Skip to main content

← back to the guide

Electronic and control systems quiz - CCEA GCSE Technology and Design quiz

18questions. Pick an answer and you'll see why right away.

  1. The three stages of the systems approach, in order, are:

  2. Feedback in a control system means:

  3. Which of these is a good conductor?

  4. Ohm's law is written as:

  5. A 6 V supply drives 0.02 A through a resistor. Its resistance is:

  6. An LED is connected with a series resistor in order to:

  7. The resistance of a light-dependent resistor (LDR) in darkness is:

  8. A voltage divider is used in an input subsystem to:

  9. In a voltage divider across 9 V, 5 V appears across one resistor. The other resistor has:

  10. A transistor used as a switch is turned on by:

  11. A relay is best described as:

  12. A protection (flyback) diode is fitted across a motor or relay coil to:

  13. An AND gate gives an output of 1 only when:

  14. A NOT gate (inverter):

  15. A circuit must give an output if EITHER of two sensors is triggered. The gate needed is:

  16. In a flowchart, a yes/no decision is shown by a:

  17. A microcontroller (PIC) is useful because:

  18. In a resistor-capacitor timing circuit, a longer time delay is produced by: