Systems Flashcards
What is the order of data flow?
Input - Processing - Output
/
Main or Internal
Memory
What is the function of an input device?
They are used to enter data
What is the function of a processor?
To decide what instructions mean and what to do
What is the function of an output device?
To show the results of processing
What is the function of the main/internal memory?
To store data that is being used
What is the function of backing storage?
To store data when the computer is switched off
Name the 3 types of computer system
Personal computers (PCs)
Mainframe computers
Supercomputers
What is a typical use for an embedded computer?
In domestic and industrial appliances
Where are mainframe and supercomputers used?
Banks, insurance firms and universities
What are the advantages of an embedded computer?
Main instructions don’t need to be altered by the user
Simple instructions such as choosing the wash temperature, can be inputted
What is a disadvantage of a embedded computer?
They only perform one task