Industrial Maintenance Technician Practice Test 2025 – 400 Free Practice Questions to Pass the Exam

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What is the octal equivalent for the decimal numbers 1-15?

0-7

The octal number system is base 8, meaning it uses eight symbols: 0, 1, 2, 3, 4, 5, 6, and 7. When converting decimal numbers into octal, the decimal numbers 1 through 7 directly correspond to themselves in octal format. However, starting from 8, the representation in octal begins anew, where 8 is represented as 10 in octal.

In this case, the decimal numbers from 1 to 15 convert to octal as follows:

- Decimal 1 to 7 remain the same in octal.

- Decimal 8 is represented as 10 in octal.

- Decimal 9 as 11, 10 as 12, 11 as 13, 12 as 14, 13 as 15, and 14 as 16 in octal.

- Finally, decimal 15 translates to 17 in octal.

Thus, the correct representation of the decimal numbers from 1 to 15 in octal form ranges from 1-17, but since we are only looking at the simplest range of octal numbers, the answer focuses on the octal numbers that correspond directly to decimal

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