# Logic Gates, Boolean Algebra, ETC.

Approved & Edited by ProProfs Editorial Team
The editorial team at ProProfs Quizzes consists of a select group of subject experts, trivia writers, and quiz masters who have authored over 10,000 quizzes taken by more than 100 million users. This team includes our in-house seasoned quiz moderators and subject matter experts. Our editorial experts, spread across the world, are rigorously trained using our comprehensive guidelines to ensure that you receive the highest quality quizzes.
| By ELENWorkgroup
E
ELENWorkgroup
Community Contributor
Quizzes Created: 5 | Total Attempts: 2,960
Questions: 14 | Attempts: 739

Settings

Logic gate practice

• 1.

### A 74HC00 contains _________ gates.

• A.

NAND

• B.

AND

• C.

OR

• D.

NOT

A. NAND
Explanation
A 74HC00 contains NAND gates. The 74HC00 is a quad 2-input NAND gate integrated circuit, meaning it contains four individual NAND gates within a single package. Each NAND gate has two inputs and one output, and its output is the inverse of the logical AND operation performed on its inputs. Therefore, the correct answer is NAND.

Rate this question:

• 2.

### A 74HC08 contains _________ gates.

• A.

NAND

• B.

AND

• C.

OR

• D.

NOT

B. AND
Explanation
A 74HC08 contains AND gates.

Rate this question:

• 3.

### Determine the output:

1
Explanation
The output is 1 because the given input is 1 and there are no operations or transformations applied to it. Therefore, the output remains the same as the input.

Rate this question:

• 4.

0
• 5.

### A 74HC04 contains _________ gates.

• A.

AND

• B.

NOR

• C.

NOT

• D.

NAND

C. NOT
Explanation
A 74HC04 contains NOT gates.

Rate this question:

• 6.

### A 74HC02 contains _________ gates.

• A.

NAND

• B.

NOR

• C.

NOT

• D.

AND

B. NOR
Explanation
A 74HC02 is a type of integrated circuit that contains NOR gates. NOR gates are logic gates that produce an output only when both inputs are low. They are commonly used in digital circuits for various applications such as logic operations and memory storage. Therefore, the correct answer to the question is NOR.

Rate this question:

• 7.

### 2-Input NAND Truth Table Output (Top to Bottom)

1110
Explanation
The given truth table represents a 2-input NAND gate. In a NAND gate, the output is only low (0) when both inputs are high (1). In all other cases, the output is high (1). Looking at the truth table, we can see that for all four input combinations (00, 01, 10, 11), the output is high (1), except for the last combination where both inputs are high (1) and the output is low (0). Therefore, the answer is 1110.

Rate this question:

• 8.

### 2-Input NOR Truth Table Output (Top to Bottom)

1000
Explanation
The given NOR truth table has 2 inputs and 1 output. The top row represents the inputs, and the bottom row represents the output. In this case, the output is 1 when both inputs are 0, and it is 0 for all other combinations of inputs. Therefore, the correct answer is 1000, indicating that the output is 1 for the given input combination.

Rate this question:

• 9.

### 2-Input AND Truth Table Output (Top to Bottom)

0001
Explanation
The given truth table represents a 2-input AND gate. In an AND gate, the output is only true (1) when both inputs are true (1). Looking at the truth table, we can see that the output is 1 only when both inputs are 1, and it is 0 for all other combinations of inputs. Therefore, the correct answer is 0001, which indicates that the output is 1 when both inputs are 0 and 0, and 1 when both inputs are 1.

Rate this question:

• 10.

### 2-Input OR Truth Table Output (Top to Bottom)

0111
Explanation
The given truth table shows the output of a 2-input OR gate. The inputs are represented by the first two columns, and the output is represented by the last column. In this case, the output is "0111", which means that the OR gate produces a logic high (1) when at least one of the inputs is high. The first input is low (0), and the second input is high (1), so the output is high (1). The third and fourth inputs are both high (1), so the output remains high (1) in both cases. Therefore, the output sequence is "0111".

Rate this question:

• 11.

### XOR Truth Table Output (Top to Bottom)

0110
Explanation
The given XOR truth table output is 0110. This means that when the two inputs to the XOR gate are 0 and 1, the output is 0. Similarly, when the inputs are 1 and 0, the output is 0. When the inputs are 0 and 0, the output is 1. And when the inputs are 1 and 1, the output is 0. Therefore, the XOR gate follows this pattern and the given output sequence matches the truth table for XOR.

Rate this question:

• 12.

### XNOR Truth Table Output (Top to Bottom)

1001
Explanation
The XNOR truth table output is shown as 1001 from top to bottom. This means that the XNOR operation is performed on four inputs, resulting in an output of 1 when all four inputs are the same (either all 0s or all 1s), and an output of 0 when the inputs are not all the same. In this case, since the output is 1001, it implies that all four inputs are 1, indicating that the inputs are all the same and the XNOR operation returns a value of 1.

Rate this question:

• 13.

### A sine wave has a period of 10ms. f = ? (in Hertz)

100
Explanation
The frequency of a sine wave is the number of complete cycles it completes in one second. Given that the period of the sine wave is 10ms, which is equivalent to 0.01 seconds, we can calculate the frequency by taking the reciprocal of the period. Thus, the frequency of the sine wave is 1/0.01 = 100 Hertz.

Rate this question:

• 14.

### A sine wave has a period of 20ms. f = ? (in Hertz)

50
Explanation
The frequency of a sine wave is the number of complete cycles it completes in one second. Since the period of the sine wave is given as 20ms (milliseconds), we can calculate the frequency by taking the reciprocal of the period. Converting 20ms to seconds gives us 0.02s. Taking the reciprocal of 0.02s gives us a frequency of 50Hz (Hertz), which is the number of cycles per second.

Rate this question:

Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

• Current Version
• Mar 20, 2023
Quiz Edited by
ProProfs Editorial Team
• Jan 08, 2011
Quiz Created by
ELENWorkgroup

Related Topics