After the database has been used for a long time, due to some operations such as addition, deletion, and modification, the distributed index of the data and related data will become messy, which will...

Basic introduction IntroductionRefers to an accident emergency rescue plan based on the predicted hazard source and dangerous target's type of accident and the degree of hazard. It is necessary to f...

Product introductionOf course, you can also set some other functions, for example: I have used IBM's AIX before, the scroll button in the middle of AIX It can be used to paste. As long as you click th...

Interpretation Narrow sense:Broad sense: The operation process of coordination and cooperation of all production activities within the enterprise In addition to the above process, it also includes t...

The built-in prism accurately divides the light entering the lens into three colors and transmits them to the CCD of the color. This process accurately records the colors and provides detailed and sha...

In order to make computer products a nationwide plug-and-play industrial assembly, the computer industry has developed many industrial standard buses in recent decades. The advantages are obvious: to...

Product introduction The storage medium of DVD digital video camera (disc-type DV) is DVD-R, DVR+R, or DVD-RW, DVD+RW to store dynamic video images Of. For ordinary home users, not only need to be si...

The DVD-R can record 4GB of data, which can be read by most DVD-ROM drives. What format is used to burn DVDs? Burn DVD support: Standard DVD-NTSC 4:3; Standard DVD-NTSC 16:9; Standard DVD-PAL / SECAM...

Important parametersInterface type: USB interfaceMonthly print load: 1000 pages/monthBasic parametersProduct Positioning: Photo PrinterPrinting speed: 19 pages/minuteHighest resolution: 1200dpi Monthl...

Introduction When the hard disk is repartitioned and formatted, the boot record will be rewritten. Boot the system. Function The main boot sector is located in the 0 track 0 cylinder 1 sector of th...

Basic information On Christmas Eve in 1978, John Water, Dave Donald, and several other engineers studied experiments at the famous Hewlett-Packard Company’s Palo Alto The room has just completed the...

Basic functions The important part of the digital camera is divided into different components: CCD (Charge Coupled Device), used in photography Aspects of high-end technical components. CMOS (Comple...

Synonym multifunctional card reader generally refers to all-in-one card reader All-in-one card reader Support USB1.0 and USB2.0 ports, plug and play, on the market With the largest share and strong p...

PhotoconductorphotoconductorIn other words, these substances must be good insulators in the dark, and immediately become good conductors after being exposed to light. Light guide materials are divided...

Introduction The power indicator is a kind of indicator light. The number of times the power indicator flashes continuously represents the indoor unit fault code. Power supply indicator: Each hot-swa...