Grade 10 Digital literacy worksheet

What is on the worksheet

1. How many bits are in 2256 bytes?

2. How many bits are in 9130 bytes?

3. A raw image is 162 × 37 pixels with 4 bytes per pixel. Ignoring headers and compression, how many bytes?

4. A raw image is 109 × 177 pixels with 2 bytes per pixel. Ignoring headers and compression, how many bytes?

5. A raw image is 73 × 71 pixels with 1 bytes per pixel. Ignoring headers and compression, how many bytes?

6. A raw image is 60 × 115 pixels with 1 bytes per pixel. Ignoring headers and compression, how many bytes?

7. A graph is reposted without its caption. What context might be missing?

8. A file shrinks from 840 KB to 336 KB. What percentage of its original size was saved?

9. A file shrinks from 560 KB to 252 KB. What percentage of its original size was saved?

10. How many bits are in 3551 bytes?

11. How many bits are in 290 bytes?

12. How many bits are in 8085 bytes?

13. How many bits are in 944 bytes?

14. A file shrinks from 560 KB to 392 KB. What percentage of its original size was saved?

15. A file shrinks from 80 KB to 40 KB. What percentage of its original size was saved?

16. An online image claims to show an event, but no date is given. What should you check?

    1. the number of emoji only
    2. the first comment only
    3. whether the caption is exciting
    4. the original context, source and date

17. A file shrinks from 620 KB to 465 KB. What percentage of its original size was saved?

18. A raw image is 173 × 43 pixels with 1 bytes per pixel. Ignoring headers and compression, how many bytes?

19. How many bits are in 5039 bytes?

20. How many bits are in 7158 bytes?