MCQ Bank

Amdahl's law describes the limit on speedup from parallelization based on the:

The commutative law of Boolean algebra states that A + B equals:

A NOR gate produces an output of 1 only when:

A surrogate key is a primary key that is:

The distributive law of Boolean algebra states that A(B + C) equals:

A gateway in networking is a device that:

Which SQL aggregate function returns the number of rows in a group?

Which logic gate outputs 1 when its two inputs are different?

Which algorithm can compute shortest paths in a graph that contains negative edge weights?

Which SQL clause is used to filter groups produced by aggregation?

Which logic gate outputs 1 only when all of its inputs are 1?

A NAND gate is functionally complete, meaning:

Which algorithm finds shortest paths from a single source in a graph with non-negative edge weights?

A current of 10 Amperes flows through a resistor with a resistance of 41 Ohms. According to Ohm's Law, what is the voltage drop across the resistor?

Using the Ideal Gas Law (PV=nRT), calculate the approximate volume occupied by 5 moles of an ideal gas at 1 atm pressure and 400 K. (Assume R = 0.0821 L·atm/mol·K)

A current of 2 Amperes flows through a resistor with a resistance of 41 Ohms. According to Ohm's Law, what is the voltage drop across the resistor?

A current of 7 Amperes flows through a resistor with a resistance of 42 Ohms. According to Ohm's Law, what is the voltage drop across the resistor?

A current of 4 Amperes flows through a resistor with a resistance of 46 Ohms. According to Ohm's Law, what is the voltage drop across the resistor?

Using the Ideal Gas Law (PV=nRT), calculate the approximate volume occupied by 2 moles of an ideal gas at 1 atm pressure and 400 K. (Assume R = 0.0821 L·atm/mol·K)

Using the Ideal Gas Law (PV=nRT), calculate the approximate volume occupied by 3 moles of an ideal gas at 1 atm pressure and 400 K. (Assume R = 0.0821 L·atm/mol·K)