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Logic Gates · CSEC Physics

18 past-paper questions on Logic Gates, part of Electricity and Magnetism, from every CSEC Physics paper on Quelpr.

Practise Logic Gates
  1. 3(b)(i)1 mark· Physics Q3 3(b)(i)State the type of logic gate.
  2. 3(b)(ii)8 marks· Physics Q3 3(b)(ii)Complete the truth table for the following logic circuit.
  3. 5(a)6 marks· Physics Q5 5(a)Identify the logic gates described in the first column of the table below and hence complete the table by writing in the names and logic symbols in the appropriate columns.
  4. 5(a)(i)1 mark· Physics Q5 5(a)(i)State the name of EACH logic gate represented below.
  5. 5(a)(ii)1 mark· Physics Q5 5(a)(ii)State the name of EACH logic gate represented below.
  6. 5(a)(iii)1 mark· Physics Q5 5(a)(iii)State the name of EACH logic gate represented below.
  7. 5(a)(iii)2 marks· Physics Q5 5(a)(iii)Draw and complete a truth table for a 'NOT gate'.
  8. 5(b)6 marks· Physics Q5 5(b)Examine the logic circuit shown in Figure 2 and complete the TRUTH TABLE below:
  9. 5(b)4 marks· Physics Q5 5(b)Complete the truth table shown in Table 3 for a NAND gate.
  10. 5(b)(i)1 mark· Physics Q5 5(b)(i)Complete the truth tables for the NOT and NOR gates.
  11. 5(b)(ii)2 marks· Physics Q5 5(b)(ii)Complete the truth tables for the NOT and NOR gates.
  12. 5(c)(i)2 marks· Physics Q5 5(c)(i)Explain what happens if the DOOR is OPEN and the ENGINE is OFF.
  13. 5(c)(i)3 marks· Physics Q5 5(c)(i)Find the logic combination that causes the alarm to sound by determining the outputs at A, B and C in Figure 6.
  14. 5(c)(ii)1 mark· Physics Q5 5(c)(ii)Explain what happens if the DOOR is OPEN and the ENGINE is ON.
  15. 5(c)(ii)3 marks· Physics Q5 5(c)(ii)If a simultaneous disturbance is triggered at the back door and at Window 2, show on Figure 7, the logic output at A, B and C.
  16. 5(d)(i)3 marks· Physics Q5 5(d)(i)State THREE ways in which advances in electronics, such as the introduction of logic gates, have made a positive impact on society.
  17. 5(d)(ii)1 mark· Physics Q5 5(d)(ii)State THREE ways in which advances in electronics, such as the introduction of logic gates, have made a positive impact on society.
  18. 5(d)(iii)1 mark· Physics Q5 5(d)(iii)State THREE ways in which advances in electronics, such as the introduction of logic gates, have made a positive impact on society.

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