Explanation:

- The logical order of data storage units starts from the smallest to the largest.

- Arrange them as follows:

1. Byte: The basic unit of digital information.

2. Kilobyte: Equals 1024 bytes.

3. Megabyte: Equals 1024 kilobytes.

4. Gigabyte: Equals 1024 megabytes.

5. Terabyte: Equals 1024 gigabytes.

- Option: 1, 5, 2, 4, 3

- Arranges units from the smallest to the largest, beginning with a Byte and ending with a Terabyte.

- Option: 2, 1, 5, 4, 2, 3

- Incorrect as units do not follow a logical increasing order.

- Option: 3, 1, 5, 2, 4, 3

- Incorrect as Terabyte should be the largest but is not positioned last.

- Option: 4, 1, 5, 2, 3, 4

- Incorrect as Gigabyte appears twice and does not follow a correct order.