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Modules G027, G028/G029 Principles of Computing and Information Technology Andy Dawson School of Library, Archive & Information Studies, UCL.

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Presentation on theme: "Modules G027, G028/G029 Principles of Computing and Information Technology Andy Dawson School of Library, Archive & Information Studies, UCL."— Presentation transcript:

1 Modules G027, G028/G029 Principles of Computing and Information Technology Andy Dawson School of Library, Archive & Information Studies, UCL

2 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 2 Welcome! DONT PANIC! You will learn where your towel is...

3 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 3 What we will cover today Introduction to the module –Aims & objectives –Module structure & content Use (and misuse) of Jargon Some basic systems theory What are computer systems?

4 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 4 PCIT - The mysterious multiple module What are G027, G028 and G029? –Three different module numbers referring to PCIT, used by different programmes Who is doing what? –MSc (foundation option) do G028 and G029 –Everyone else does G027 Why do we have these three modules if theyre really all the same thing? –Because of differing assessment requirements! (Similarly with Fundamentals of Information Science)

5 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 5 Assessment of the module Everyone does an essay… But only MSc do an exam! –All SLAIS programmes have one exam –For MSc, its attached to this module (as G029) –MA LIS and ECP also have an exam – but its not connected to this module Therefore, MA LIS & ECP need to do additional assessment for this module: –MA LIS and others - website –ECP - 2nd essay

6 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 6 Aims of the module To give a general introduction to computers –how they work –what they can do Provide a broad conceptual foundation Provide some basic practical experience Provide sufficient knowledge to talk to experts –Banish FUD

7 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 7 Module structure and content See separate detailed timetable handout Lectures followed by practical sessions, in groups Practical sessions are at different times/days/locations according to your group

8 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 8 Composition of practical groups Group 1 (Tuesdays , HM1) –Part-timers from ALL programmes Group 2 (Wednesdays , HM1) –Fulltime MA LIS group B and MSc Group 3 (Wednesdays , HM1) –Fulltime MA LIS group A, ECP and others Please do NOT switch groups!

9 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 9 Conduct of the lectures I like informal... Dont be afraid to: –Ask questions –Interrupt –Contribute Listen and think – youre at UCL! Overheads will be available on the web… …but not always in advance (sorry!)

10 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 10 Right then… Any questions so far?

11 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 11 As we were saying about aims… Intention to banish FUD… By gaining an understanding of what the systems do…. And by understanding the language of computing… …and to spot the Bullsh*t!

12 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 12 Jargon?

13 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 13 Jargon Necessity for jargon Value of jargon Problems with jargon Misuse of jargon Technobabble...

14 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 14 Jargon Portable metacarpally-mounted digital temporal monitoring module audio interface (digital watch alarm) Initialising a cerebral storage refresh of a queued interactive event requiring interrupt initialisation and system shutdown due to a virtual combustion warning in real-time test mode (reminding me to do a fire drill)

15 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 15 Jargon We use jargon... We need jargon! Remember the audience! Will try to keep things in terms YOU understand... but... If you dont understand... ASK!!!

16 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 16 Systems Not just computer systems... What is a system? Examples of systems Systems within systems Open systems Synergy Systems analysis (G007!) –a tool for solving problems

17 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 17 Whats a system?

18 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 18 Systems and subsystems

19 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 19 Remember...recurrent themes Systems are tools, not ends Systems are not isolated Systems must be seen as parts of larger systems... But - also see systems as a whole (Computer) systems are more than automation Systems analysis should TRANSFORM, not just TRANSLATE System life cycles

20 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 20 The system lifecycle Analysis Design Implementation Evaluation Decay Replacement

21 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 21 What is a computer? A machine... Multipurpose Programmable –Stores and executes instructions A machine for problem solving? What makes a computer system?

22 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 22 What makes a computer system? Hardware + Software + Liveware = Computer system

23 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 23 The simplest model of a computer system InputOutput Process

24 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 24 How does a computer compare to a human? Faster More accurate Tireless Obedient BUT Stupid Unintelligent? Limited!

25 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 25 Computer intelligence?

26 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 26 Defining intelligence Data Information Knowledge Wisdom The suit analogy? Wisdom as intelligent decision making?

27 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 27 Hardware and Software What is hardware? –Electronic and mechanical components –The bit you can kick What is software? –Programs: Applications Shells Operating systems –Data

28 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 28 Basic hardware structure Processor (CPU) Memory Input/Output mechanisms (I/O devices) Data bus

29 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 29 Roles of software layers Applications Shells Operating systems BIOS Software layers Software makes hardware do useful work Simple tasks complex tasks = System

30 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 30 A users perspective: Focuses on Software Objectives –What do you want to achieve? Evaluation –What can the software do? Implementation –Determines hardware requirement

31 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 31 Final thoughts Computer systems - success or failure? The computer industry - success or failure? Users vs Suppliers –A 1 minute history of systems development –Software licenses –Upgrading systems –Monopolies –Complexity and control If it all works and its so easy - Why are we here?

32 Andy Dawson – Principles of Computing and Information Technology School of Library, Archive and Information Studies 32 Thats it for today! You can mail me at Module info at ucl-only/teaching/modules/instg027/


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