Exercise (1): (3 points) Select the correct answer: a) The octal number corresponds to the hexadecimal number E7C.B is 1. 6574.54 2. 7174.13 3. 7174.54 4. 1637.13 b) The Binary number that corresponds to the decimal number 40.125 is: 1. 100011.01 2. 101000.001 3. 1001011.1 4. 1101101.001 c) The BCD code corresponds to the binary number 11011.1 is: 1. 00100111.0101 2. 11011.1 3. 00010001000000010001.0001 4. 00100111.1 d) The decimal number corresponds to the octal number 11.1 is: 5. 9.2 6. 9.125 7. 272.2 8. 272.125 9. e) Which of the following logic functions illustrated by Fig.1? 1. XOR 2. AND 3. NOR 4. NAND Fig. 1 Which of the following Boolean functions describes the circuit in Fig.2? 1. X = (A.B)+ (BC) 2. X = (A. B) + (B.C) 3. X= (A.B). (B+C) 4. X = (A. B)+(B.C) Fig. 2