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Computer Science GCES AQA

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  1. Representing Algorithms Aqa
    4 主题
  2. Efficiency Of Algorithms Aqa
    1 主题
  3. Searching Algorithms Aqa
    3 主题
  4. Sorting Algorithms Aqa
    3 主题
  5. Data Types Aqa
    1 主题
  6. Programming Concepts Aqa
    5 主题
  7. Arithmetic Relational And Boolean Operations Aqa
    1 主题
  8. Data Structures Aqa
    3 主题
  9. String Manipulation Aqa
    1 主题
  10. Random Number Generation Aqa
    1 主题
  11. Structured Programming Aqa
    2 主题
  12. Robust And Secure Programming Aqa
    4 主题
  13. Number Bases Aqa
    2 主题
  14. Converting Between Number Bases Aqa
    3 主题
  15. Units Of Information Aqa
    9 主题
  16. Hardware And Software Aqa
    4 主题
  17. Boolean Logic Aqa
    3 主题
  18. Programming Languages And Translators Aqa
    2 主题
  19. Cpu Architecture Performance And Embedded Systems Aqa
    4 主题
  20. Memory Aqa
    2 主题
  21. Secondary Storage Aqa
    3 主题
  22. Fundamentals Of Computer Networks Aqa
    8 主题
  23. Fundamentals Of Cyber Security Aqa
    1 主题
  24. Methods Of Preventing Cyber Security Threats Aqa
    1 主题
  25. Relational Databases Aqa
    2 主题
  26. Ethical Legal And Environmental Impacts Aqa
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Exam code:8525

Binary to Hexadecimal Conversion

  • It is important before revising how to convert from binary to hexadecimal and vice versa that you fully understand the binary and hexadecimal number systems.

How do you convert from binary to hexadecimal?

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A

B

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F

Example 1

  • To convert the binary number 10110111 to hexadecimal, first split the 8 bit number into 2 binary nibbles

Two sets of binary numbers, "1011" for 1, 2, 4, 8 values, separated by a black bar, representing decimal numbers 11 and 7 respectively.
  • For each nibble, convert the binary to it’s decimal value

  • (1 x 8) + (1 x 2) + (1 x 1) = 11 (B)

  • (1 x 4) + (1 x 2) + (1 x 1) = 7

  • Join them together to make a 2 digit hexadecimal number

  • Binary 10110111 is B7 in hexadecimal

Example 2

  • To convert the binary number 00111001 to hexadecimal, first split the 8 bit number into 2 binary nibbles

Binary representations of decimal numbers with columns labeled 8, 4, 2, 1. Left binary is 0011; right binary is 1011. Separated by a black vertical bar.
  • For each nibble, convert the binary to it’s decimal value

  • (1 x 2) + (1 x 1) = 3

  • (1 x 8) + (1 x 1) = 9

  • Join them together to make a 2 digit hexadecimal number

  • Binary 00111001 is 39 in hexadecimal

Hexadecimal to Binary Conversion

How do you convert from hexadecimal to binary?

Example 1

  • To convert the hexadecimal number 5F to binary, first split the digits apart and convert each to a binary nibble

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4

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= 5

 

8

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= 15 (F)

  • Join the 2 binary nibbles together to create an 8 bit binary number

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  • Hexadecimal 5F is 01011111 in binary

Example 2

  • To convert the hexadecimal number 26 to binary, first split the digits apart and convert each to a binary nibble

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4

2

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= 2

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= 6

  • Join the 2 binary nibbles together to create an 8 bit binary number

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  • Hexadecimal 26 is 00100110 in binary

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