1. What is 5.5₁₀ in Binary?

a. 101.101

b. 101.1

c. 1.1

d. 1011

2. What is A.2₁₆ in Binary?

a. 1010.1

b. 1010.001

c. 1010.01

d. 1010.0001

3. Which of the following expression represents the 4-bit unsigned binary number 1110?

a. 0 * 2 ⁰ + 1 * 2 ¹ + 1 * 2 ²+ 1 * 2 ³ = 14

b. 0 * 2 ⁰ + 1 * 2 ¹ + 1 * 2 ² - 1 * 2 ³ = - 2

c. 1 * 2 ⁰ + 0 * 2 ¹ + 1 * 2 ² - 0 * 2 ³ = 5

d. 1 * 2 ⁰ + 1 * 2 ¹ + 1 * 2 ² + 0 * 2 ³ = 7

4. Which of the following expression represents the 4-bit 2s complement number 1110?

a. 0 * 2 ⁰ + 1 * 2 ¹ + 1 * 2 ²+ 1 * 2 ³ = 14

b. 0 * 2 ⁰ + 1 * 2 ¹ + 1 * 2 ² - 1 * 2 ³ = - 2

c. 1 * 2 ⁰ + 0 * 2 ¹ + 1 * 2 ² - 0 * 2 ³ = 5

d. 1 * 2 ⁰ + 1 * 2 ¹ + 1 * 2 ² + 0 * 2 ³ = 7