CuriousTab
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 Clerk
Bank PO
Database Administrator
IT Trainer
Network Engineer
Project Manager
Software Architect
Discussion
Home
‣
Digital Electronics
‣
MSI Logic Circuits
See What Others Are Saying!
Question
Determine the correct output for the multiplexer and its associated timing diagram given below.
Options
A.
Y
a
B.
Y
b
C.
Y
c
D.
Y
d
Correct Answer
Y
d
More questions
1. Implementing the expression
using NAND logic, we get:
Options
A. (A)
B. (B)
C. (C)
D. (D)
Show Answer
Scratch Pad
Discuss
Correct Answer: (D)
2. One characteristic of a ring counter is that the modulus is equal to the number of flip-flops in the register and, consequently, there are never any unused or invalid states.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
3. Fan-out is specified in terms of ________.
Options
A. voltage
B. current
C. wattage
D. unit loads
Show Answer
Scratch Pad
Discuss
Correct Answer: unit loads
4. A decimal number is converted to BCD by replacing each decimal digit with the appropriate 3-bit binary code.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
5. The following waveform pattern is for a(n) ________.
Options
A. 2-input AND gate
B. 2-input OR gate
C. Exclusive-OR gate
D. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Exclusive-OR gate
6. Implementing the expression
using NAND logic, we get:
Options
A. (A)
B. (B)
C. (C)
D. (D)
Show Answer
Scratch Pad
Discuss
Correct Answer: (B)
7. Referring to the GAL diagram, which is the correct logic function?
Options
A.
B.
C.
D.
Show Answer
Scratch Pad
Discuss
Correct Answer:
8. From the truth table below, determine the standard SOP expression.
Options
A.
B.
C.
D.
Show Answer
Scratch Pad
Discuss
Correct Answer:
9. What is the significance of the inverted triangles on the outputs of the device in the given figure?
Options
A. They represent inverters and mean that the outputs are active-LOW.
B. They represent buffers and mean that the outputs can drive 40 TTL loads, instead of the normal 10.
C. It means that the outputs will be active only if a change has occurred at that memory location since the last read/write cycle.
D. The outputs are tristated.
Show Answer
Scratch Pad
Discuss
Correct Answer: The outputs are tristated.
10. The Boolean SOP expression obtained from the truth table below is ________.
Options
A.
B.
C.
D. None of these
Show Answer
Scratch Pad
Discuss
Correct Answer:
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