To implement all Logic gates and operate DC load with the help of Push-to-ON and OFF switch and a switching relay.

Q1. In digital circuits, what does "high" and "low" refer to?

a. Voltage level

b. Current level

c. Resistance level

d. Power level

Q2. Which gate can be used to invert the input signal?

a. AND

b. OR

c. NOT

d. None of these

Q3. Which of the following gates is known as a universal gate?

a. OR

b. NAND

c. AND

d. NOT

Q4. Which gate's output is always the inverse of the OR gate's output for the same inputs?

a. NAND

b. OR

c. AND

d. NOR

Q5. Which of the following is NOT a basic logic gate?

a. AND

b. XOR

c. OR

d. NOT