- What are the types of counters?
- Why JK flip flop is used in counters?
- What is the primary disadvantage of asynchronous counter?
- What is meant by synchronous and asynchronous communication?
- What are the advantages of asynchronous counters?
- What are synchronous counters used for?
- What does asynchronous mean?
- Which is faster synchronous or asynchronous?
- Is counter a combinational circuit?
- What are the advantages of synchronous counter over asynchronous counter?
- What is the difference between synchronous and asynchronous counters?
- Where are counters used?
- Why flip flop is called latch?
- How do counters work?
- Why is it called a counter?
- Which is an example of asynchronous communication?
- What is synchronous vs asynchronous learning?
- What are the applications of flip flop?
What are the types of counters?
Types of Electronic CountersSynchronous counter.Asynchronous Counter or Ripple Counter.Up/Down Counter.Decade Counter.Ring counter.Cascaded counter.Johnson counter.Modulus counter..
Why JK flip flop is used in counters?
The J-K Flip-flop is one of the most versatile and widely used flip-flops. The most prominent reason behind using it as a counter is its toggle operation. If J and K are both high at the clock edge then the output will toggle from one state to the other. … Thus, it can function as D Flip-flop.
What is the primary disadvantage of asynchronous counter?
Disadvantages of Asynchronous Counters: An extra “re-synchronizing” output flip-flop may be required. To count a truncated sequence not equal to 2n, extra feedback logic is required. Counting a large number of bits, propagation delay by successive stages may become undesirably large.
What is meant by synchronous and asynchronous communication?
Synchronous communication means that two or more people exchange information in real-time. … Asynchronous communication refers to the exchange of data between two or more parties without the requirement for all the recipients to respond immediately.
What are the advantages of asynchronous counters?
AdvantagesAsynchronous counters can be easily designed by T flip flop or D flip flop.These are also called as Ripple counters, and are used in low speed circuits.They are used as Divide by- n counters, which divide the input by n, where n is an integer.Asynchronous counters are also used as Truncated counters.
What are synchronous counters used for?
Some common uses and application of synchronous counters are follow: Alarm Clock, Set AC Timer, Set time in camera to take the picture, flashing light indicator in automobiles, car parking control etc. Counting the time allotted for special process or event by the scheduler.
What does asynchronous mean?
Asynchronous refers to something not occurring at the same time as another thing.
Which is faster synchronous or asynchronous?
The data transfer rate of synchronous transmission is faster since it transmits in chunks of data, compared to asynchronous transmission which transmits one byte at a time. Asynchronous transmission is straightforward and cost-effective, while synchronous transmission is complicated and relatively pricey.
Is counter a combinational circuit?
A counter is simply a register with combinational logic to implement counting, that is it is possible to retrieve the contents, add or subtract one to the contents, and then store it back into the register in one operation.
What are the advantages of synchronous counter over asynchronous counter?
The one advantage of synchronous counter over asynchronous counter is, it can operate on higher frequency than asynchronous counter as it does not have cumulative delay because of same clock is given to each flip flop.
What is the difference between synchronous and asynchronous counters?
Counters are of two types depending upon clock pulse applied. In synchronous counter, all flip flops are triggered with same clock simultaneously. … In asynchronous counter, different flip flops are triggered with different clock, not simultaneously.
Where are counters used?
They are counters. Counters are used not only for counting but also for measuring frequency and time ; increment memory addresses . Counters are specially designed synchronous sequential circuits, in which , the state of the counter is equal to the count held in the circuit by the flip flops.
Why flip flop is called latch?
Latches are flip flops without clock. They are named so because since there is no clock, suppose you make some changes at the input, the flipflop quickly Latches to the required output or produces the required output without needing to wait for any other signal.
How do counters work?
Counter is a digital device and the output of the counter includes a predefined state based on the clock pulse applications. The output of the counter can be used to count the number of pulses. Generally, counters consist of a flip-flop arrangement which can be synchronous counter or asynchronous counter.
Why is it called a counter?
This “counter” comes from the Latin “contra,” meaning “against.” … Ta-da, the modern counter was born, and soon goods were being dispensed “over the counter” or, if illicit, “under the counter.” Our modern kitchen counter is so-called from its resemblance to the “counter” in a shop.
Which is an example of asynchronous communication?
An asynchronous communication service or application does not require a constant bit rate. Examples are file transfer, email and the World Wide Web. An example of the opposite, a synchronous communication service, is realtime streaming media, for example IP telephony, IP-TV and video conferencing.
What is synchronous vs asynchronous learning?
Asynchronous Learning Its basic premise is that learning can occur in different times and spaces particular to each learner, as opposed to synchronous learning at a same time and place with groups of learners and their instructor, or one learner and their instructor.
What are the applications of flip flop?
These are the various types of flip-flops being used in digital electronic circuits and the applications of Flip-flops are as specified below.Counters.Frequency Dividers.Shift Registers.Storage Registers.Bounce elimination switch.Data storage.Data transfer.Latch.More items…•