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Computer MCQs (page 25 of 48)

Computer basics, hardware, software, networking, the internet, file formats, shortcuts and the people behind modern computing.

Practise 10 questions Timed test

954 questions. Select an option to check your answer, or open "Show answer". Showing 481–500.

  1. 481.

    What is the decimal value of the binary number 1100111?

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    Answer: C. 103

    1100111 = 64 + 32 + 4 + 2 + 1 = 103.

  2. 482.

    What is the decimal value of the binary number 1101011?

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    Answer: B. 107

    1101011 = 64 + 32 + 8 + 2 + 1 = 107.

  3. 483.

    What is the decimal value of the binary number 1101100?

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    Answer: B. 108

    1101100 = 64 + 32 + 8 + 4 = 108.

  4. 484.

    What is the decimal value of the binary number 1101101?

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    Answer: B. 109

    1101101 = 64 + 32 + 8 + 4 + 1 = 109.

  5. 485.

    What is the decimal value of the binary number 1101111?

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    Answer: C. 111

    1101111 = 64 + 32 + 8 + 4 + 2 + 1 = 111.

  7. 486.

    What is the decimal value of the binary number 1110000?

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    Answer: B. 112

    1110000 = 64 + 32 + 16 = 112.

  8. 487.

    What is the decimal value of the binary number 1110001?

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    Answer: B. 113

    1110001 = 64 + 32 + 16 + 1 = 113.

  9. 488.

    What is the decimal value of the binary number 1110010?

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    Answer: C. 114

    1110010 = 64 + 32 + 16 + 2 = 114.

  10. 489.

    What is the decimal value of the binary number 1110011?

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    Answer: C. 115

    1110011 = 64 + 32 + 16 + 2 + 1 = 115.

  11. 490.

    What is the decimal value of the binary number 1110100?

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    Answer: C. 116

    1110100 = 64 + 32 + 16 + 4 = 116.

  12. 491.

    What is the decimal value of the binary number 1110110?

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    Answer: C. 118

    1110110 = 64 + 32 + 16 + 4 + 2 = 118.

  13. 492.

    What is the decimal value of the binary number 1111010?

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    Answer: B. 122

    1111010 = 64 + 32 + 16 + 8 + 2 = 122.

  14. 493.

    What is the decimal value of the binary number 1111011?

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    Answer: C. 123

    1111011 = 64 + 32 + 16 + 8 + 2 + 1 = 123.

  15. 494.

    What is the decimal value of the binary number 1111101?

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    Answer: B. 125

    1111101 = 64 + 32 + 16 + 8 + 4 + 1 = 125.

  16. 495.

    What is the decimal value of the binary number 1111110?

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    Answer: B. 126

    1111110 = 64 + 32 + 16 + 8 + 4 + 2 = 126.

  18. 496.

    What is the decimal value of the binary number 1111111?

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    Answer: B. 127

    1111111 = 64 + 32 + 16 + 8 + 4 + 2 + 1 = 127.

  19. 497.

    What is the decimal value of the binary number 10000110?

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    Answer: B. 134

    10000110 = 128 + 4 + 2 = 134.

  20. 498.

    What is the decimal value of the binary number 10000111?

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    Answer: C. 135

    10000111 = 128 + 4 + 2 + 1 = 135.

  21. 499.

    What is the decimal value of the binary number 10001011?

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    Answer: B. 139

    10001011 = 128 + 8 + 2 + 1 = 139.

  22. 500.

    What is the decimal value of the binary number 10001100?

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    Answer: D. 140

    10001100 = 128 + 8 + 4 = 140.