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Grade 11 · Computer science

Grade 11 Digital literacy worksheet

20 questions on digital literacy. The answer key is a separate download.

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What is on the worksheet

  1. A raw image is 87 × 119 pixels with 1 bytes per pixel. Ignoring headers and compression, how many bytes?

  2. A raw image is 179 × 45 pixels with 1 bytes per pixel. Ignoring headers and compression, how many bytes?

  3. A raw image is 120 × 26 pixels with 1 bytes per pixel. Ignoring headers and compression, how many bytes?

  4. A raw image is 54 × 149 pixels with 3 bytes per pixel. Ignoring headers and compression, how many bytes?

  5. A raw image is 61 × 146 pixels with 2 bytes per pixel. Ignoring headers and compression, how many bytes?

  6. A raw image is 181 × 121 pixels with 3 bytes per pixel. Ignoring headers and compression, how many bytes?

  7. A raw image is 133 × 153 pixels with 4 bytes per pixel. Ignoring headers and compression, how many bytes?

  8. A raw image is 171 × 41 pixels with 3 bytes per pixel. Ignoring headers and compression, how many bytes?

  9. A raw image is 93 × 93 pixels with 1 bytes per pixel. Ignoring headers and compression, how many bytes?

  10. A raw image is 180 × 60 pixels with 3 bytes per pixel. Ignoring headers and compression, how many bytes?

  11. A raw image is 72 × 28 pixels with 4 bytes per pixel. Ignoring headers and compression, how many bytes?

  12. A raw image is 103 × 11 pixels with 4 bytes per pixel. Ignoring headers and compression, how many bytes?

  13. A raw image is 137 × 24 pixels with 2 bytes per pixel. Ignoring headers and compression, how many bytes?

  14. A raw image is 158 × 120 pixels with 2 bytes per pixel. Ignoring headers and compression, how many bytes?

  15. A raw image is 93 × 102 pixels with 4 bytes per pixel. Ignoring headers and compression, how many bytes?

  16. Three recorded values are 4, 6 and 8. Ignoring one explicitly missing value, find the mean of the recorded values.

  17. A raw image is 83 × 193 pixels with 3 bytes per pixel. Ignoring headers and compression, how many bytes?

  18. A raw image is 78 × 66 pixels with 4 bytes per pixel. Ignoring headers and compression, how many bytes?

  19. A raw image is 127 × 192 pixels with 1 bytes per pixel. Ignoring headers and compression, how many bytes?

  20. A raw image is 98 × 45 pixels with 3 bytes per pixel. Ignoring headers and compression, how many bytes?

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