IOM 2017, Блиц — Задача 67

OLYMPIAD OF METROPOLISES. Moscow, September 4 · 4 септември 2017 г.

Условие

The following circuit board receives A, B and C inputs. Logic gates produce D value:

Logic circuit with inputs A, C and B on the left: NOT gates on A, C and on an intermediate signal, a NOT AND gate, AND gates and a final OR gate producing the output D.

First, complete the Truth table based on A, B and C values (0=false, 1=true).
What is the sum of elements in the Truth table D column?

Reference table of gate symbols: NOT gate (input A, output out), AND gate (inputs A, B), OR gate (inputs A, B), NOT AND gate (inputs A, B).
For reference:

For reference:

Отговори

Решение

Оригинал в Архива: blitz.pdf · официални решения: answers-blitz.pdf