describe the light pen input device used in cad

Found inside – Page 23What is a light pen ? Ans. Light pen is used as a pointing device. A person can point the pen and ... It is more popular input device for artistic purposes. Found inside – Page 51Describe the various types of semiconductor memory devices used in ... input devices : ( a ) Digitiser ( b ) Tablet ( c ) Mouse ( d ) Light pen 10. Found inside – Page 445... of Computing (1991) defines 'interactive' as “a word used to describe a system ... may be presented via an input device such as a keyboard or light pen, ... Found inside – Page 23c c Rather than using RFID chips, a bar code could be used. ... monitors: ▻ Can be used with a light pen to produce and edit drawings using CAD software. Found inside – Page 808Also Buffer : a place to put information before further process- used to describe various pieces of equipment including the ing . ... CAD / CAM : abbreviation for computer - aided design / com- K : abbreviation for Kilo - byte used to denote 1,024 units of puter - aided ... CD - ROM Drive : Information is retrieved by a laser beam Light pen : an input device that uses a light - sensitive stylus that scans tracks of ... Found inside – Page 145There are output devices such as direct-view storage tubes, laser scanners, ... an alphanumeric keyboard, a data tablet, a mouse or a light-pen; ... Found inside – Page 89(b) State a suitable input device for reading the payment ... special graphics function keys and/or graphics pad with light pen or mouse for data input. Found inside – Page 85Describe hand - held scanners and flat - bed scanners . ... screen is and ( i ) Light pen ( u ) Non - impact printers ( v ) Input and Output Devices 85. Found inside2 INPUT AND OUTPUT DEVICES 4 Five devices are shown on the left and five ... [4] Inkjet printer Display that uses light modulating properties of crystals ... Found inside – Page 560AIMING CIRCLE : A circle or other pattern of light projected by a light pen onto the surface of the display to guide the accurate positioning of the pen and / or to describe the light pen's field of view . ... CURSOR : A movable marker visible on a CRT display used to indicate the position at which the next operation ( e.s. , Insertion , replacement , or erasure of a character ) ... DISPLAY CONSOLE : A hardware complex consisting of a display device plus one or more computer input devices . Found inside – Page 204In its most literal sense the term is used to describe a 2-D model which ... specially designed display equipment, a light pen allows the operator to “draw' ... Found inside – Page 390Design packages were used to produce the global images on these screens. ... CAD installation includes a computer and a variety of input devices (mouse, keyboard, light pen, graphics tablets) and output ... Some design packages are only able to present the line drawings that describe the edges and envelopes of a part's ... Found inside – Page 52What are the input devices more commonly used for CAD/CAM applications? ... input devices with neat sketches: (1) keyboard (2) mouse (3) lightpen (5) ... Found inside – Page 109Discuss any recently introduced input or output devices about which you have read or heard . What do you believe to be their potential ? 8. Determine whether each of the following devices or media are used for input only , output only , input / output , or as an offline device ... COM e . audio device f . terminal g . plotter h . keyboard i . intelligent terminal j . mouse k . light pen 1. ... Survey manufacturing companies in your area to determine those utilizing CAD / CAM and in what capacity . Found inside – Page 49REVIEW QUESTIONS 2 - 1 What is the difference between a light pen and a stylus ? 2 - 2 Name five typical hardware components of a CAD system . 2 – 3 Name five types of input devices . 2 – 4 Name five ... 2 - 6 What is a cursor used for ? Found inside – Page 59(b) Discuss the reasons why magnetic cards became so popular in the financial sector during the 1 980s; and yet are ... Describe how each of these is likely to be used in this smart card, and describe why it is appropriate for this particular ... The screen may respond to pressure or have a capacitive overlay or be scanned by a light beam or have electrical ... It could be used for the input of line drawings or CAD applications generally. ... (d) A graphics printer is a device which can print. Found inside – Page 103Glossary The following glossary of terms used in number of discrete conditions of signal Database . ... A circle or other pattern of holds data from an input device for the two or more stations . light projected by a light pen ... ( 1 ) An organized collection of rate positioning of the pen and / or to CAD . ... ( 2 ) The major unit of data describe the light pen's field of view . storage and retrieval in the operating CAM . Found inside – Page 18Early CAD The first CAD systems were intended to supplement or replace the ... More recently , the light pen has given way to a hand - held device that is ... Found inside – Page 110Three - axis input devices We have already discussed how a joystick can be used to enter three values that can be ... However , many CAD / CAM operations involve the manipulation of 3D objects and 3D input devices will play a significant role in future CAD / CAM systems . ... The term “ logical input device ' does not describe a physical input device but an input function . ... In earlier systems , the lightpen was the only device that could be easily used to identify graphical entities on the ... Found inside – Page 85Catalog for light pens explains how pens Catalog includes information on " Smart Indicator lights catalog and data sheets are used for ... prodand data entry in data processing , CAD / keyboards and other input devices to power ucts as well as unique LED packages . ... op- Joy stick and keyboard brochures describe Data sheet for MAG - 101 AT / XT keyboard tions that can be designed into panels . Found inside – Page 425Σ MiniBriefs describe NASA innovations and reports in an abbreviated format ... Program use also requires a light - pen input device such as the 3 - G ... Found inside – Page 19However , cleaning of spurs is not neematic database for CAD interface . ... These drawings contain guage ( SDL ) is used in the symbol interpretation task , junction dots , connecting line ... mode through a special input device such as a ulation languages are developed to describe the symbol light pen and tablet . Found inside – Page 21(ii) Input device, used to point on screen in GUI based operating system. ... (f) Light Pen (g)Joy Stick (h)CPU (i) Keyboard (j) Monitor Ans. a,d,f,g,i,j. Found inside – Page 4... the SAGE (Semi-Automatic Ground Equipment) air defense system is designed ... and introducing the light pen as an input device for operators to select ... Found inside – Page 292.4 Overview of Computer Hardware Hardware is the term used to describe the physical parts of the computer system ... always have at least a keyboard , and often a pointing device like a mouse or ( less often ) a light pen or touch screen . ... A less common input device is the digitizer ; it consists of a large flat tablet and pen and is used to enter graphical data ... In the front work space can be seen the major components of a CAD workstation : screen , keyboard , and digitizing tablet . Found inside – Page 147We do this by predicting where the pen will be during the next cycle based on where it has been during the last few cycles . The cross is placed at this position ... Many physical devices can be used to move the screen cursor to a desired target . ... EXERCISES 1. Describe the analogy between electron and light optics . 2. ... technologies . 9. A kind of input device is the lightpen or Exercises 147 Exercises, Found inside – Page 192TOPOLOGY - In network parlance , a term used to describe the physical or logical placement of nodes in a computer network . ... to cause the DISPLAY DEVICE to follow or determine the position of a moving input device such as the writing tip of a STYLUS . ( 2 ) The moving of a tracking symbol with a light - pen . Found inside – Page 3-3Chapter Outline Teacher Notes and Activities B. Trackball Describe a trackball . Explain the ... Pen input devices also allow users to create their own gestures for frequently used commands . Discuss ... F. Light pen Describe a light pen . Light pens are often used in combination with computer - aided design ( CAD ) software . Found inside – Page 903.3 Pointing devices For other applications , however , a human moderator is still required to record speech in some ... For this reason , another project at Southampton University is currently investigating the possibility of written shorthand recognition using a Data Tablet input device ( Brooks and ... Light pens have been used for many years in CAD applications , but are ... In general , no preseriptive data set can be used to describe a graphical or pictorial image in the way that ASCII or ... Found inside – Page 259This term is also used to describe the horizontal length of a rafter . sash The single frame in which window glass is set . This frame can be moved up or down . scale , architect's Measuring instrument used in architectural drawing . ... roof that admits light . together in a straight line . split - level house A one - story house with another level about half a floor above or ... upright members in the framework of a building's wall . stylus A special input device for computer - aided drafting ( CAD ) . Found inside – Page 21(ii) Input device, used to point on screen in GUI based operating system. ... Light Pen (g)Joy Stick (h)CPU (i) Keyboard (j) Monitor Ans. a,d,f,g,i,j. Found inside – Page 22Scanning Scanners are input devices that can be used to capture an image ... or for computer aided design (CAD) work light pen – used for selecting items on ... Found inside – Page 91... be employed in CAD systems ? 4.7 Discuss the working principles of the following graphics input devices : ( a ) Tracker ball ( b ) Light pen ( c ) Mouse ... Found inside – Page 447Light Pen - It is used to select text, draw pictures and interact with user ... Pascaline was the first calculating device with a capability to perform ... Found insideA CAD program can convert a designer's rough sketches into a more finished form, using input devices such as mouse and light pen. Found inside... input devices like the mouse or light pen more specifically. In 1963 Ivan Sutherland designed the proto-CAD program Sketchpad, which he describes as ... Found inside – Page 109Describe the application for which it might be used. ... A light pen is a hand-held, pen-shaped device connected by cable to the terminal which can be used ... Found inside – Page 54past interfaces and to describe what the interface is doing. ... Light pens were also used to address graphics screens directly, although they were heavy ... Found inside – Page 903.3 Pointing devices For other applications , however , a human moderator is still required to record speech in some ... is currently investigating the possibility of written shorthand recognition using a Data Tablet input device ( Brooks and ... Light pens have been used for many years in CAD applications , but are much less attractive as an Electronic Office interface . ... In general , no prescriptive data set can be used to describe a graphical or pictorial image in the way that ASCII or ... Found inside – Page 44Describe the following input devices : ( a ) digitizer , ( b ) tablet , ( c ) mouse , and ( d ) light pen . Specify a digitizer for the CAD application and ... Found inside – Page 66lems of the on - screen design of a product ( CAD ) to its engineering behavior , while CAM does the same thing for manufacturing ... It can be used to draft and build both simple and complex parts all the way from a hinge to a robot . ... display , keyboard , plotter , and one or more graphic input devices such as a digitizer , light pen , track ball , joystick or tablet . ... Such software enables designers to describe the volume and mass of mechanical parts on the computer - a considerable ... Found inside – Page 303Hardware is a term used to describe the machinery used in CAD , whereas the software may be thought of as the programs or instructions required to ... Input devices could include a keyboard , a lightpen , a trackball , a joystick , a mouse , or ... The text is recommended for engineers and physicists who would like to know how computers can aid them in design, as well as computer experts who aim to write programs intended for design. Found inside – Page 151The following items describe some of the features that help facilitate BOM generation . ... provide the user with visual feedback that verifies entity selection as specified by a CAD system input device ( e . g . , light pen , cursor , tablet status ) . Found inside – Page 12CAD - MRP II Integration Using Separate Data Bases Systems for Supporting the MRP II / JIT Environment Ashok. CAD MRP 11 ... The following items describe some of the features that help facilitate BOM generation . As CAD ... For example , some systems provide the user with visual feedback that verifies entity selection as specified by a CAD system input device ( eg . , light pen , cursor , tablet stylus ) . Found inside – Page 138In computer-aided design/computer-aided manufacturing (CAD/CAM), computers are used to create two- and three-dimensional pictures ... Common graphics input devices include the digitizer, the digitizing tablet, the light pen, the joy stick, the mouse, the footmouse, and the touch screen. ... Describe the two types of speech recognition systems and discuss the problems involved in speech recognition. 4. Found insideResidential and Light Commercial Construction Thomas E. Proctor. INTRODUCTION ... Chapters 3 through 10 discuss specific plans and specifications . A new Chapter 11 , Final ... A _ is an electromechanical device used to input information into a CAD system . A . plotter B . light pen C . stylus D . CPU Completion Determine the response that correctly completes the statement . Write the appropriate ... Found inside – Page 482.9 Describe the following input devices : ( a ) digitizer , ( b ) tablet , ( c ) mouse , and ( d ) light pen . 2.10 Specify a digitizer for the CAD ... Plans and specifications Stick ( h ) CPU ( i ) Keyboard ( j ) Monitor Ans light -.. 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