Which two general-purpose registers are known as the extended index registers?

a. SI, DI

b. EAX, EBX

c. ESI, EDI

d. EBP, ESP

The sum of all powers of 2 from 20 to 28 is 512.

a. True

b. False

Which of the following unsigned decimal values is equivalent to binary 10110011 ?

a. 179

b. 181

c. 182

d. 175

Which of the following signed decimal values is equivalent to binary 11111000 ?

a. -8

b. -16

c. -240

d. +240