Write down the sysmbol and truth table of OR gate.

Write down the symbol and truth table OR gate.

Show the logic symbol and truth table of: (i) OR gate (ii) AND gate (iii) NOT gate.

Draw the truth table for NOR gate.

Prepare the truth table of NOR gate.

Write down the uses of radio waves.

Write down the truth table for the compound statements : (~pvvq)^^(~p^^~q)

Draw the circuit diagram of an OR gate using p-n junction diodes. Write down the table ofan OR gate.

An OR gate is operated by using positve logic. What role will the OR gate play if we use negative logic? Or, Show that, the truth table of an OR gate in negative logic is similar to that of an AND gate in positive logic.

What is the total number of elements incorporated till not in the periodic table? Write down the name and symbol of the last element.