Which one of the following best describes data and information?
Data are raw facts, while information is processed data.
Data are collected by amateurs, e.g. train-spotters, while information is collected by professionals, e.g. transport company officials checking on the punctuality of trains.
Information is raw facts, while data are processed information
Data and information are only valid id they have been collected by an ICT professional.
Which one of the following statements is an example of knowledge based on information from data processed in an ICT system?
If you drive at 120 km/h in an 80 km/h speed limit, you will be fined.
If you attend all your ICT lessons and do all the work set, you are much more likely to pass the exam.
A musician plays a long piece of classical music from memory.
Sales data are processed to weekly sales information. The information is used to decide whether a particular product needs to be specially promoted.
Which one of the following is the best definition of a professional person?
One who wears a suit to work.
One who is highly paid.
One who has specialist knowledge and expertise to provide services and make decisions on a wealth of formal and informal facts and rules gained through years of training and experience.
One who goes around a place of work with a clipboard to note down sloppy work practice in an organisation and call those responsible to account.
Which one of the following statements is true about computers?
Computers are merely adding machines. They cannot even subtract, multiply, or divide, let alone think or understand.
Computers are merely arithmetic machines. They can add, subtract, multiply, or divide, but cannot think nor understand.
Computers can do arithmetical function and can think. But they do not understand.
Computers can do all the functions of a human brain, but much more quickly.
Which one of the following is indirect data capture?
A barcode is swiped through a scanner.
The dentist's receptionist types a patient's details into the computer.
A PIN code is typed into an EPOS terminal.
A bank supplies the details of a credit company to another company that could supply the customer with services.
Good quality data are:
accurate.
complete.
upto date, accurate, complete
complete and up to date.
Which one of the following is the best example of a value judgement?
Physics is a really interesting subject.
Footballers in the Premiership are highly paid.
The train I am catching is 40 minutes late, as usual.
The gearbox on his car is broken and will need to be replaced, which will be expensive.
Which one of these would NOT be an appropriate product or service to target at middle-aged people (40 to 60 year-olds)
A cruise on an ocean-going liner.
A first-class train ticket
A very loud, bass heavy in-car entertainment system.
Health insurance to cover critical illness
Which one of these statements best describes the difference between data security and data integrity?
Integrity is about ensuring that data are maintained as high quality, while security is about ensuring that only authorised people can view the data.
Integrity is about ensuring that only authorised people can view the data, while security is about ensuring that data are maintained as high quality.
Data integrity is ensured by password protection, while standard clerical procedures ensure data security.
Both data security and integrity are assured if only authorised persons can work with the data.
Simulation programs, for example flight simulators, work by:
the computer having a 3 dimensional analogue code of the pictures that make up the simulation.
the understanding of the computer about the context of the simulation.
the computer querying a database of knowledge on which the simulation is based
repeated additions of binary numbers that result in the complex data processing required to run the simulations