Associate Certified Electronic Technician Practice Exam

To determine the decimal equivalent of the binary number 01101010, it's important to understand how binary numbers work. Binary is a base-2 numeral system, which means each digit represents a power of 2, starting from the rightmost digit which represents \(2^0\).

Breaking down the binary number 01101010:

- Starting from the right, the positions (or weights) of the binary digits are:

- 0 (2^7)

- 1 (2^6)

- 1 (2^5)

- 0 (2^4)

- 1 (2^3)

- 0 (2^2)

- 1 (2^1)

- 0 (2^0)

Calculating each of these:

- 0 × 128 (2^7) = 0

- 1 × 64 (2^6) = 64

- 1 × 32 (2^5) = 32

- 0 × 16 (2^4) = 0

- 1 × 8 (2^3) = 8

- 0 × 4 (2^2) =