1a
1 mark
A bit pattern is shown in Figure 1.
Figure 1
01001110
Convert the bit pattern shown in Figure 1 into decimal.
1b
2 marks
Convert the bit pattern shown in Figure 1 into hexadecimal.
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Converting Between Number Bases (AQA GCSE Computer Science): Exam Questions
Exam code: 8525
13 mins4 questions
2a
1 mark
Convert the decimal number 171 into binary.
2b
2 marks
Convert the hexadecimal number 2D into binary.
You should show your working.
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3a
1 mark
Convert the binary number 11010100 into decimal.
3b
2 marks
Convert the binary number 10111001 into hexadecimal.
You should show your working.
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4a
1 mark
Convert the decimal number 220 into binary.
4b
2 marks
Convert the hexadecimal number AD into binary.
You should show your working.
4c
1 mark
Convert the hexadecimal number 1A into decimal.
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