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Short Note

Write short note on Bus topology with advantages and disadvantages

Unlike star or mesh topology, a bus topology is a multi-point connection between the nodes or devices on the network. A long cable works as backbone of the network. All the different nodes in the network connects at different points on the main cable. A connection point in the main cable for a node or device is the nearest point for the node.

Write short notes on Optical Storage Device

Storage Device: Those memory devices where we can store data and the data remains in it even without electricity are called storage devices. Along with various programs and system software, user can also keep, delete, move, update the data in storage devices, while this can not be done in memory devices by the user. Storage …

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Write short notes on Magnetic Storage Devices

Storage Device: Those memory devices where we can store data and the data remains in it even without electricity are called storage devices. Along with various programs and system software, user can also keep, delete, move, update the data in storage devices, while this can not be done in memory devices by the user. Storage …

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Write short notes on desktop computers, workstations, notebooks, tablet PCs, handheld PCs and smart phone

Desktop Computers: The most common type of computer is desktop computers. It has been designed to sit on a desk. Today’s desktop computers are much more powerful than the others and used for an amazing array of task. Not only do these machines enable people to do their jobs with greater ease and efficiency, but …

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Explain an example of Dry Cell or Short note on Leclanche cell.

Example of Dry Cell – Leclanche Cell: The most common example of dry cell is Leclanche cell invented by French scientist Georges Leclanche. We use to call it a battery. It has a cylindrical Zn container which works as the anode. At the center of the Zn container a carbon or graphite rod is placed …

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Brightness and Contrast in Digital Image Processing.

Brightness: Brightness of an image is defined by the higher grey-scale values. Such as, if an image has grey-scale values like 175,200,255 etc, it can be said that brightness of the image is high. That is, the higher the grey-scale value the higher the brightness of an image. Thus brightness of an image is the …

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