CuriousTab
Search
CuriousTab
Home
Aptitude
Computer
C Programming
C# Programming
C++ Programming
Database
Java Programming
Networking
Engineering
Biochemical Engineering
Biochemistry
Biotechnology
Chemical Engineering
Civil Engineering
Computer Science
Digital Electronics
Electrical Engineering
Electronics
Electronics and Communication Engineering
Mechanical Engineering
Microbiology
Technical Drawing
GK
Current Affairs
General Knowledge
Reasoning
Data Interpretation
Logical Reasoning
Non Verbal Reasoning
Verbal Ability
Verbal Reasoning
Exams
AIEEE
Bank Exams
CAT
GATE
IIT JEE
TOEFL
Jobs
Analyst
Bank PO
Database Administrator
IT Trainer
Network Engineer
Project Manager
Software Architect
Discussion
Home
‣
Digital Electronics
‣
Logic Gates
Comments
Question
Which of the following is not a basic Boolean operation?
Options
A. OR
B. NOT
C. AND
D. FOR
Correct Answer
FOR
Logic Gates problems
Search Results
1. Which of the following equations would accurately describe a four-input OR gate when
A
= 1,
B
= 1,
C
= 0, and
D
= 0?
Options
A. 1 + 1 + 0 + 0 = 01
B. 1 + 1 + 0 + 0 = 1
C. 1 + 1 + 0 + 0 = 0
D. 1 + 1 + 0 + 0 = 00
Show Answer
Scratch Pad
Discuss
Correct Answer: 1 + 1 + 0 + 0 = 1
2. Logically, the output of a NOR gate would have the same Boolean expression as a(n):
Options
A. NAND gate immediately followed by an inverter
B. OR gate immediately followed by an inverter
C. AND gate immediately followed by an inverter
D. NOR gate immediately followed by an inverter
Show Answer
Scratch Pad
Discuss
Correct Answer: OR gate immediately followed by an inverter
3. With regard to an AND gate, which statement is true?
Options
A. An AND gate has two inputs and one output.
B. An AND gate has two or more inputs and two outputs.
C. If one input to a 2-input AND gate is HIGH, the output reflects the other input.
D. A 2-input AND gate has eight input possibilities.
Show Answer
Scratch Pad
Discuss
Correct Answer: If one input to a 2-input AND gate is HIGH, the output reflects the other input.
4. How many unique symbols are used in the decimal number system?
Options
A. One
B. Nine
C. Ten
D. Unlimited
Show Answer
Scratch Pad
Discuss
Correct Answer: Ten
5. What has happened to the advances in digital technologies over the past three decades?
Options
A. Slowed down considerably
B. Continued to increase, but at a decreasing rate
C. Made excellent progress
D. Nothing short of phenomenal
Show Answer
Scratch Pad
Discuss
Correct Answer: Nothing short of phenomenal
6. When reading a Boolean expression, what does the word "NOT" indicate?
Options
A. the same as
B. inversion
C. high
D. low
Show Answer
Scratch Pad
Discuss
Correct Answer: inversion
7. The term "hex inverter" refers to:
Options
A. an inverter that has six inputs
B. six inverters in a single package
C. a six-input symbolic logic device
D. an inverter that has a history of failure
Show Answer
Scratch Pad
Discuss
Correct Answer: six inverters in a single package
8. If the input to a NOT gate is A and the output is X, then ________.
Options
A. X = A
B.
C. X = 0
D. none of the above
Show Answer
Scratch Pad
Discuss
Correct Answer:
9. If the output of a three-input AND gate must be a logic LOW, what must the condition of the inputs be?
Options
A. All inputs must be LOW.
B. All inputs must be HIGH.
C. At least one input must be LOW.
D. At least one input must be HIGH.
Show Answer
Scratch Pad
Discuss
Correct Answer: At least one input must be LOW.
10. The Boolean expression for a 3-input AND gate is ________.
Options
A. X = AB
B. X = ABC
C. X = A + B + C
D. X = AB + C
Show Answer
Scratch Pad
Discuss
Correct Answer: X = ABC
Comments
There are no comments.
Enter a new Comment
Save
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