# Digital Logic - Logic functions & Minimization

11:

A graphical display of the fundamental products in a truth-table is known as

 A. Mapping B. Graphing C. T-map D. karnaugh-map Answer Report Discuss Option: D Explanation : Click on Discuss to view users comments. Write your comments here:
12:

Consider following switching function:
f(w, x, y, z) = w'x' + w'x y'+ wx'z'+ wxy
For this function, which of the following is list of essential prime impicants ?

 A. w' x', w' y', x' y', wxy, wyz B. wxy, wyz' C. w' x', w' y', x' z' D. w' x', w' y', x' z, wxy' Answer Report Discuss Option: C Explanation : Click on Discuss to view users comments. Write your comments here:
13:

If set x = {a, b, c, d}, then number of binary operations that can be defined on x is

 A. 42 B. 24 C. 216 D. 416 Answer Report Discuss Option: C Explanation : Click on Discuss to view users comments. Write your comments here:
14:

The number of Boolean functions that can be deined for n Boolean variables over k-valued Boolean algebra are

 A. 22n B. kkn C. nk D. n Answer Report Discuss Option: B Explanation : Click on Discuss to view users comments. Write your comments here:
15:

The minimum number of NAND gates required to implement the Boolean function. A + AB' + AB'C is equal to

 A. zero B. 1 C. 4 D. 7 Answer Report Discuss Option: A Explanation : y = A + AB'+AB'C = A + AB'(1+C) =A + AB' = A(1+B') =A Click on Discuss to view users comments. Write your comments here: