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

6(a)Binary Hexadecimal Data UnitsMedium4 marks

Select every equivalent value that matches each denary number. A denary number may match more than one value.

Denary 3120

Denary 289

Denary 22516

Denary 15851

6(b)Binary Arithmetic Signed NumbersEasy2 marks

Complete the binary addition.

Bit	12	11	10	9	8	7	6	5	4	3	2	1	0
Carries		Table answer carry_11	Table answer carry_10	Table answer carry_9	Table answer carry_8	Table answer carry_7			Table answer carry_4	Table answer carry_3	Table answer carry_2	Table answer carry_1
		1	1	0	1	0	1	0	0	1	1	1	1
+		1	1	1	1	1	1	0	0	1	1	1	1
Answer	Table answer sum_12	Table answer sum_11	Table answer sum_10	Table answer sum_9	Table answer sum_8	Table answer sum_7	Table answer sum_6	Table answer sum_5	Table answer sum_4	Table answer sum_3	Table answer sum_2	Table answer sum_1	Table answer sum_0

6(c)Binary Arithmetic Signed NumbersEasy1 mark

Convert the two's complement integer 011010110001 into denary.

Answer

6(d)Binary Arithmetic Signed NumbersEasy1 mark

Which of these is the smallest integer that can be represented by a 16-bit two's complement integer?