System Architecture Flashcards
What does the processor do?
Process data
Carries out instructions
What is processor speed measured in?
Hertz
How much is 1GHz?
1 Billion instructions per second
If a Processor has (roll a 6 sided dice) (roll a second 6 sided)Ghz cores. How many instructions can be processed per second?
Cores x Hertz = instructions per second
Where is the data processed in the processor?
In the core(s)
What MAY happen if you double the cores in a processor?
The processor will process twice as many instructions
What is a processor’s “cache”?
A very small amount of data that can be quickly accessed by the processor. As programs are executing the cache holds commonly used instructions.
What affects a processor’s performance?
Clock speed
Cores
Cache size
What is a processor’s “clock speed”?
How many instructions can be executed per second
What is an embedded system?
A computer system made from hardware and software, but without an operating system. Usually for a specialist task.
Give examples of embedded system?
Dishwasher
Washing machine
Air conditioner
Give examples of an Input device
Mouse
Keyboard
Microphone
Give examples of output devices
Monitor
Speaker
