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…
The Computer Mouse – A Small but Complicated World
A mouse can defined as a hardware device which is used for providing input to the computer. It is a mouse-like device which allows the user to control the cursor the manipulate data without the use of complicated commands. Types…
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…
Internet: The Powerful Medium for Empowerment
New Delhi: Kapil Sibal, the Telecom Minister said that the internet has emerged as a powerful medium for empowerment and not for disruption. “This is the ultimate analysis, the medium is for empowerment, it is not for disruption. Any technology…
Auxiliary Storage Devices
Auxiliary storage devices are also referred to as auxiliary memory or secondary memory. These devices supplement the main storage. Auxiliary storage devices are long term, non-volatile memory. Unlike RAM, it allows the computer to record information in semi-permanent way. Due…
Types of Digital Computers
Digital computers are such computers which calculate data on the basis of continuous counting rather than measurement. Digital computers can be classified according to their size, speed, processing capacities, memory, disk storage capacity, cost, application areas etc. The various types…
Types of Computers On The Basis of Data Processing
Computers can be classified on different bases. They can be classified on the basis of their way of processing data, size, model etc. Today, we are going to classify computers on the basis of data processing. According to the way,…
 |
|
