Flashcards
Chapter 1
Flashcards do conjunto (12)
- 1Fundamentals of Computer SystemsComputer - an electronic, programmable data processing machine
Computer System - a collection of hardware and software that works together to achieve some data processing task - 2What are the three main things in a computer system?
- 3What 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) - 4Where are computer systems used?- Car engine management
- Holiday booking
- Satnav
- ATM
- Washing Machine - 5Name the types of computer systems?- General-purpose systems
- Dedicated systems
- Control systems - 6Name some embedded systems?- Digital watches
- Stanavs
- Cameras
- MP3 Players
- Traffic lights
- Controllers of machinery in factories - 7What 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) - 8What are expert systems used for?- diagnosing diseases
- finding faults in machinery
- suggesting purchases to consumers
- making credit checks - 9What do management information systems cover?- technology
- data
- people - 10What does data integrity mean?Means reliability - data being accurate and consistent throughout its life
- 11Why can testing never be complete?- software is so complex
- testing is expensive
- testing is time consuming - 12What is the law that protects personal data?Data protection act
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- FlashCards sobre Chapter 1, criado por Aingharan Sivanantha em 02-11-2015.
- Criado por
- Aingharan Sivanantha
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