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Description
Flashcards by Aingharan Sivanantha, updated more than 1 year ago
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Created by Aingharan Sivanantha
over 10 years ago
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| Question | Answer |
| Fundamentals of Computer Systems | Computer - an electronic, programmable data processing machine Computer System - a collection of hardware and software that works together to achieve some data processing task |
| What are the three main things in a computer system? | |
| What are the importances of computer systems? | - improved quality in manufacturing (more accurate than humans) - cheaper manufacturing (automation reduces wage cost and 24/7 working) - new ways of communicating (email, SMS, phones) |
| Where are computer systems used? | - Car engine management - Holiday booking - Satnav - ATM - Washing Machine |
| Name the types of computer systems? | - General-purpose systems - Dedicated systems - Control systems |
| Name some embedded systems? | - Digital watches - Stanavs - Cameras - MP3 Players - Traffic lights - Controllers of machinery in factories |
| What are expert systems and name they 3 components? | - Computer systems designed to behave like a human being - a knowledge base (a database of facts) - an interface engine(software that makes deductions using knowledge) - an interface ( allows human to access the system) |
| What are expert systems used for? | - diagnosing diseases - finding faults in machinery - suggesting purchases to consumers - making credit checks |
| What do management information systems cover? | - technology - data - people |
| What does data integrity mean? | Means reliability - data being accurate and consistent throughout its life |
| Why can testing never be complete? | - software is so complex - testing is expensive - testing is time consuming |
| What is the law that protects personal data? | Data protection act |
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