Page 1107 - Basic Electrical Engineering
P. 1107
[Ans (a) 1001; (b) 1001; (c) 11; (d) 9]
29. Add hexadecimal numbers 3E91 and 2F93.
[Ans 6E 24]
30. Solve the following conversion.
a. (110001) = (?) ;
10
2
b. (23.6) = (?) ;
2
10
c. (BCA 3.AD) = (?) .
2
16
[Ans (a) 49; (b) 10111.1001100; (c) 1011110010100011.10101101]
C. Multiple Choice Questions
1. A NOR gate is equivalent to
a. inverters connected to the output of an AND gate
b. an inverter connected to the inputs of a NAND gate
c. inverters connected to the inputs of an OR gate
d. an inverter connected to the output of an OR gate.
2. The sum of binary 10011 and 0111 is
a. 01011
b. 11010
c. 11101
d. 10111.
3. Which of the following statements is true according to De Morgan’s theorems?
a.
b.
c.
d.
4. Connecting of inverters at all the inputs of an AND gate produces a
