May/June 2026 Paper 13

2026 · 8 questions · 29 parts · 75 marks

0/75 marks

0Correct0Partial0Wrong29Unattempted

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–/5 mks

–/3 mks

3(a)3(b)(i)3(b)(ii)3(c)(i)3(c)(ii)3(c)(iii)

–/13 mks

4(a)4(b)4(c)(i)4(c)(ii)

–/17 mks

5(a)(i)5(a)(ii)5(b)(i)5(b)(ii)5(c)(i)5(c)(ii)

–/10 mks

6(a)6(b)6(c)6(d)

–/8 mks

–/9 mks

–/10 mks

2(a)Logic Gates Truth TablesEasy2 marks

Complete the truth table for the given logic circuit.

a logic circuit with inputs X, Y and Z and outputs A and B: X and Y feed a NOR gate; the NOR gate's output and Z feed an AND gate, whose output passes through a NOT gate to give A; Y also feeds a separate NOT gate, whose output, together with Z, feeds an XOR gate to give B

X	Y	Z	A	B
0	0	0	Table answer row1_A	Table answer row1_B
0	0	1	Table answer row2_A	Table answer row2_B
0	1	0	Table answer row3_A	Table answer row3_B
0	1	1	Table answer row4_A	Table answer row4_B
1	0	0	Table answer row5_A	Table answer row5_B
1	0	1	Table answer row6_A	Table answer row6_B
1	1	0	Table answer row7_A	Table answer row7_B
1	1	1	Table answer row8_A	Table answer row8_B

2(b)Logic Gates Truth TablesEasy1 mark

State two logic gates that are not in the circuit in 2(a).

Two answers required.