Computer Systems Flashcards
What are the 2 types of computer system?
Dedicated and General purpose.
What are the differences between the 2 computer system?
Dedicated only performs a single function often on a loop or only taking a single input however general purpose performs multiple functions and can handle multiple inputs and outputs and usually needs a kernel or operating system to handle the processes.;
What is a computer system?
A system that receives inputs from a source or device, processes the data and manipulates outputs depending on the input.
What are the types of use for computer systems?
Safety Travel Business Retail Entertainment Communication Education Politics Science
Why is reliability important?
We rely a lot on computers so if data is lost it can cause economical and social changes such as if a bank system fails many people can loose money causing distress and social changes.
What is the use of the ALU?
It is a digital circuit that performs complex arithmetical and mathematical calculations for use in the CPU of the computer and on-board processor of graphic cards.
What is the use of cache memory?
Cache memory is an area of data storage between the CPU and RAM. needed data is transferred to the cache memory before being accessed by the CPU as it has faster access times than the RAM memory.
What is a clock chip?
A clock chip is a vibrating crystal that vibrates at a constant speed and is used to time the processing of the CPU and transfer of data.
What processes are run during the fetch execute cycle?
Fetching of data
Decoding by reading the meta data of the file
Executing the command inside the file
