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Computer MCQs (page 26 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 501–520.

  1. 501.

    What is the decimal value of the binary number 10001110?

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    Answer: B. 142

    10001110 = 128 + 8 + 4 + 2 = 142.

  2. 502.

    What is the decimal value of the binary number 10001111?

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    Answer: C. 143

    10001111 = 128 + 8 + 4 + 2 + 1 = 143.

  3. 503.

    What is the decimal value of the binary number 10010010?

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    Answer: A. 146

    10010010 = 128 + 16 + 2 = 146.

  4. 504.

    What is the decimal value of the binary number 10010011?

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    Answer: C. 147

    10010011 = 128 + 16 + 2 + 1 = 147.

  5. 505.

    What is the decimal value of the binary number 10010101?

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    Answer: C. 149

    10010101 = 128 + 16 + 4 + 1 = 149.

  7. 506.

    What is the decimal value of the binary number 10010110?

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    Answer: B. 150

    10010110 = 128 + 16 + 4 + 2 = 150.

  8. 507.

    What is the decimal value of the binary number 10011000?

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    Answer: C. 152

    10011000 = 128 + 16 + 8 = 152.

  9. 508.

    What is the decimal value of the binary number 10011011?

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    Answer: B. 155

    10011011 = 128 + 16 + 8 + 2 + 1 = 155.

  10. 509.

    What is the decimal value of the binary number 10011100?

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    Answer: B. 156

    10011100 = 128 + 16 + 8 + 4 = 156.

  11. 510.

    What is the decimal value of the binary number 10011101?

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    Answer: B. 157

    10011101 = 128 + 16 + 8 + 4 + 1 = 157.

  12. 511.

    What is the decimal value of the binary number 10011110?

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    Answer: B. 158

    10011110 = 128 + 16 + 8 + 4 + 2 = 158.

  13. 512.

    What is the decimal value of the binary number 10011111?

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    Answer: C. 159

    10011111 = 128 + 16 + 8 + 4 + 2 + 1 = 159.

  14. 513.

    What is the decimal value of the binary number 10100011?

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    Answer: C. 163

    10100011 = 128 + 32 + 2 + 1 = 163.

  15. 514.

    What is the decimal value of the binary number 10100101?

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    Answer: C. 165

    10100101 = 128 + 32 + 4 + 1 = 165.

  16. 515.

    What is the decimal value of the binary number 10100110?

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    Answer: C. 166

    10100110 = 128 + 32 + 4 + 2 = 166.

  18. 516.

    What is the decimal value of the binary number 10100111?

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    Answer: B. 167

    10100111 = 128 + 32 + 4 + 2 + 1 = 167.

  19. 517.

    What is the decimal value of the binary number 10101000?

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    Answer: C. 168

    10101000 = 128 + 32 + 8 = 168.

  20. 518.

    What is the decimal value of the binary number 10101001?

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    Answer: A. 169

    10101001 = 128 + 32 + 8 + 1 = 169.

  21. 519.

    What is the decimal value of the binary number 10101011?

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    Answer: B. 171

    10101011 = 128 + 32 + 8 + 2 + 1 = 171.

  22. 520.

    What is the decimal value of the binary number 10101101?

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    Answer: C. 173

    10101101 = 128 + 32 + 8 + 4 + 1 = 173.