Thinking Ahead (OCR A-Level Computer Science): Flashcards
📚Flashcards
Practise the cards
15 cards from this deck
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Practise the cards
15 cards from this deck
What are inputs?
What are inputs?
Data or signals received by a system for processing
What are outputs?
What are outputs?
Results or responses produced by a system after processing
Digital inputs/outputs: value type
Digital inputs/outputs: value type
Discrete values in binary (0s and 1s)
Analog inputs/outputs: signal type
Analog inputs/outputs: signal type
Continuous signals
What are hard copy outputs?
What are hard copy outputs?
Permanent physical copies of data
Example of digital input
Example of digital input
Keyboard entries, mouse clicks, sensor readings
Example of analog input
Example of analog input
Sound from microphone, light intensity from sensor
Example of digital output
Example of digital output
Text/images on screen, data to file
Example of analog output
Example of analog output
Sound from speaker, light brightness control
Example of hard copy output
Example of hard copy output
Printed document or report
ATM: inputs
ATM: inputs
Card, PIN via keypad, option selected
ATM: outputs
ATM: outputs
Screen info, printed receipt, dispensed cash
Temperature monitoring: input
Temperature monitoring: input
Temperature readings from sensor
Common mistake re: outputs
Common mistake re: outputs
Assuming outputs always digital (can be physical/printed)
Mistake: misidentifying inputs
Mistake: misidentifying inputs
Confusing internal data with user/environment inputs