Grade 8 Digital literacy worksheet

What is on the worksheet

1. A raw image is 146 × 90 pixels with 3 bytes per pixel. Ignoring headers and compression, how many bytes?

2. A raw image is 114 × 144 pixels with 1 bytes per pixel. Ignoring headers and compression, how many bytes?

3. How many bits are in 7140 bytes?

4. An image is 360 pixels wide and 160 pixels high. How many pixels does it contain?

5. A file shrinks from 240 KB to 192 KB. What percentage of its original size was saved?

6. An image is 250 pixels wide and 220 pixels high. How many pixels does it contain?

7. How many bits are in 7021 bytes?

8. How many bits are in 6803 bytes?

9. An image is 390 pixels wide and 80 pixels high. How many pixels does it contain?

10. A raw image is 114 × 163 pixels with 2 bytes per pixel. Ignoring headers and compression, how many bytes?

11. How many bits are in 6217 bytes?

12. How many bits are in 2234 bytes?

13. How many bits are in 956 bytes?

14. A raw image is 59 × 162 pixels with 3 bytes per pixel. Ignoring headers and compression, how many bytes?

15. How many bits are in 5573 bytes?

16. A raw image is 53 × 52 pixels with 2 bytes per pixel. Ignoring headers and compression, how many bytes?

17. A raw image is 150 × 61 pixels with 4 bytes per pixel. Ignoring headers and compression, how many bytes?

18. A raw image is 125 × 175 pixels with 2 bytes per pixel. Ignoring headers and compression, how many bytes?

19. An image is 160 pixels wide and 300 pixels high. How many pixels does it contain?

20. How many bits are in 3759 bytes?