The Computer System Flashcards
Explain the computer system in one sentence.
An electronic machine
That accepts input
Processes it
And outputs the information
Explain data
Raw, unprocessed facts
Hardware is…
…all the parts that you can see and touch (including all that is found in the system unit)
Explain information
Processed data output to the user
Software is…
…all the programs that tell the hardware how to solve specific problems
Input…
gets data from outwith the computer into the computer
(and changes it into 1s and 0s)
Output…
sends information out of the computer to do something in the physical world
Processing is…
…making calculations and working out instructions
Main Memory…
…stores data temporarily while the computer is using it
Secondary Storage…
…stores data so you can find it and use it later on
Define physical computing
Uses computers (microcontrollers connecting sensors, switches, lights, motors and so on) to interact with the world around us and make stuff happen
Name sensors that the micro:bit has embedded
Temperature Sensor
Light Sensor
Accelerometer
Microphone (Sound Sensor)
What output devices can you find on the micro:bit
LEDs
Speakers
