describing-logic-circuits digital-electronics question and answers -Page 3

CuriousTab

CuriousTab

C Programming C# Programming C++ Programming Database Java Programming Networking

Biochemical Engineering Biochemistry Biotechnology Chemical Engineering Civil Engineering Computer Science Digital Electronics Electrical Engineering Electronics Electronics and Communication Engineering Mechanical Engineering Microbiology Technical Drawing

Current Affairs General Knowledge

Data Interpretation Logical Reasoning Non Verbal Reasoning Verbal Ability Verbal Reasoning

AIEEE Bank Exams CAT GATE IIT JEE TOEFL

Analyst Bank PO Database Administrator IT Trainer Network Engineer Project Manager Software Architect

Describing Logic Circuits problems

1. For a three-input OR gate, with the input waveforms as shown below, which output waveform is correct?
Options
A. a
B. b
C. c
D. d

Correct Answer: b

2. Which of the figures given below represents a NOR gate?
Options
A. a
B. b
C. c
D. d

Also asked in:

Correct Answer: d

3. For a 3-input NAND gate, with the input waveforms as shown below, which output waveform is correct?
Options
A. a
B. b
C. c
D. d

Also asked in:

Correct Answer: c

4. Simplify the expression using DeMorgan's theorems.
Options
A.
B.
C.
D.

Correct Answer:

5. Which timing diagram shown below is correct for an inverter?
Options
A. a
B. b
C. c
D. d

Correct Answer: b

6. Which of the figures given below represents a NAND gate?
Options
A. a
B. b
C. c
D. d

Correct Answer: a

7. Which logic gate does this truth table describe?
Options
A. AND
B. OR
C. NAND
D. NOR

Correct Answer: NOR

8. Which of the examples below expresses the distributive law?
Options
A. (A + B) + C = A + (B + C)
B. A(B + C) = AB + AC
C. A + (B + C) = AB + AC
D. A(BC) = (AB) + C

Correct Answer: A(B + C) = AB + AC

9. A small circle on the output of a logic gate is used to represent the:
Options
A. Comparator operation.
B. OR operation.
C. NOT operation.
D. AND operation.

Correct Answer: NOT operation.

10. The complement of 1 is 0.
Options
A. True
B. False

Correct Answer: True

First 2 3 4 5 6

More in Digital Electronics:

Boolean Algebra and Logic Simplification Code Converters and Multiplexers Combinational Logic Analysis Combinational Logic Circuits Computers Counters Describing Logic Circuits Digital Arithmetic Operations and Circuits Digital Concepts Digital Design Digital Signal Processing Digital System Projects Using HDL Ex-OR and Ex-NOR Gates Flip-Flops Integrated-Circuit Logic Families Integrated Circuit Technologies Interfacing to the Analog World Logic Families and Their Characteristics Logic Gates Memory and Storage Microprocessor Fundamentals MSI Logic Circuits Multivibrators and 555 Timer Number Systems and Codes Programmable Logic Device Shift Registers Signals and Switches The 8051 Microcontroller

Aptitude

Time and Distance
Volume and Surface Area
Problem on Trains
Permutation and Combination

Engineering

Civil Engineering
Computer Science
Mechanical Engineering
Technical Drawing

Programming

C Programming
C# Programming
C++ Programming
Java Programming

Reasoning

Logical Reasoning
Non Verbal Reasoning
Verbal Ability
Verbal Reasoning

Links

About Us
Contact Us
Privacy Policy
Sitemap

Social

Copyright �CuriousTab. All rights reserved.