A flipflop circuit is a binary cell capable of storing 1 bit information as it can store either 0 or 1 at any time, it can also be called ‘bistable multi-vibrator’. It has two outputs, one for normal value and…
The Scanner: A Useful Device
Scanner is the input device which helps to convert a hard copy data into a soft copy data and send them to the computer. All scanners work on the same principle of reflectance or transmission. The image is placed before…
Understanding A Computer Keyboard
Keyboards are one of the most important input devices which are used in feeding input to computers. They are designed for the input of texts and characters, and also to control the operation of the computers. The most common and…
Multimeter
Multimeter is very useful test instrument. It can be easily and quickly set to be a voltmeter, ammeter or an ohmmeter just by operating a multi-position switch on it. They have several settings (known as ranges) for each type of…
Mobile Phone Celebrates Its 40th Birthday
Mobile phones are one of the most widely used gadgets of present era of information and technology. These are the gadgets which were intended just for making phone calls in the past, but these days the definition of mobile phones…
Samsung beats Nokia in the race of Best Selling Mobile Phones
Nokia was a leading brand of mobile phones before some years. It was even known as the King of Mobile Phones because it was used and liked by most of the people of the world. Nokia had became the leading…
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