lesson Notes - October 13 2017
    ... [0]=> string(7) "fighter" [1]=> string(6) "cleric"... unset($classes[1]);
    5 KB (828 words) - 20:40, 12 October 2017
  • Deep learning
    ...weighted sum is very large and positive, the return value is very close to 1. For the more mathematically inclined, the logistic function is a good choi
    3 KB (505 words) - 09:53, 13 September 2017
  • Archived 2017 - 2018 Year 2 HL IB Computer Science
    ...ource management]] || [[IB Computer Science Year 2 Higher Level - December 1 2017 Lesson Notes | Click here for notes and homework]] ...m fundamentals]] || [[IB Computer Science Year 2 Higher Level - September 1 2017 Lesson Notes | Click here for notes and homework]]
    10 KB (1,326 words) - 09:56, 25 July 2018
  • Block
    ...data, then a block can contain approximately 3,500 transactions, given the 1 MB limit.<ref>https://cryptoslate.com/bitcoin-transactions-per-block-at-all
    1 KB (222 words) - 08:50, 7 March 2020
  • Two-dimensional arrays
    ...lement is at index (0, 0) and the bottom-right element is at index (m-1, n-1).
    4 KB (614 words) - 09:41, 9 May 2023
  • 2024 case study
    [[Media:D 4 comsc css 2305 1 e.pdf| Click here for the full pdf case study for 2024]]
    1 KB (191 words) - 14:50, 31 May 2023
  • Ethics
    {| class="wikitable" border="1" style="width: 90%"
    1 KB (225 words) - 09:41, 7 December 2021
  • Unsigned integers
    ...lues than signed integers, as they can represent values between 0 to 2^n - 1, where n is the number of bits used to represent the integer.
    1 KB (202 words) - 21:32, 5 February 2023
  • Mean absolute error (MAE)
    MAE = (1/n) * Σ|y_i - ŷ_i|
    2 KB (253 words) - 09:47, 7 January 2023
  • Variable scope in Python
    ...able is referred to by name. <ref>http://python-textbok.readthedocs.org/en/1.0/Variables_and_Scope.html</ref> b = 1
    1 KB (238 words) - 09:46, 17 March 2016
  • Root-mean-square error (RMSE)
    RMSE = √((1/n) * Σ(y_i - ŷ_i)^2)
    2 KB (277 words) - 09:53, 7 January 2023
  • Designing solutions through programming - October 7 2016 Lesson Notes
    ...oblem set 1 (only if you need more time) https://cdn.cs50.net/2014/x/psets/1/pset1/pset1.html#_itsa_mario ## Problem set 2 https://cdn.cs50.net/2014/x/psets/1/pset1/pset1.html#_time_for_change
    2 KB (336 words) - 12:24, 7 October 2016
  • June 6th 2016 Lesson Notes
    ...p://homepage.cs.uri.edu/faculty/wolfe/book/Readings/Reading04.htm Resource 1]
    3 KB (381 words) - 09:45, 6 June 2016
  • Designing solutions through programming - November 9 2016 Lesson Notes
    # Please work through example 1 and 2 on our page [[Illustrate system requirements]]
    2 KB (334 words) - 18:49, 8 November 2016
  • IB Comp Sci SL - November 7 2016 Lesson Notes
    # Please work through example 1 and 2 on our page [[Illustrate system requirements]]
    2 KB (334 words) - 15:02, 7 November 2016
  • IB computer science HL November 7 2016 Lesson Notes
    # Please work through example 1 and 2 on our page [[Illustrate system requirements]]
    2 KB (334 words) - 15:03, 7 November 2016
  • Designing solutions through programming - November 10 2016 Lesson Notes
    # Please work through examples 1 and 2 on our page [[prototypes]]
    2 KB (338 words) - 15:17, 10 November 2016
  • IB computer science HL November 10 2016 Lesson Notes
    # Please work through examples 1 and 2 on our page [[prototypes]]
    2 KB (338 words) - 12:47, 10 November 2016
  • IB Comp Sci SL - November 10 2016 Lesson Notes
    # Please work through examples 1 and 2 on our page [[prototypes]]
    2 KB (338 words) - 12:47, 10 November 2016
  • High School Exploring Computer Science
    ...this is "boring but important". I agree. Please remember what I told you: 1 hour of good design saves you '''hundreds of hours fixing problems later''' ...and homework]] || [[Problem Sets]] - [http://cdn.cs50.net/2015/fall/psets/1/pset1/pset1.html please click here and scroll down]
    9 KB (1,161 words) - 13:13, 22 February 2017
  • Hexadecimal
    * '''bit''': A binary digit, either a 0 or 1.
    2 KB (252 words) - 13:43, 16 October 2019
  • Dead reckoning data
    ...at a particular spot, and it knows that it's been moving straight ahead at 1 meter per second for 10 seconds, then by dead reckoning, it would estimate
    2 KB (270 words) - 12:34, 30 May 2023
  • Binary tree
    self.display(current_node.right, level + 1) self.display(current_node.left, level + 1)
    5 KB (791 words) - 07:41, 26 April 2023
  • IB Computer Science SL
    ...QCRQ8dcMepEoaGKQ/edit review IA], bootstrap || [[IB Comp Sci SL - February 1 2017 Lesson Notes | Click here for notes and homework]] ...abstract data structures |data structures]] || [[IB Comp Sci SL - December 1 2016 Lesson Notes | Click here for notes and homework]]
    15 KB (2,000 words) - 12:34, 26 May 2017
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