☰ Contents · Computing

Logical operations

Lessons 4 · 1 lessons · B. Boltayev, A. Azamatov, A. Asqarov, M. Sodiqov, G. Azamatova. Fundamentals of Informatics and Computer Technology, Grade 8. Second edition. “O‘zbekiston milliy ensiklopediyasi” State Scientific Publishing House, Tashkent, 2015
Answers are for parents and teachers.
1
Build the truth table of A ∨ ¬B (rows (A,B) = 11, 10, 01, 00).
2
With A = 0, B = 1, C = 1 evaluate A ∨ B ∧ ¬C.
3
A = “It is raining”, B = “I have an umbrella”. Express A ∧ ¬B in words.
4
Find the value of (3 > 5) ∨ (2 + 2 = 4).