3 - What decimal number does the bit pattern 10101010 represent if it is a:

[1 pts] unsigned integer?

[1 pts] sign-magnitude integer?

[1 pts] two's complement integer?

4 - What decimal number does the bit pattern 01010101 represent if it is a:

[1 pts] unsigned integer?

[1 pts] sign-magnitude integer?

[1 pts] two's complement integer?