How many kilowatt hours does it take to leave the computer on for 8 hours? How much?

About 2 kilowatt-hours of electricity, I don't know the electricity bill, who knows how much your electricity bill is? It's only 1 yuan in our house.

2-3 degrees, about three dollars.

Older computers will use more power.

If you have a laptop, half a kilowatt-hour of electricity, a few cents.

The computer should be at 150 watts, you can do the conversion yourself.

The computer needs about 4 kilowatt-hours of electricity to turn on for 12 hours a day; It depends on your computer's hardware configuration and the status of your computer.

Calculated based on a home desktop computer running at full load:

1. The power rating of the home desktop computer host is basically about 350W: 1 kWh = 1000W hours; 350*12 1000=degrees;

2. Monitors and speakers and other equipment: the display is calculated as 19 LCD display 70W: 70*12 1000 = degrees; Relatively small devices such as mice and keyboards consume negligible power.

Therefore, the total power consumption of the main parts of the computer is about = degree + degree = degree.

The above algorithms are all based on the results of the computer under full load operation conditions, in fact, in the process of our use, the computer will not be in full load operation most of the time, so the actual power consumption will be lower than the calculation results. 12 hours will not exceed 4 kWh.

The computer does not consume much power, but I also hope that it will not be wasted, if it is just to listen to music, it is recommended to turn off the monitor to save electricity, starting with me.

The average desktop computer has two or three hundred watts of power, and it has about two to three kilowatts of electricity for 12 hours a day.

The working power of ordinary home desktop computers is generally between 200 and 300 watts, and if you work 12 hours a day, it consumes about 3 kWh.

Hello, how many kilowatt-hours of electricity does a desktop computer need in a day? Open for about 12 hours a day,This depends on the specific situation,For example, the size of your speaker, the number of programs running,And the brightness of the screen, etc.,Generally speaking, it is a few kilowatt-hours a day。

4000。Assuming that the power of the computer is 500 watts, and it is turned on for 8 hours at night, then the total electricity consumed by Xian Labi is: 500 watts * 8 hours = 4000 watt-hours, according to the average electricity price of the country, ** per 1 kilowatt-hour of electricity is about yuan, then the electricity cost of the computer for one night is:

4000 Wh * Yuan Watt Hour = 2400 Yuan.

Let's put it this way, now CPU + memory + hard disk = about equal to about 100W Other devices, graphics cards, fans, power supplies, etc. consume about 50W, and after normal boot, nothing does nothing, and about 150W

If you copy data or play games, the maximum will not exceed 200W

One hour of power consumption.

Do you know how much power your computer consumes.

In general, the power consumption of a TV is less than 80W, and the power consumption of a computer is about 250-400W. The power consumption of a computer per month: if it is 300W per hour, 10 hours a day, 30 days in a month = 90kW, that is, 90 kWh of electricity, this is just a conservative estimate.

The computer also consumes energy in the sleep state, and it is inexplicable that the power consumption is actually reached when it enters standby under Windows XP! It shows that the motherboard is still consuming a lot of power in order to protect the data at this time; Even if the computer is turned off, as long as the plug is not unplugged, the computer still has energy consumption.

Approximately! Things like remote controls and smart switches make appliances easier to use, but they also add an extra energy consumption to appliances – standby energy consumption. 

8 kilowatt-hours of electricity, the computer is about 280 350w when it is operating normally, and about 1000 kilowatt-hours of electricity (1000w = 1 kilowatt-hour per hour), if 24 hours of luck, the machine is 8 kilowatt-hours of electricity. The computer is about 200W-400W (desktop Qi burns). A computer's monthly power consumption:

If it is 300w per hour, 10 hours a day, 30 days in a month = 90kw, it is 90 kWh of electricity, which is just a conservative estimate. Display power consumption: 15-inch, 17-inch, and 19-inch monitors consume about 60W, 80W, and 100W respectively.

The computer also consumes energy in the sleep state, which means that the power consumption when entering standby under the XP system indicates that the motherboard is still consuming a lot of power in order to protect data at this time; Even if the computer is turned off, as long as the plug has not been unplugged, the computer still has energy consumption, which is about.

Extended information: Computer power consumption refers to the power consumed by the computer when it is running, including the total power consumption of the CPU, graphics card, sound card, network card, etc., and can also be counted and accounted for some commonly used accessories such as TV cards, modems, etc. In general, watts are used for calculation.

The power consumption of a computer can be estimated using some calculation tools, such as the overclockulator. However, the Overclockulator does not include the power consumption of the display, that is, only the power consumption of the computer box.

To shut down the computer normally after using it, you should unplug the power plug or turn off the switch on the power terminal board, and gradually develop this habit of completely powering off, instead of leaving it in a power-on state. Unused peripherals such as printers and speakers should be turned off in time. Devices that are not used temporarily, such as optical drives, floppy drives, network cards, and sound cards, can be shielded in the BIOS.

According to the power consumption, the general computer should be about 300---400w an hour, 1000 watt-hours is one kilowatt-hour, about 5 kilowatt-hours a day, and about 150 kilowatt-hours in a month. The normal configuration of a 17-inch monitor, according to experience, is 250 watts, and the power consumption is about 105 degrees a day, which is 105 degrees in a month. The computer is turned on and used 24 hours a day, and the life span is shortened by 24 hours.

But you have to understand that even if you don't turn it on, the life of your computer won't increase because of it! If the computer is not turned off, there is no forced shortening of the lifespan, and long-term use may make the hardware heat up, but you must know that the service life of the hardware is quite long, take the CPU as an example, and it can be used for about ten years in normal use. If the computer is on standby for a long time, as long as the heat is low, it will not be damaged.

The life of the hardware is determined by the leakage of the liquid in the motherboard, and the short board is the power supply, and the quality of the hydraulic power supply will affect the stability of the power supply, if the power supply is unstable, the hardware will work in such an environment, which directly affects the life of the hardware. Charge and discharge aging is mainly a problem of deep charge and discharge and high current charge and discharge, so it is actually less extreme undervoltage, overvoltage, and overcurrent. It is nothing more than a question of whether it is within or outside the threshold calibrated by the manufacturer.

At present, the trade-off of lithium battery manufacturers for these parameters is generally to ensure that the remaining 60-80% capacity after 300 deep charge and discharge cycles is the bottom line. This is also consistent with the charging frequency of mainstream electronic products and the life cycle of the product itself.

An average desktop computer and a 21-inch monitor consume about one kilowatt-hour of electricity per day for ordinary office and entertainment use.

Calculating how many kilowatt-hours of power a desktop computer needs in a day requires a variety of factors, such as the size of the computer, how long it lasts, the load it is undertaking, the size and brightness of the display, and so on.

Here are some precautions for using desktop computers:

1. Desktop computers need a stable voltage to run normally. If the voltage is unstable, it may damage the computer or lead to data loss. Therefore, it is recommended to use a stable power supply or UPS to ensure the normal operation of the computer.

2. Computers are usually equipped with fans to reduce the temperature and maintain stability. However, after prolonged use, the fan may accumulate dust and dirt, which can affect the heat dissipation of the computer. Therefore, clean your fans and radiators regularly to keep your computer running stably.

3. When using the computer, ensure that there is good ventilation around the computer to dissipate heat and maintain stability. Try to avoid placing your computer in an enclosed space, such as a cabinet.

4. The hardware parts of the computer are relatively fragile, so be careful when moving or handling the computer to avoid the hardware being impacted and damaged.

5. The use of anti-virus software can protect the computer from malware and viruses, and ensure the security and stability of the computer.

6. Although the computer hardware is very reliable, there is still a possibility that the ruler will be able to fail quickly. In order to avoid data loss, it is recommended to back up the data in your computer regularly so that you can recover the data if needed. <>