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How to make the matrix effect using notepad. Step-1  Open notepad Step-2  Type             @echo off              pause              color 0a              mode 1000              :a              echo %random% %random% %random% %random% %random% %random% %random%                   %random% %random%%random% %random% %random% %random% %random%              %random% %random% %random% %random% %random% %random% goto a Step-3  Press Save as from the menu and save the file as .bat Step-4...

I/O Ports => I/O port is a channel that enables I/O devices to communicate with the system.Different type of ports like serial port, parallel port,USB port are available. serial port is used to transfer a single bit of data at time.it can be used to connect any type of serial device like a mouse , moderm ,printer etc. UNIVERSAL SERIAL BUS (USB) is an I/O port used to connect different external device like a hard disk drives,printers,mice,scanners etc. A PARALLEL PORT can transfer multiple bits,but a SERIAL PORT can transfer only one bit at a time. Serial port I/O port is a logical channel the I/O devices to communicate with the system. there are different kind of port like serial port,parallel port, USB port etc. serial port is used to transfer single bit of data at a time.the serial ports confirm to RS -232c or RS-422 standards.it can be used to connect any type of serial device like a mouse , moderm ,printer etc. USB is also a type of serial port and stands for Universa...

How to Create a CON Folder in Windows? Have you ever tried to create a CON folder or any folder with names such as “con”, “prn”, “nul” “com1″ “com2″ “lpt1″ etc. but failed? Is it impossible to create folders with such names in windows? Well, the answer is NO and YES! NO because, when create a new folder and try to rename it to any one of the above specified names, you know what happens! In Windows XP the folder name automatically changes back to “New Folder” no matter you try to renaming it any number of times. Where as in case of Windows Vista and Windows 7, when you try to rename the file you get an error message saying “The specified device name is invalid”. What is the reason behind this? Simple, these names represent the internal devices of the operating system and hence we cannot create folders with the above names. YES because it is still possible to create these folders using some simple methods. today i am going to explain step by step procedure how to create con folde...