Explore topic-wise MCQs in Engineering.

How many gates would be required to implement the following Boolean expression after simplification? XY + X(X + Z) + Y(X + Z)

What is the primary motivation for using Boolean algebra to simplify logic expressions?

An AND gate with schematic "bubbles" on its inputs performs the same function as a(n)________ gate.

Applying DeMorgan's theorem to the expression , we get ________.

Applying DeMorgan's theorem to the expression , we get ________.

Which of the following is an important feature of the sum-of-products (SOP) form of expression?

Mapping the SOP expression , we get ________.

Derive the Boolean expression for the logic circuit shown below:

Which is the correct logic function for this PAL diagram?

For the SOP expression , how many 0s are in the truth table's output column?

Mapping the standard SOP expression , we get

The Boolean expression is logically equivalent to what single gate?

Applying the distributive law to the expression , we get ________.

AC + ABC = AC

A Karnaugh map is a systematic way of reducing which type of expression?

How many gates would be required to implement the following Boolean expression before simplification? XY + X(X + Z) + Y(X + Z)

Which Boolean algebra property allows us to group operands in an expression in any order without affecting the results of the operation [for example, A + B = B + A]?

For the SOP expression , how many 1s are in the truth table's output column?

Applying DeMorgan's theorem to the expression , we get ________.

A truth table for the SOP expression has how many input combinations?

Determine the values of A, B, C, and D that make the product term equal to 1.

The systematic reduction of logic circuits is accomplished by:

Which output expression might indicate a product-of-sums circuit construction?

Occasionally, a particular logic expression will be of no consequence in the operation of a circuit, such as a BCD-to-decimal converter. These result in ________terms in the K-map and can be treated as either ________ or ________, in order to ________ the resulting term.

The NAND or NOR gates are referred to as "universal" gates because either:

Converting the Boolean expression LM + M(NO + PQ) to SOP form, we get ________.

One of De Morgan's theorems states that . Simply stated, this means that logically there is no difference between:

Applying DeMorgan's theorem to the expression , we get ________

The output of an AND gate with three inputs, A, B, and C, is HIGH when ________.

Convert the following SOP expression to an equivalent POS expression.

Determine the values of A, B, C, and D that make the sum term equal to zero.

Derive the Boolean expression for the logic circuit shown below:

What is the difference between a 7400 and a 7411 IC?

If the output of a three-input AND gate must be a logic LOW, what must the condition of the inputs be?

What are the pin numbers of the outputs of the gates in a 7432 IC?

If the input to a NOT gate is A and the output is X, then ________.

If a 3-input AND gate has eight input possibilities, how many of those possibilities will result in a HIGH output?

The Boolean expression for a 3-input AND gate is ________.

What does the small bubble on the output of the NAND gate logic symbol mean?

The output of an exclusive-OR gate is HIGH if ________.

A CMOS IC operating from a 3-volt supply will consume ________.

TTL operates from a ________.

The power dissipation, P_D, of a logic gate is the product of the ________.

Which of the following choices meets the minimum requirement needed to create specialized waveforms that are used in digital control and sequencing circuits?

The expression W(X + YZ) can be converted to SOP form by applying which law?

The output of a NOR gate is HIGH if ________.

The switching speed of CMOS is now ________.

How many pins does the 4049 IC have?

The commutative law of addition and multiplication indicates that:

The output of an OR gate with three inputs, A, B, and C, is LOW when ________.