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Computer MCQs (page 28 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 541–560.

  1. 541.

    What is the decimal value of the binary number 11001111?

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    Answer: B. 207

    11001111 = 128 + 64 + 8 + 4 + 2 + 1 = 207.

  2. 542.

    What is the decimal value of the binary number 11010001?

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    Answer: B. 209

    11010001 = 128 + 64 + 16 + 1 = 209.

  3. 543.

    What is the decimal value of the binary number 11010010?

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    Answer: C. 210

    11010010 = 128 + 64 + 16 + 2 = 210.

  4. 544.

    What is the decimal value of the binary number 11010011?

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    Answer: B. 211

    11010011 = 128 + 64 + 16 + 2 + 1 = 211.

  5. 545.

    What is the decimal value of the binary number 11010100?

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    Answer: B. 212

    11010100 = 128 + 64 + 16 + 4 = 212.

  7. 546.

    What is the decimal value of the binary number 11010101?

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    Answer: C. 213

    11010101 = 128 + 64 + 16 + 4 + 1 = 213.

  8. 547.

    What is the decimal value of the binary number 11010110?

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    Answer: C. 214

    11010110 = 128 + 64 + 16 + 4 + 2 = 214.

  9. 548.

    What is the decimal value of the binary number 11011010?

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    Answer: A. 218

    11011010 = 128 + 64 + 16 + 8 + 2 = 218.

  10. 549.

    What is the decimal value of the binary number 11011110?

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    Answer: C. 222

    11011110 = 128 + 64 + 16 + 8 + 4 + 2 = 222.

  11. 550.

    What is the decimal value of the binary number 11011111?

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    Answer: C. 223

    11011111 = 128 + 64 + 16 + 8 + 4 + 2 + 1 = 223.

  12. 551.

    What is the decimal value of the binary number 11100000?

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    Answer: C. 224

    11100000 = 128 + 64 + 32 = 224.

  13. 552.

    What is the decimal value of the binary number 11100011?

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    Answer: C. 227

    11100011 = 128 + 64 + 32 + 2 + 1 = 227.

  14. 553.

    What is the decimal value of the binary number 11100100?

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    Answer: C. 228

    11100100 = 128 + 64 + 32 + 4 = 228.

  15. 554.

    What is the decimal value of the binary number 11100101?

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    Answer: C. 229

    11100101 = 128 + 64 + 32 + 4 + 1 = 229.

  16. 555.

    What is the decimal value of the binary number 11100110?

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    Answer: A. 230

    11100110 = 128 + 64 + 32 + 4 + 2 = 230.

  18. 556.

    What is the decimal value of the binary number 11101000?

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    Answer: C. 232

    11101000 = 128 + 64 + 32 + 8 = 232.

  19. 557.

    What is the decimal value of the binary number 11101001?

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    Answer: B. 233

    11101001 = 128 + 64 + 32 + 8 + 1 = 233.

  20. 558.

    What is the decimal value of the binary number 11101010?

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    Answer: C. 234

    11101010 = 128 + 64 + 32 + 8 + 2 = 234.

  21. 559.

    What is the decimal value of the binary number 11101100?

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    Answer: B. 236

    11101100 = 128 + 64 + 32 + 8 + 4 = 236.

  22. 560.

    What is the decimal value of the binary number 11101111?

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    Answer: C. 239

    11101111 = 128 + 64 + 32 + 8 + 4 + 2 + 1 = 239.