Systems Flashcards

1
Q

What is a System?

A

Purposeful collection of inter-related components working together towards a common objective.

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2
Q

Types of Systems?

A
  1. Technical Computer-Based Systems

2. Socio-Technical Computer-Based Systems.

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3
Q

Technical Systems

A

Include software & hardware, but not operators and operational processes.
Not self-aware

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4
Q

Socio-Technical Systems

A

Include software & hardware, and also operators and operational processes.
Governed by organisational policies and rules.

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5
Q

Properties of Socio-Technical Systems

A
  1. Emergent Properties.
  2. Non-deterministic
  3. Complex relationships with organisational objectives.
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6
Q

Emergent Properties

A

Properties of the system as a whole depend on components

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7
Q

Non-deterministic

A

Sometimes you do not get the same output when presented the same input.

System’s behavior partially dependent on human operators.

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8
Q

Complex relationships with organisational objectives

A

extent to which system depends on organisational objectives

does not just depend on system itself.

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9
Q

What Problems might emerge when making a Socio-Technical System?

A
  1. Volume
  2. Reliability
  3. Security
  4. Repairability
  5. Usability
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10
Q

Volume

A

Total space occupied depends on how component assemblies are arranged and connected.

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11
Q

Reliability

A

Systems reliability depends on component reliability but unexpected interactions can cause new types of failures

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12
Q

Security

A

Systems ability to resist attacks.

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13
Q

Repairability

A

How easy it is to fix a problem once it is discovered

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14
Q

Usability

A

How easy it is to use the system

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