Logic Gates – Combination of Logic Gate

  1. Logic gates can be combined together to perform certain tasks.
  2. The output can be determined by constructing a truth table.

Example 1:

In the combination of logic gates above, find the outputs X, Y and Z of the inputs A and B.
Answer:

INPUTOUTPUT
ABXYZ
00111
01101
10111
11000

Example 2:

In the combination of the logic gate above, find the outputs X, Y and Z of the inputs A and B.
Answer:

INPUTOUTPUT
ABXYZ
00111
01101
10011
11000

Example 3:

In the combination of the logic gate above, find the outputs X, Y and Z of the inputs A and B.
Answer:

INPUTOUTPUT
ABWXYZ
000010
011000
101100
111100

Example 4:

In the combination of the logic gate above, find the outputs X, Y and Z of the inputs A and B.
Answer:

INPUTOUTPUT
ABWXYZ
000011
011000
101000
111101