Transcode (574)₈ to hexadecimal, then choose the correct insertion.

Find the correct result of the following subtraction using the 2's complement : 

                               (00011101-00010011)

Convert (30)₁₀ to gray code, which insertion corresponds to the correct answer?

What's the range of numbers that can be represented by 4-bits binary signed numbers?

Select the decimal equivalent to the following signed binary number: 1000 0010

Select the decimal equivalent to the following unsigned binary number: 0101 0001

Subtract (15-20) using the modified 2’s complement with 8 bits word, choose the correct insertion.

Multiply (1101*11), then choose the correct insertion

Transcode (11101011001)₂ to octal, then choose the correct answer.