Saturday 31 October 2009

Financial Reporting - Balance Sheets Part 1

Balance Sheets Part 1


The major types of financial statement


3 types:

  • Cash flow statement

  • Income statement

  • Balance sheet


Financial Reporting - Intro and Business Types

Fundamentals of Financial Reporting


Introduction to Accounting


The main users of financial information relating to a business



  • Owners

  • Customers

  • Competitors

  • Employees (and unions)

  • Government

  • Community reps

  • Investment analysts

  • Suppliers

  • Lenders (Banks)

  • Managers

Tuesday 27 October 2009

Computer Networks – Play-out Delay

Internet Phone: Fixed Play-out Delay

With this, the receiver attempts to play out each chunk of data at exactly qms after the chunk was generated.

  • This chunk has a time stamp, t: So the play-out chunk is at t+q
  • If the chunk arrives after t+q, then the data arrives too late for play-out – the data is LOST!

Operating Systems – Process/Thread Syncing

Process Synchronization

OK, so a background Process Syncing. Process Syncing is concurrent access to shared data that may result in in data inconsistency. There are however some mechanisms required to help maintain data consistency.

Thursday 22 October 2009

Computer Networks - Multimedia

What is Multimedia?

So what exactly is multimedia? well the truth is – nobody knows!! This is because its nothing but binary data – except for audio and video which varies, and is commonly in analogue.

Operating Systems – Process Scheduling

Shortest-Job-First

We noticed from the previous OS post that “Shortest-Job-First”, or SJF, can sometimes produce a better result. It can be proved that SJF is optimal for a given set of processes that become available simultaneously.

Tuesday 20 October 2009

Operating Systems – Process and Thread Scheduling

Recall: Process States

DO you remember the states of a process from one of the previous posts? Either way im going to remind you :)

Sunday 4 October 2009

Maths – Propositional Logic

What is Logic?


This is post is going to help you better understand and grasp the concepts behind Propositional Logic (PL). In general, PL is the study  of logical operators and their use in correct arguments.