Hardware

The term hardware refers to the physical components forming the computer which are nothing but input, output, storage and processing units and additional accessories such as system unit, mouse, keyboard, monitor, disk drives etc.Computer hardware comes in two basic types: (1) External  (2) InternalExternal :It refers to hardware that connects to the outside of the computer case. For an example monitor, keyboard, and mouse are the common external...

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What is Software and Types of Software

(adsbygoogle = window.adsbygoogle || []).push({}); The term of software refers to programs which are invisible to the eye and which are essential to be made use by the user to run on the computers either to run the system or to run his job. Software is a set of programs and the program is a set of the instructions. An instruction is any character or word or group of words which instruct the computer in a way that the computer can understand....

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What is USB Flash Drive and How it work

A USB flash drive is a compact and easy to use device that works like a portable hard drive. Typically USB flash drives are removable and the data is erasable/rewritable, they can hold up to 128 MB to 16 GB of information. It can easily be slip into your pocket, look like keychain. It plugs into your computer USB port. There are different types of USB flash drives available in different storage capacities and this devices...

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What is CD-ROM and Types of Compact Disks

CD-ROM stands for Compact Disk Read Only Memory is a type of secondary storage or optical disc that users can read only but not write or erase. Philips and Sony companies invented Compact Disc in year 1982. CD-Rom is a WORM (Write Once Read Many times) device.  Typically they can store up to 600-700 MB of data or 70 minutes of audio, also store video, data, and text. The diameter of a Compact Disk is 4.7 inches and...

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What is Zip Disk and How it work

Zip disk is a medium portable removable disk introduced by Iomega Corporation in late 1994.  It look like a floppy disk but they store more data and holds minimum 100 to maximum 750 Mega bytes of information. Zip disks come in three different sizes, they are 100MB, 250MB and 750MB of capacities. You can save large amount of data such as documents, images and other files. They are very expensive when compared to coast of other storage...

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What is Floppy Disk and Types of Floppy Disks

Also known as a Diskette. The most common magnetic data storage medium used on computer is a floppy disk. These are made of an ultra thin, circular, Mylar plastic and coated with magnetic material. Floppy disks are commonly used as secondary storage and backup memory in a personal computer. These disks are very thin and flexible. It is cheaper than any other storage devices and portable. Data can be written (or) erased on a floppy disk. ...

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Computer Cabinet

A cabinet  also known as a computer case, computer chassis, tower or a simply word “system unit”. The cabinet generally metal or plastic container that holds  all  the electrical  components, and protects the components of the computer like the Motherboard, Central Processing Unit (CPU), Hard  Disk, RAM chips, Floppy drive and CD- ROM drive etc., ...

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What is Power Supply Unit (PSU) - Switch Mode Power Supply (SMPS)

A power supply unit or PSU is also known as Switch Mode Power Supply (SMPS) is an internal hardware component used to provide power for the computer system. It converts the alternating current (AC) into direct current (DC) use by the computer Components. The power  supply unit also regulates the voltage in a computer. The power supply converts 110-115 (or) 220-230 volt alternating current (AC) into direct current (DC) that is required...

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