Skip to content
OtisamLMS
Sign in Sign up
Computing

Computing · Quick practice · answer shown after each question

Boolean algebra laws and simplification

Question 1 of 10

Question 1 of 10

A + 1 equals

Question 2 of 10

Question 2 of 10

De Morgan's law states that NOT(A + B) equals

Question 3 of 10

Question 3 of 10

A · Ā = ___.

Question 4 of 10

Question 4 of 10

Simplify A·B + A·B̄ + Ā·B, stating the law used at each step.

Question 5 of 10

Question 5 of 10

A · Ā = 0.

Question 6 of 10

Question 6 of 10

In Boolean algebra, A + A equals

Question 7 of 10

Question 7 of 10

A + 1 = ___ in Boolean algebra.

Question 8 of 10

Question 8 of 10

State and verify De Morgan's two laws using truth tables.

Question 9 of 10

Question 9 of 10

Explain why engineers simplify Boolean expressions before building circuits.

Question 10 of 10

Question 10 of 10

A + A·B simplifies to A + B.

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.