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 Input devices The instruction and data given to the computer is known as input and  hardware part of a computer that used to enter data and instruction into computer is called import devices. The commonly used input devices are keyboard, pointing device ,touch screen ,Digital Camera Scanner and other reading devices. Keyboard Keyboard is the most commonly used input device that are is mostly Android using a keyboard the button on the keyboard are called give a standard keyboard contain over 100 keep the arrangement of keys on a keyboard is called keyboard layout the most popular keyboard layout is QWERTY. the letter Q w e r t and Y appear on the top floor of the main area of a keyboard.

What is Computer  computer is an electronic device which is used to process data and give a useful information. Types of Input Devices Touch screen Heart touching touch-sensitive display device the user can touch different path of the screen with the finger are stylish to import data and issue command. Many touchscreen today are multi touch and can recognise input from more than one finger at the time. For example the user can use to finger to enlarge or rotate an image on the screen touch screen are commonly used in tablet, mobile devices, detail self-checkout, ATMs and information kiosks.  Some  models of desktop computer and laptop also have touchscreen touchscreen are popular because. The user can interact with the computer easily without an external input device. Types Of Touch Screen 1. Resistive :  Tata chicken that have resistive screen can sense the pressure. It can be used with a finger are an ordinary stylist. Resistive screen can also be used by someone w...

Digital Camera Digital camera is an input device that takes picture and store them as digital images. Digital camera store captured image storage in our camera or on some type of memory card. Photo taken with a digital camera are typically transferred to a computer using a wired or wireless connection. Many digital cameras allowed the user to edit the image that the number of digital photos depend on the amount of memory in the camera. The main advantage of digital camera is that making photo is enough and save and fast. It does not require any film processing management phone and other mobile devices has built-in digital cameras digital still cameras are available in a wide variety of sizes and capabilities. A quality of digital camera photos depend on its resolution  and describes the  sharpness of an image. Image resolution for Digital Camera is measured in Megapixel. Megapixel are million of pixel in a graphic, today's cameras are typically between 5 and 20 Megapixel. Type...

  Output   The data that has been processed into Useful information is called output  The output can be in two forms. 1.  Soft Copy 2.  Hard Copy  Soft copy  Soft copy in an electronic form  It is easier to modify It is stored on storage devices  Hard copy  Hard copy in in printed form  It is difficult to modify    It is printed on paper Types of Output Different types of output are as follows: 1.  Text Text include connected used to create words sentence and  paragraph. 2.  Graphics  Graphic output include drawing charts and photograph. 3.  Audio Audio output include music speech or any other found many software applications and website use audio for more effective output. 4.  Video  Video is a set of full motion images played at high speed it may also include audio.  Output Devices The hardware components that are used to receive information from the computer are called output devi...

Printers A printer is an output device that prints the character, symbol and graphic on paper. The printed output is called hard copy. Printing the resolution is commonly measured in dots per inch.  Categories of Printers 1.  Impact Printers 2.  Non Impact Printers  Impact Printers Impact printer work like a typewriter. It prints characters or image by taking a print Hammer or set of paint against an inked ribbon.  Impact printer are the oldest print technology which are still produced. The impact printer are used where low cost printing is required. Three Most common form of impact printer are Dot Matrix printer, Daisy wheel printer and Line printer.  Dot Matrix Printer. A Dot Matrix printer is an impact printer.It produces printed images when pens on a print head strike and inked ribbon. When the Ribbon process again the paper is great that farm tractors and graphics. The print head on the Dot Matrix Printer can contain 9224 pin this number of print depen...

 plotter  plotter is an output device that is used to produce image quality graphics in a variety of colours plotter are used to print maps architectural drawing graph and chat upload work by drawing line on paper using fans held in a mechanical arm.  types of plotter  different types of clothes are as follows: . flatbed plotter . drum plotter 1.  flatbed plotter  flatbed plotter is used to plot a draw images it contains a pen for drawing images the paper is placed on a table like surface software instructs  the Panzer to move down on the paper cup and then move on the paper for creating images Most flutter build not to have one or more bands up different colours and widths. 2.  drum plotter