computer hardware for dummies

The motherboard is a platform, the CPU, memory, graphics, hard disk, optical drive through the data cable or directly installed to form a working whole. CPU equivalent to the human brain, issued a variety of instructions to coordinate the work of various parts, memory is a transit warehouse, the transfer of various instructions, data and so on. After shutdown data is not retained, the hard drive is the final carrier, all data, programs, songs, movies and so on are saved in the hard drive The dat

- /// in /// - Public Staticliststring>getnetaddress () to { +liststring> list =Newliststring>(); - Try the { * //Get the network adapter $ManagementClass MC =NewManagementClass ("Win32_NetworkAdapterConfiguration");Panax NotoginsengManagementobjectcollection MOC =MC. GetInstances (); - stringmac, IP; the foreach(ManagementObject moinchMOC) + { A if((BOO

, exponent is the digit (single-precision 8-bit, double-precision 11-bit), fraction is a valid bit (single-precision 23-bit, double-precision 52-bit).This is not quite like the scientific notation that we usually use.But this approach poses a problem, that is, when the effective bit exceeds a certain time, there will be a precision problem.// true // falseYes, it's equal.Because the first two will be stored as 1.000 ... (52 x 0) x2539007199254740994 will be saved as 1.000 ... 0001x253.The effect

--Disk identification. This property can be used to identify a shared resource. Size--Disk sizes Status--The current state of the object. StatusInfo--Status of logical devices Systemcreationclassname-The value of the CreationClassName property of the scope computer. SystemName--System name Totalcylinders--The total number of cylinders on the physical disk drive. The value may not be accurate Totalheads--The total number of heads on the d

Function fnshowprcname (prcname ){VaR locator = new activexobject ("wbemscripting. swbemlocator ");VaR service = locator. connectserver (".", "/root/cimv2 ");VaR processes = service. execquery ("select * From win32_process ");VaR processenum = new enumerator (processes );VaR flag = false;For (;! Processenum. atend (); processenum. movenext ()){VaR process = processenum. Item ();If (process. Name = prcname ){Flag = true;}}If (FLAG ){Alert (prcname)} Else {Alert ('process not found ')}} WMI is use

to disk function. If we use the suspend to disk method to shut down, the prompt message will be displayed at the next boot. 13. hareware Monitor found an error, enter power management setup for details, Press F1 to continue, del to enter setupChinese: an error has been detected in the monitoring function. Go to power management setup to View Details and Press F1 to start the instance.Program, Press the Del key to enter the COMs settings.Explanation: Some mainboards have

Hardware troubleshooting 1. Check your power cord again is not plugged well is very necessary, host, monitor! And make sure your power is unblocked. 2. Disassemble the host to see if your memory stick is plugged in, or unplug the memory strips, and try 3. The discharge of your computer, (unplug the power cord, press the power-on key) 4. Discharge Your Bois! 5. Make sure your

One day, an office computer needs to re-install the operating system. After the system is installed, the computer is started. Unlike the normal Windows Startup interface, the system prompts "due to disk hardware problems of the computer, windows cannot start and cannot read the selected boot disk. Check the boot path a

The Information System Management Engineer is an intermediate examination in the National computer Technology and software Professional Technical Qualification Examination (hereinafter referred to as the Software Qualification examination). The examination of Information System Management engineer requires examinee to master the relevant knowledge content of computer system, operating system, database,

for you to explain in detail how to use JavaScript to obtain client computer hardware and system information, there is a good example, interested friends can refer to the following JavaScript obtains client computer hardware and system Information obtains client computer

+ 195Note: If you enter the preceding data, press the Alt key, and then press the numeric key in the numeric keyboard (the row above the keyboard does not work, after entering a number, release the Alt key and press the Alt key. In the # process, there will be a messy character on the screen, so we don't need to worry about it. Then select save in the file directory, save as cmos.com, and then exit to the MS-DOS environment, press find cmos.com this file, to see if it is 20 bytes, if not, it me

Installation of mac OS X in virtual machines (applicable to all computer methods, especially computers with cpu that do not support hardware virtualization), macosPreface Previously I wrote an article about building an Object-C Development Environment on Windows and writing a HelloWorld program. However, Apple software is actually developed in mac OS X (OSX. I can't afford a MacBook, and I don't have an OS

Computer to the user in the work and learning to provide a great convenience, but the computer's "panic" for ordinary users, but become a solution is not open, earn not off the trouble. Below, the ink-stained warm heart to install a deep Win7 flagship system of the computer as the basis, teach you to judge whether the system installed the computer crash is the

In Linux, view the computer hardware configuration-Linux general technology-Linux technology and application information. The following is a detailed description. Lsb_release-a to view the system version. Cat/etc/redhat-release. You can also view this configuration file. However, the administrator can modify the content here. Cat/proc/cpuinfo view cpu information. processor 0 is a U, 1 is two, and fla

PowerManagementCapabilities-a specific power-related capability array for logical devices Powermanagementsupported-If true, the device can be power management (can be put into pause mode, etc.) ProductName--The product name of the network adapter ServiceName--The service name of the network adapter Speed--estimate current bandwidth bits per second Status--The current state of the object StatusInfo--The current state details of the object Systemcreationclassname--The value of the

-----provide ad\exchange\lync\sharepoint\crm\sc\o365 and other Microsoft product implementation and outsourcing, qq:185426445. Phone 18666943750Requirements: Sometimes we need to compare the CSV file report automatically acquired daily by the PowerShell program to determine what happens every day, as follows: We compare the column "Computer name" of the automatically generated CSV file before and after two days.The script is as follows:Diff-referenceo

XP system computer Hardware common problem analysis is as follows: 1: The computer's motherboard capacitor damage to our graphics card is not normal use, the solution is that we directly use the capacitor on the motherboard to replace the nominal value can solve the problem. 2: The computer power switch can not be used normally, the Start button is not open aft

write once disk.（**）A circle of tracks.The cylinder is actually the classification of the C disk D-disk.Sectors 512B per size6. Operating systemStart process1 Power-On2 bios-> Detection Hardware->cmos3 Find Startup Disk-"read the first sector 512B (understanding: 446 Boot Information 64 partition Information 2 end flag bit)4 Loading Bootloader5 Read OS kernel (take over BIOS task, control calculation)Summarize:Focus One: The three core components of

Use C # To obtain computer hardware information Now I will explain in the future How to Use WMI (Windows Management Instrumentation) in C # To obtain computer hardware information. The purpose is to use WMI api to obtain the following information about the computer in C: Num

Many friends may not know, if we open Win7 Computer graphics card acceleration function, we usually watch TV play games faster speed, so that even the low configuration of the computer, you can enjoy the speed of high configuration, but many friends do not know Win7 64-bit flagship edition should be how to open the graphics acceleration function, the following, small series to introduce for you! But before