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
‣
Electronics
‣
Flip-Flops and Timers
Comments
Question
When the S and the R inputs are both HIGH the output of an S-R NOR latch will be unpredictable.
Options
A. True
B. False
Correct Answer
True
Flip-Flops and Timers problems
Search Results
1. A D-type flip-flop is constructed by connecting an inverter between the Set and Clock terminals.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
2. A one-shot is a special type of multivibrator, which must be triggered to produce each output pulse.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
3. The 555 timer can be used in either the bistable mode or the monostable mode.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
4. Edge-triggered flip-flops can be identified by the triangle on the clock input.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
5. Pulse-triggered flip-flops are identified by a bubble on the Q output terminal.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
6. J-K flip-flops are often used as switch debouncers.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
7. The J-K flip-flop eliminates the RACE state when both the J and K inputs are HIGH.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
8. Edge-triggered flip-flops must have _________.
Options
A. very fast response times
B. at least two inputs to handle rising and falling edges
C. a positive-transition pulse generator
D. a negative-transition pulse generator
Show Answer
Scratch Pad
Discuss
Correct Answer: a positive-transition pulse generator
9. The S-R, D-type, and J-K flip-flops are all examples of _________________.
Options
A. astable multivibrators
B. bistable multivibrators
C. monostable multivibrators
D. tristable multivibrators
Show Answer
Scratch Pad
Discuss
Correct Answer: bistable multivibrators
10. A retriggerable one-shot has a pulse width of 10 ms; 3 ms after being triggered, another trigger pulse is applied. The resulting output pulse will be _________ ms.
Options
A. 3
B. 7
C. 10
D. 13
Show Answer
Scratch Pad
Discuss
Correct Answer: 13
Comments
There are no comments.
Enter a new Comment
Save
More in Electronics:
Alternating Current and Voltage
Alternating Current vs Direct Current
Analog and Digital Converters
Analog to Digital
Arithmetic Operations and Circuits
Basic Op-Amp Circuits
Bipolar Junction Transistors (BJT)
Capacitors
Combinational Logic Circuits
Computer Hardware and Software
Diodes and Applications
Field Effect Transistors (FET)
Flip-Flops and Timers
Inductors
Logic Circuit Simplification
Logic Gates
Magnetism and Electromagnetism
Measurement, Conversion and Control
Number Systems and Codes
Ohm's Law
Operational Amplifiers
Parallel Circuits
Programmable Logic Devices (PLD)
Quantities and Units
RC Circuits
Resistance and Power
RL Circuits
RLC Circuits and Resonance
Semiconductor Memory
Semiconductor Principles
Sequential Logic Circuits
Series-Parallel Circuits
Series Circuits
Special-Purpose Op-Amp Circuits
Standard Logic Devices (SLD)
Testing and Troubleshooting
Thyristors and Tranducers
Time Response of Reactive Circuits
Transformers
Transistors and Applications
Voltage and Current