1. Analogue to Digital converter: takes real-world analogue data and converts it to a binary representation that can be stored on a computer

2. Data about data is referred to as:

3. What is a 106 in Hexadecimal?

5. Sound waves are ________ which means they are continuously changing.

6. The number of bits used to store each sample. The more bits used the better the accuracy of the sound file

7. The largest value you can have with four bits is:

8. What is the result in binary after doing the left shift?

9. If we wish to ______ we shift every bit to the left by one and insert a zero to the
rightmost bit. The original leftmost bit is discarded.

10. In decimal, you have the number 468, which is 111010100 in Binary. Shift it to the left to multiply by two and what happens?

11. In the following example, can you spot the error. We are trying to divide 8 using binary shift.

12. Can you spot the error in this binary shift (division)?

13. What statement is true about this lossy compression of images?

14. What is the benefit of compressing an image file for a use on a website?

15. A film could take up to an hour to download in uncompressed format whilst a compressed file could take just 12 minutes

16. Lossless compression is whenâ€¦

17. Fill in the blanks for RLE

18. In the following picture we compress â€¦

19. Run-length encoding isnâ€™t a very effective option when compressing texts, but for images â€¦

20. In "Peter Piper picked a peck of pickled peppers" the total no. of characters is â€¦.

21. A group of four bits, or half a byte, is sometimes called a ____________________

23. 1 byte can be used to store

24. This shows a memory stick withâ€¦.

25. bits, bytes, megabytes, gigabytes, terabytes etc are all used toâ€¦

26. A bit can be used to:

27. A byte can be used to

28. The symbol for byte is uppercase B. 16 bytes would be written as

29. A kilobyte is thought of as approximately 1000 bytes but to be accurate it is:

30. Have a look at the table below which shows the units of information leading to memory. Fill in the blanks