8. The dual of the switching function x + yz is:1) yzx 2) zyx 3)  zyx 4)  zyx 9. The sum of two hexadecimal numbers 23D and 9AA gives the hexadecimal number1) AF72) BF63) BE74) BE510. An AND gate has 7 input. How many input words are in its truth table?1) 642) 323) 164) 12811. Functions defined with class name are called as1) Inline function2) Friend function3) Constructor4) Static function12. Identify the incorrect file opening mode from the following.1) r2) w3) x4) a

8. The dual of the switching function x + yz is:1) yzx 2) zyx 3)  zyx 4)  z

How many basic logic gates are there? Question 3Answera.2 b.3 c.4 d.5

define digital logic and logic gates; *12.2.2 differentiate between sequential and combinational logiccircuits;*12.2.3 define a truth table; *12.2.4 explain the following logic gates in terms of number of inputsand outputs using truth tables:*a. ANDb. ORc. NOTd. NANDe. NORf. Exclusive OR (XOR)g. Exclusive NOR (XNOR);12.2.5 identify logic gates from the truth table; *12.2.6 construct truth table for logic circuits; *12.2.7 construct logic circuit to solve a given real life problem; *12.3 Karnaugh Map (K-Map) 12.3.1 Simplify two-variable and three-variable Boolean functionsusing Karnaugh map.*

The combination of which two gates can be used to implement any logic function? Choose the most appropriate answer.

obtain the truth table of xy+y'z+x'y'+x'z and then implement the function using logic gates