What is the difference between a counter and a timer?

1 Answer

Answer :

Counter counts only when the trigger is applied and timer counts continuously with some equal delay.

Related questions

Description : Why is it called a 555 timer?

Last Answer : Because it have three 5k Ohm resistances.

Description : What is the use of 555 timer?

Last Answer : 555 IC timer is use in timers and oscillators.

Description : State the difference between energy conservation and energy audit. 

Last Answer : energy conservation Energy audit It is reducing the growth of energy consumption by avoiding unnecessary usage of energy It is an inspection, survey & analysis of energy flows ... Various measuring instruments, with proper sensing elements are required for the energy audit. 

Description : Describe the difference between direct and alternating current.

Last Answer : Direct current is the flow of electricity or charge in one direction..  Alternative current is the flow of charge that doesn't flow in one direction. 

Description : Describe the difference between an open circuit and a short circuit.

Last Answer : Open circuit means the wire is cut meaning power will not flow and close circuit means wire is not cut and hence power will flow.Short circuit is the same as close circuit

Description : Write difference between absolute & secondary instrument.

Last Answer : Absolute Instrument Secondary Instrument 1. These give magnitude of quantity in terms physical constants of instruments 1. These give reading directly of the quantity at the time of ... Raleigh current balance. 6. Examples - ammeter, voltmeter, amperehour meter, wattmeter etc.

Description : What is the difference between relay and contactor?

Last Answer : Relay have smaller ratings. Contactor is a high rating relay.

Last Answer : In a single phase power factor meter the phase difference between the currents in the two pressure coils is exactly 90°.

Last Answer : A differential relay measures the vector difference between two or more similar electrical quantities.

Description : What is the difference between BJT and FET?

Last Answer : BJT  is  a  current  opperated   transistor  while  FET   is  a  field   opperated  transistor.

Description : What is the difference between an AC and DC generator?

Last Answer : The generator which generates DC voltage is called DC generator and generator which generates AC voltage is called AC generator (or) Alternator. In DC generator armature is rotated and field winding ... generator. A DC generator can generate low voltages but an AC generator can generate upto 11kv.

Description : What is the difference between synchronous and asynchronous motors?

Last Answer : The motor which rotates at constant speed is called synchronous motor. And that constant speed is called as synchronous speed.  And the motor which does not rotates at constant speed are called asynchronous motor. Asynchronous motor is also called as Induction motor.

Description : What is the difference between eddy current and hysteresis loss?

Last Answer : Loss occurred by magnetising and demagnetising process is called histerisis loss and the current flowed due to the magnetic field produced by the electric field applied is called eddy current losses

Description : What is the difference between an anode and a cathode?

Last Answer : The anode is positively charged electrode and the cathode is negatively charged electrode.

Description : What is the difference between an insulator and a dielectric?

Last Answer : Dielectric is the another name for insulator.

Description : What is the difference between a microcontroller and a microprocessor?

Last Answer : Compare microprocessor and microcontroller Microprocessor Microcontroller 1)Inbuilt RAM and ROM 1)Do not have inbuilt RAM or ROM 2)Inbuilt timer 2)Doesn't have inbuilt timer ... same memory 6)Many Multifunction pins on the IC  6)less multifunction Pins on IC.

Description : What is the difference between AC and DC drive?

Last Answer : AC means alternating current It's Frequency is 50hz Dc means direct current ItsI Frequency is 0Hz

Description : What is the difference between line and phase current?

Last Answer : The currents flows through phase lines is called line voltage and currents flows from phase to neutral line is called phase current

Description : What is the difference between line and phase voltage?

Last Answer : Line voltage  is  voltage  between two  phases R &Y  (415 v)  while  phase  voltage  is  the  voltage  between  one  phase and  a neutral  B &  N   (240 v).

Description : What is difference between KW and KVA?

Last Answer : kW is kilowatt and kVA is kilovolt ampere. kW is unit of real power and kVA is unit of Apparent power.

Description : What is difference between Star and Delta Connection?

Last Answer : Star is        1. Open ckt       2. At center point present  neutral   Delta is     1.   Closed ckt 2.      Neutral not present in this case 

Description : What is the difference between renewable and nonrenewable energy sources?

Last Answer : Renewable energy sources are non-perishable, and Non-renewable energy sources are perishable sources. Non-Renewable energy sources are like  coal, oil,nuclear fuel etc. Renewable energy sources are :- wind, solar, tidal, Geo thermal etc.

Description : What is the difference between a switch and a relay?

Last Answer : Switch is simply a mechanical contact mechanism and relay is a electromagnetic switch . Switch can be direct mechanically turn on and off but relay can be operated by energising coil .

Description : What is the difference between a coil and an inductor?

Last Answer : Inductor is covering with insulating material is called coil.so they differentiate between coil and inductor.

Description : What is the difference between forward and reverse bias?

Last Answer : Forward bias is a PN junction bias which allows current to flow through the junction. Forward bias decreases the resistance of the depletion layer. Reverse bias is a PN junction bias that allows only ... Positive polarity on the n-type material and negative polarity to the p-type material.

Description : Distinguish between AC and DC.

Last Answer : Particulars Direct Current Alternating Current Definition It is the current whose magnitude and direction do not change with respect to time. It is the current whose ... system, electroplating, Battery charging, Traction. AC machines, Domestic and industrial supply.

Description : Give the circuit analysis of current source inverter with resistive load. What are the main difference between voltage source inverter and current source inverter?

Last Answer : Current source inverter (CSI): In current source inverter, the output current is independent of load. The input current of current source inverter is constant. Current source converter converts DC input current to ... are connected in parallel. In CSI diodes are connected in series.

Description : what is the difference between AC and DC current ?

Last Answer : AC is generated using Alternator. DC is generated using DC generator. AC changes its direction periodically. DC do not change its direction periodically. AC have non zero frequency. DC have zero ... Power factor of AC is between 0 and 1. But power factor of DC is always 1.

Description : How to Install a Timer Switch

Last Answer : How to Install a Timer Switch A timer switch is a handy device that automatically turns off a switch after a fixed period of time. This is particularly useful when you have kids at home ... safety precautions when installing switches or anything that might put you in the direct path of electricity.

Description : Blackt Electrotech 230V 24x7 Energy Saving Socket Type Digital Programmable Plastic Electronic Timer (White)

Last Answer : Buy from amazon: https://amzn.to/2SUTSdv Buy: http://bit.ly/2ZqlAkS

Description : What is watchdog timer ? Explain the implementation of time out for ATM with block diagram and program.

Last Answer : A special type of timer is a watchdog timer, which will reset the system after a predefined timeout. Watchdog timer reset timer every X time unit, else timer generates a signal ... be loaded into timereg. This is to prevent erroneous software from unintentionally resetting the watchdog timer.

Description : What Is Program Counter?

Last Answer : Answer :Program counter holds the address of either the first byte of the next instruction to be fetched for execution or the address of the next byte of a multi byte instruction, which has ... one as the instruction bytes get fetched. Also Program register keeps the address of the next instruction.

Description : How To Make Stitch Counter Bracelets

Last Answer : How To Make Stitch Counter Bracelets Introduction Today, many women feel that their outfits are incomplete unless they also wear an eye-catching bracelet. Bracelets remain one of the most popular ... For stitching projects that have additional rows, simply reset the bracelet and start counting anew.

Description : What is modulus of counter? Show the method to determine the no. of flip flops for a mod-52 counter.

Last Answer : Modulus of a counter is the no. of different states through which the counter progress during its operation. It indicates the no. of states in the counter; pulses to be counted are applied to counter. The ... to its starting state after counting N pluses in the case of modulus N counter.

Description : Compare synchronous and asynchronous counter.

Last Answer : Asynchronous Counter Synchronous Counter In an Asynchronous Counter the output of one Flip Flop acts as the clock Input of the next Flip Flop. In a Synchronous Counter all the Flip Flop's are ... Also called as serial counter Also called as Parallel Counter

Description : A 3 -stage ripple counter has Flip Flop with propagation delay of 25 nsec and pulse width of strobe input 10 nsec. Then the maximum operating frequency at which counter operates reliably is

Last Answer : A 3 -stage ripple counter has Flip Flop with propagation delay of 25 nsec and pulse width of strobe input 10 nsec. Then the maximum operating frequency at which counter operates reliably is 12.67 MHz

Description : A switch tail ring counter is made by using a single D-FF. The resulting circuit is (A) T-FF (B) D-FF (C) SR-FF (D) JK-FF

Last Answer : A switch tail ring counter is made by using a single D-FF. The resulting circuit is T-FF

Description : The counter e.m.f. of a d.c. motor?

Last Answer : The counter e.m.f. of a d.c. motor helps in energy conversion.

Description : Electronic Counter

Last Answer : Electronic Counter Electronic counter counts the number of pulses in a given time. Electronic counter is made from cascade flip-flops. It is use to store or display counting. Some counter is use ... BCD counter counts from 0000 (0) to 1001 (9). Johnson counter is the twisted ring counter.

Description : I need a schematic...

Last Answer : Look here—a variety of schematics on this page. http://en.wikipedia.org/wiki/555_timer_IC

Description : What's the difference between being proud and being pompous?

Last Answer : Actually having dignity in one’s decisions and abilities vs. making up for having no dignity in one’s decisions and abilities.

Description : Photocell and solar cell difference?

Last Answer : A photo cell is a light dependent resistor which decreases it resistance high intensity of light and is used to automatically control lights etc where as a solar cell solar or light energy into electrical energy.

Description : When the phase difference between two sinusoidal quantities is 90° they are said to be ______ A) Phase right angle B) Phase quadrature C) Phase sinuright D) None of these

Last Answer : When the phase difference between two sinusoidal quantities is 90° they are said to be Phase quadrature

Description : The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that?

Last Answer : The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that both waves must have same frequency.

Description : The power consumed in a circuit element will be least when the phase difference between the current and voltage is?

Last Answer : The power consumed in a circuit element will be least when the phase difference between the current and voltage is 90°.

Last Answer : Difference between watt and volt and ampere is as follows: Watt Volt Ampere Watt is the unit of power. Volt is the unit of voltage. Ampere is the unit of current. Watts= Volts x Amperes Volts= Watts/ ...

Description : what is the difference between capacitor and battery ?

Last Answer : A capacitor stores power but in very small quantitys and work in D/C and A/C circuits and it needs a power source from wich it gets the power it stores and a battery also stores power but in much larger quantitys measured in Amp/Hours

Description : Each of us is different. Are we all special?

Last Answer : Pretty much! That’s just about right.

Description : Will changing motor oil brands, have an ill effect on my cars engine?

Last Answer : answer: The instructions are very easy to follow: Simply change the oil as you would normally. Any confusion is just myth. You can switch from conventional motor oil to Mobil 1 synthetic (and back ... and so it is best to change the oil more frequently for those first few thousand miles. Source

Description : Which toothbrush for you......manual or electric?

Last Answer : My sister gave me an electric toothbrush a couple of years ago. There didn’t seem to be any benefit, so I got rid of it. It’s one less item that requires batteries.