Data units and file sizes: bits, bytes and beyond

9.Arrange these file sizes in order from smallest to largest.

10.Which of the following statements about units of data are TRUE? (select all that apply)

11.A nibble is equal to 4 bits.

12.A file is 2 megabytes (MB). How many kilobytes (KB) is that, using the metric convention?

13.Match each typical data item to its approximate file size.

14.Put these storage units in order from smallest to largest: gigabyte (GB), kilobyte (KB), terabyte (TB), megabyte (MB).

15.Which of the following file sizes are correctly ordered from smallest to largest? (select all that apply)

16.A 1024×1024 pixel bitmap image with 256 colors (8 bits per pixel) uses 1 MiB of storage. How many bits are in 1 MiB?

17.A CD-ROM can typically hold between 650 and 900 megabytes of data.

18.Which of the following statements about data units are TRUE? (select all that apply)

19.Match each typical data item to its approximate size.

20.Arrange these storage capacities from smallest to largest.

21.How many distinct values can an 8-bit byte represent?

22.The symbol for byte is 'B' (uppercase) according to the IEEE 1541-2002 standard.

23.Match each unit to its equivalent in bytes.

24.Arrange these typical file sizes from smallest to largest: a text message, a photo, a three-minute song, a full-length film.

25.Arrange these data units in order from smallest to largest: bit, byte, kilobyte, megabyte.

26.Which of the following are true about the relationship between bits and bytes? (select all that apply)

27.According to the IEEE 1541-2002 standard, the symbol for byte is 'b' (lowercase).

28.Arrange these storage capacities from smallest to largest: 1 KiB, 1 kB, 1 MB, 1 MiB.

29.A computer's main memory is organised into pages. In x86 architectures (since the Intel 80386), a memory page is 4 KiB. How many bytes is that?

30.Which of the following statements about data units are TRUE? (Select all that apply.)

31.A computer word in the IA-32 architecture is 32 bits. How many bytes is that?

32.The IEEE 1541-2002 standard specifies that the symbol for byte is 'B' (uppercase).

33.Which of the following is the correct symbol for a byte according to the IEEE 1541-2002 standard?

34.A nibble can represent the same number of distinct values as a single hexadecimal digit.

35.Match each unit to its equivalent in bits.

36.Put these storage units in order from smallest to largest: KiB, kB, MiB, MB.

37.The bit is the smallest unit of data in digital computing.

38.A nibble is equal to 8 bits.

39.A kilobyte (kB) is always exactly 1000 bytes.

40.Arrange these file sizes from smallest to largest: 1 KiB, 1 kB, 1 Mb, 1 MB.

41.Complete the sentence.

42.What is the smallest unit of data in digital computing?

43.Fill in the blanks to complete the sequence of units from smallest to largest: bit, nibble, byte, ___, megabyte, gigabyte, ___.

44.What is the name for a group of 4 bits?

45.How many bits are there in 3 bytes?

46.A file is 4 KiB in size. How many bytes is that?

47.An old-style hard disk sector is 512 bytes. Express this size in KiB.

48.Fill in the blank to complete the statement about file sizes.

49.A CD-quality audio track plays for 114 minutes at a rate of 1.4 Mbit/s. What is the total amount of data in MB? (Use 1 MB = 1,000,000 bytes, and 1 byte = 8 bits.)

50.Fill in the blank.

51.How many bits are there in 2 bytes?

52.Fill in the blank with the correct binary prefix.

53.Explain why a kilobyte can be either 1000 bytes or 1024 bytes.

54.Explain why a 1 TB hard drive might be advertised as '1 TB' but actually store slightly less than 1,000,000,000,000 bytes when formatted.

55.Explain why a kilobyte can be either 1000 bytes or 1024 bytes, and when each is typically used.

56.A hard disk is advertised as '1 TB' but when formatted it shows slightly less than 1,000,000,000,000 bytes. Explain why this happens.

57.Explain why a 1 TB hard drive might appear to have less than 1,000,000,000,000 bytes of formatted storage, and how the difference between metric and binary prefixes contributes to this.

58.How many bits are there in 3 bytes?

59.A file is 4 KiB in size. How many bytes is that?

60.An old-style hard disk sector is 512 bytes. Express this size in KiB.

61.A CD-quality audio track plays for 114 minutes at a rate of 1.4 Mbit/s. What is the total amount of data in MB? (Use 1 MB = 1,000,000 bytes, and 1 byte = 8 bits.)

62.How many bits are there in 2 bytes?