Hard copy devices in computer graphics pdf download

There are now many competing products on the market based on technologies suited to differing requirements. Output hardcopy devices computer graphics technology and applications. For software, some special purpose utilities device dependent and device independent are needed for handling processing in computer graphics. Computer graphics pdf notes free download for mca and b.

Parts that were once hand made at a cost of thousands of manhours are now mass produced for a fraction of a rupee. Output hardcopy devices computer graphics technology and. The most commonly used display device is the crt monitor. A computer monitor or a computer display is an electronic visual display for computers. Input devices in computer graphics linkedin slideshare. Download it once and read it on your kindle device, pc, phones or tablets. Digitizer is also known as tablet or graphics tablet because it converts graphics and pictorial data into binary inputs. Hard copy devices hard copy devices are used for draw a graphical image or another information on to the paper. These are hardware devices that work in conjunction with the monitor to display visual output to the user. Go to the online ocr site, and convert the saved file to an editable format.

Computer parts can be divided into two groups, hardware and software. Forms characters by striking a mechanism against ink ribbon that physically. Understand which are the important display devices and input devices. Introduction, application areas of computer graphics, overview of graphics systems, videodisplay devices, rasterscan systems, random scan systems, graphics monitors and work stations and input devices. Output hardcopy devices computer graphics technology and applications enter your mobile number or email address below and well send you a link to download the free kindle app. In today life, computer graphics has now become a common element in user interfaces, t. Soft copy it is the information not printed on the paper but that. The monitor displays the video and graphics information generated by the computer through the video card. They can be used by the computer to create a picture of whatever the camera had been pointed at. Lesson 4 graphics display devices, hard copy technologies, 8. It is an electromechanical device, which accepts data from a computer and translates them into form understand by users. Understand how the important input devices for computer graphics work. It is considered hard because it exists physically on paper, whereas a soft copy exists only electronically.

That device may be actually attached to the computer, such as a printer or a film recorder, or it may be a device to which we communicate data by network, disk, or cdrom. Rogers ebook in pdf offers complete coverage of computer graphics. Can you list at least three important applications of computer graphics. Output devices in computer graphics pdf 1 basic graphical output devices. Printers are output devices that convert computer data into printed characters or graphics on paper. A file which can be viewed on a screen without printing it out is sometimes called a soft copy. Parts of this paper are based on one given at computer graphics 81, the proceedings of which are published by online publications ltd. Output devices impact printer daisywheel similar to a ballhead typewriter, this type of printer has a plastic or metal wheel on which the shape of each character stands out in relief. Can you tell which major components hardware and software are needed for computer graphics. Snapdrop is a webbased filetransfer tool that can copy photos, videos, and other files between different devices and computers. What are some examples of soft copy output devices. Ibm developed the vga for its ps2 line of computers the name video graphics array is an ibm trademark, but loads of other manufacturers make vga addin boards that plug into a.

Computer graphics is responsible to display a picture of any size on our computer screen. Doc hard copy devices hard copy devices muhammad waqas. It is one of the most commonly used peripheral devices in general business. Input and output devices used for computer graphics. Output that is readable by the user can be categorized into two categories.

An input device is any hardware device that sends data to the computer, without any input devices, a computer would only be a display device and not allow users to interact with it, much like a tv. Assume 10 cm as the radius and coordinate as the centre of the circle. In the early days of computing, obtaining a hard copy of a computer graphics image was relatively easy since virtually all computer graphics images were generated on a pen plotter. There are several ways this can be done, but the basic idea is that any kind of medium that can. It solutions builder top it resources to move your business forward. The salient feature of computer graphics is the creation and manipulation of graphics artificial images by computer. Important related technical areas such as papers, ribbons and inks, color techniques, controllers, and character fonts are also covered. Popular output devices used for producing softcopy output. Points and lines, line drawing algorithms, midpoint circle and ellipse algorithms. Mcgrawhill book company publication date 1985 edition na physical description xiii, 433 p. A graphic tablet as digitizer is used for doing fine works of drawing and image manipulation applications. Thus the display and the hard copy were one in the same.

Link to 3rd most viewed nptel video lectures on computer graphics in the branch of computer science and technology, at youtube. Examples of hard copy include teleprinter pages, continuous printed tapes, computer printouts, and radio photo prints. Before the invention of transistors, chips and integrated circuits, electronic devices depended. Besides the basic computer, some special devices and software may be required especially for computer graphics. Computers in industrial manufacturing, product cycle, cad cam hardware, basic structure, cpu, memory types, input devices, display devices, hard copy devices, storage devices. Realplayer opens to the device view of the library. So part of the discussion of graphics hardcopy will include a description of the way data must be organized in order to communicate with external production.

Understand how images are produced through the graphic. To create a digital version of a hard copy soft copy, an optical scanner or ocr is used. It is one of the most commonly used peripheral devices in. Mar 10, 2016 computer graphics pdf notes free download for mca and b. Then you can start reading kindle books on your smartphone, tablet, or computer no kindle device required. Explain in detail about the line drawing dda scan conversion algorithm. It may be a text file, photograph, drawing, or any other type of printable file. The computer graphics manual pdf some graphics program examples sketching with the controls. A hammer presses the wheel against a ribbon, which in turn makes an ink stain in the shape of the character on the paper. Procedural elements for computer graphics material type book language english title procedural elements for computer graphics authors david f.

Click here basic concepts in computer graphics use of a digital computer to drive a graphic plotting device. Hard copy definition the tech terms computer dictionary. Technically, a vga is a type of video adapter circuitry in the computer that controls the screen. Printers are the most common hard copy output devices. Important related technical areas such as papers, ribbons and inks, color techniques, controllers, and character fonts are. Output devices monitor printer audio output projector 16. Download procedural elements of computer graphics by david f. For hardware, a special highresolution, color monitor is often demanded and some input tools, e. Display devices vector scan image stored as line segments vectors that can be drawn anywhere on display device raster scan image stored as a 2d array of color values in a memory area called the frame buffer each value stored determines the colorintensity of an. A flatbed scanner works like a copy machine except that it creates a file of the document rather than a paper copy. How to copy large files from your phone to a computer pcmag.

They are locators and selectors a joystick has two potentiometers, they have been attached to a single lever. Printer is the most important output device, which is used to print data on paper. The monitor displays the video and graphics information. Pdf files, doc files, xlx files, presentation files, word documents on a computer, scanned copy of the hard copy, etc. The study of computer graphics is a subfield of computer science which studies methods for digitally synthesizing and manipulating visual content. Output devices output devices are used to receive information from the computer either in softcopy or hard copy. Output hardcopy devices computer graphics technology and applications kindle edition by durbeck, robert c. Pdf appearance match between soft copy and hard copy under. A hard copy is a digital document file, printed on paper and a soft copy is an electronic document that is not printed on paper but is present in a digital form like in usb drives and computers, etc. The devices which are used to input the data and the programs in the computer are known as input devices. Growth in computer graphics has led to an increase in demand for hard copy devices.

Hard copy device or output devices accept data from a computer and converted them into a form which is suitable for use by the user. Computer graphics is the creation of pictures with the help of a computer. Hard copy devices printer computing computer hardware. The term hard copy predates the age of the digital computer. Raster scan graphics coordinate system, database structure for graphics modeling, transformation of geometry, 3d transformations. As a textbook, it can be used effectively in seniorlevel computer graphics courses or in first year graduatelevel courses. Examples of hard copy include teleprinter pages, continuous printed tapes, computer printouts, and radio. Hard copy hard copy is a relatively permanent form of output that can be read immediately or stored for later use, such as paper. Dicom softcopy and hardcopy consistency demonstration. Use features like bookmarks, note taking and highlighting while reading output hardcopy devices computer graphics technology and applications. The text includes the straightforward explanation of complicated ideas like two dimensional and three dimensional graphics, graphics devices. Copy to a portable device copy all new files to your portable device.

Crt, egaenhanced graphic adaptercgavgasvga monitors, plotters, data matrix, laser printers, films, flat panel devices, video digitizers, scanners, lcd panels, keyboard, joystick, mouse, touch screen, track ball, etc. Write down and explain the midpoint circle drawing algorithm. Data is mostly shared worldwide through different methods of transmission. Ppt overview of graphics systems powerpoint presentation. This hardware device helps the user return information to the computer as well, thereby enhancing interaction, the video card processes the images seen on the monitor, return images quality are also determined by the video card quality. The process transforms and presents information in a visual form. Download procedural elements of computer graphics by david. Other p ieces of hardware are common ly referred to.

The power of computergenerated images is everywhere. About basic computer hardware every part of your computer is the result of years of research and development. Procedural elements of computer graphics by david f. Explain the various input devices 5 explain a hard copy. Hard copies depend on paper and ink and soft copies depend on computers. Output device that produces text and graphics on paper result is hard copy, or printout two orientations portrait orientation portrait orientation landscape orientation landscape p. Vga, which stands for video graphics array, is currently the most popular standard for pc screen display equipment. Go to the online ocr site, and convert the saved file to an editable format click the browse button, navigate to and select the file, then click on the upload button. Various algorithms and techniques are used to generate graphics on computer screens. As we live in an information age, data is very crucial for us.

A handheld scanner can be manually passed over the image to be scanned. A soft copy is a digital version of these media that is kept on a storage device. Nov 22, 2016 output devices output devices are used to receive information from the computer either in softcopy or hard copy. Monitor was invented in 1897 by karl ferdinand braun. Computer graphics notes pdf cg notes pdf smartzworld. Output hardcopy devices computer graphics technology and applications durbeck, robert c. A plotter is another hard copy output device that reproduces graphic. Hard copy it is a paper that has the required information mostly a printed version of information. Input devices various hardware devices have been developed to enable the user to interact in the more natural manner. Click the browse button, navigate to and select the file, then click on the upload button. Soft copy soft copy is a transient form of output, for example, text on a screen display. For example, instead of emailing a business memo, it may be sent out as a hard copy, or an actual physical paper containing the memo. Federal standard 1037c glossary of telecommunication terms defines a hard copy as a permanent reproduction, or copy, in the form of a physical object, of any media suitable for direct use by a person in particular paper, of displayed or transmitted data.

A hard copy is physical, such as a tax form, printed document, or textbook. Hard copy means a printout of data stored in a computer. Output hardcopy devices provides a technical summary of computer output hardcopy devices such as plotters, computer output printers, and crt generated hardcopy. An ocr reproduction of a text document can be modified in a word processor. Computer graphics hardcopy is output in a fixed medium that can be taken away from the context in which it was created, and can be communicated to your audience without that original context. They include printers, plotters and microfilmmicrofiche. Convert hardcopy document into editable digital document. Ibm developed the vga for its ps2 line of computers the name video graphics array is an ibm trademark, but loads of other manufacturers make vga add in boards that plug into a slot in the pc and vga chips in some pcs, these vga chips are built right into the main part of the computer, the motherboard. Federal standard 1037c defines soft copy as a nonpermanent display image, for example, a cathode ray tube display. Hard copies take a lot of space and are not easily portable, while. Scan your document hard copy and save to a suitable folder on the hard drive as pdf. Output device can produce the final product of machine processing into a form usable by humans. Understand how the important output devices for computer graphics work.