May/June 2026 Paper 12

2026 · 8 questions · 28 parts · 75 marks

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5(a)Binary Hexadecimal Data UnitsMedium4 marks
Complete the table by calculating the missing values.
DenaryUnsigned binaryHexadecimalBCD
16010100000A0
100100001121001010001001
2486
9B60010010010000110
351231000100100110011
00110101000100100011
5(b)Bit ManipulationMedium3 marks
Complete the table by writing the answer to each statement.
StatementAnswer
The smallest 12-bit two's complement binary number
The denary value represented by the 8-bit unsigned binary number 01100010 after a logical right shift of 2 places has been applied
The binary value after a cyclic left shift of 4 places has been applied to the binary number 10010101