IB Computer Science Year 2 Higher Level - August 24 2017 Lesson Notes

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Class plan.png What are we going to learn today?[edit]

Hello Class!

  • review introductions
  • setup many different tools:
    • sublime (confirm you have it, put it in your dock)
    • iterm (confirm you have it, put it in your dock)
    • your monitors / video cables / setting up monitor arrangement
    • jetbrains IDE (click here for download link for phpstorm)
    • google classroom (click here, click the plus button, and then enter code: c7ghy8)
    • bookmark class wiki
    • register for class wiki
    • connect to linux server, 85.90.244.131
    • code the following PHP constructions:
      • condition, loop, array
      • Write this application, It will essentially issue a fake parking ticket:
A car park has two barriers. One barrier is at the entrance, where tickets are issued, and one barrier is at the exit, where paid tickets are checked when cars leave. A display at the entrance, showing the current availability of spaces in the car park, is updated as tickets are issued and checked.
The actions of issuing, paying and checking a ticket operate on the collection of objects, TICKETS, that is organized as a linked list. Each object holds the following information:

Nr: ticket number (a progressive unique identifer) 
Date: date of issue
Arrival: time of issue (in 24-hour format) 
PaidOn: date of payment
PaidAt: time of payment (in 24-hour format).

Homework.png What is our homework?[edit]

It might be helpful if you reviewed our getting started guide.

Target.png How am I being assessed today?[edit]

I will assess you formatively today, and make a professional judgement to what extent you understand our learning material. I will use observation, your written work, answers to questions, and contribution to class discussions as data to make my decisions. I normally record my observations in a "evidence of learning" spreadsheet, which I will happily share with you privately if you so wish. I usually need a day or two notice.

Ourstandards.png Standards we are covering today[edit]

These standards are commonly used from the IB Computer Science Subject Guide[1]



Computer1.png As a computer scientist, you have:[edit]

  • Confidence in dealing with complexity
  • Persistence in working with difficult problems
  • Tolerance for ambiguity
  • The ability to deal with open-ended problems
  • The ability to communicate and work with others to achieve a common goal or solution

Credit.png Credits[edit]

  1. IB Diploma Programme Computer science guide (first examinations 2014). Cardiff, Wales, United Kingdom: International Baccalaureate Organization. January 2012.

Give a sequence of brief answers with no explanation.

A unit of abstract mathematical system subject to the laws of arithmetic.

Consider the merits or otherwise of an argument or concept. Opinions and conclusions should be presented clearly and supported with appropriate evidence and sound argument.