The system receives positional information from input devices, generally known as pointing devices.
Which of the following is a primary output device of a graphics system?
Typically, the primary output device in a graphics system is a video monitor (Fig. 2-1). The operation of most video monitors is based on the standard cathode-ray tube (CRT) design, but several other technologies exist and solid-state monitors may eventually predominate.Which display device allows us to walk?
Option(B) Three-dimensional devices allow the users to walk around an object and view it from different sides. Direct view storage tubes are mainly used for keeping an image without refreshing it. Flat-panel display devices are used for display purpose, it has less volume, weight, and power use.Which display device contains the frame buffer?
A framebuffer (frame buffer, or sometimes framestore) is a portion of random-access memory (RAM) containing a bitmap that drives a video display. It is a memory buffer containing data representing all the pixels in a complete video frame. Modern video cards contain framebuffer circuitry in their cores.In which system the shadow mask methods are commonly used Mcq?
Explanation: Raster-scan system uses shadow-mask method because they produce wide range of colors.Which devices provides positional information to the graphics system Mcq?
1. Which devices provides positional information to the graphics system ? Explanation: Input devices positional information to the system they often called pointing devices.Which devices provides positional information to the graphics system Option 1 input devices option 2 Output devices Option 3 both a and C Option 4 pointing devices?
Which devices provides positional information to the graphics system ? a) Input devices b) Output devices c) Pointing devices d) Both a and c View Answer Answer: d Explanation: Input devices positional information to the system they often called pointing devices.What is buffer in graphics?
An area of memory (RAM) used to hold the frame of data that is continuously being sent to the screen. The frame buffer is the size of the maximum image that can be displayed, and it may be a separate memory bank on the graphics card (display adapter), GPU or a reserved part of regular memory.What is filament computer graphics?
In the CRT, heat is applied to the cathode by directing a current through a coil of wire, is called filament.What is video controller in computer graphics?
A video display controller or VDC (also called a display engine or display interface) is an integrated circuit which is the main component in a video-signal generator, a device responsible for the production of a TV video signal in a computing or game system.What graphics are used for?
Graphics are used for everything from enhancing the appearance of Web pages to serving as the presentation and user interaction layer for full-fledged Web Applications. Different use cases for graphics demand different solutions, thus there are several different technologies available.Which of the following is a computer graphics type?
4. Which of the following is a Computer Graphics type? Explanation: Vector graphics are computer-rendered visual art that follows a mathematical formula. Raster images are made up of thousands of tiny pixels, making them resolution-dependent and ideally suited for photo editing.Which of the following is a primary output device of a graphics system Mcq?
Explanation: The video monitor is the commonly used output device.How many types of computer graphics are there?
The two types of computer graphics
Computer graphics can be separated into two different categories: raster graphics and vector graphics.What is graphic device?
A graphics device is something where you can make a plot appear. Examples include. A window on your computer (screen device) A PDF file (file device) A PNG or JPEG file (file device)What are graphics output devices?
An output device is a component of hardware or the main physical part of a computer that can be touched and seen. An output device is an electromechanical device. “The Computer gives instructions and data from input devices and processes it and returns the result called as output.”What are display devices in computer graphics?
Display Devices:
The following display devices are used: Refresh Cathode Ray Tube. Random Scan and Raster Scan. Color CRT Monitors. Direct View Storage Tubes.How does computer graphics system work?
A graphics card works along the same principles. The CPU, working in conjunction with software applications, sends information about the image to the graphics card. The graphics card decides how to use the pixels on the screen to create the image. It then sends that information to the monitor through a cable.Which of the following best defines scan conversion computer graphics Mcq?
Question 1: Which of the following best defines Scan Conversion in computer graphics? It is a process of converting colored images to grayscale images.Which of the following is used in graphics workstations as input devices to accept voice commands?
________ is used in graphics workstation as input devices to accept voice commands. Explanation: Through speech recognizers user can give voice commands.Which of the following is used for 3D positioning and modeling animation and other application?
________ is used for 3D positioning and modeling, animation and other application. Explanation: Space ball is a 3D positioning device.Which of the following is component of graphics?
Which of the following is component of graphics? (A) Monitor (B) Memory buffer (C) Display controller (D) All of the above Show Answer Answer : D 2. A process of changing the position of an object in a straight line path is _____ (A) Translation (B) Rotation (C) …What is a graphics object Mcq?
It refers to an interface that allows one to interact with electronic devices like computers and tablets through graphic elements. 2) Graphics can be - Simulation. Drawing. Movies, photographs.What are graphic devices in communication?
Graphic communication as the name suggests is communication using graphic elements. These elements include symbols such as glyphs and icons, images such as drawings and photographs, and can include the passive contributions of substrate, colour and surroundings.What is graphics in media?
Graphic media is any type of media that is made up from graphic techniques, mark making, digital vector and rasterised images (logos, layouts etc), digital and traditional painting, 3D modelling, pretty much anything that makes an image on a surface. Graphic media is used in, – Posters. – TV and movies. – Leaflets.What is pixel computer graphics?
The pixel (a word invented from "picture element") is the basic unit of programmable color on a computer display or in a computer image. Think of it as a logical - rather than a physical - unit. The physical size of a pixel depends on how you've set the resolution for the display screen.What is a filament used for?
Filament refers to a wire used for conducting electricity, forming part of a vacuum tube or light bulb. The picture shows the filament of an incandescent light bulb. 2. When referring to a 3D printer, filament is the material used to form the printed object.What is raster CRT in computer graphics?
In a CRT, the raster is a sequence of horizontal lines that are scanned rapidly with an electron beam from left to right and top to bottom, in much the same way as a TV picture tube is scanned. However, there are certain differences. In general, the resolution is better in a computer CRT than in a TV picture tube.What is frame in graphics?
A frame is uniquely defined by a combination of the image to be displayed and the time the image is to be displayed. A sequence of frames makes an animation. Each frame is displayed on the screen until the next frame overwrites it.Which display device contains the frame buffer?
A framebuffer (frame buffer, or sometimes framestore) is a portion of random-access memory (RAM) containing a bitmap that drives a video display. It is a memory buffer containing data representing all the pixels in a complete video frame. Modern video cards contain framebuffer circuitry in their cores.What is bitmap computer graphics?
A bit map (often spelled "bitmap") defines a display space and the color for each pixel or "bit" in the display space. A Graphics Interchange Format and a JPEG are examples of graphic image file types that contain bit maps. A bit map does not need to contain a bit of color-coded information for each pixel on every row.What is input device discuss the different types of input device used in computer graphics?
The graphic input devices subsystem includes the keyboard/sound, mouse, tablet, dials, and lighted programmable-function keys (LPFK) devices. These devices provide operator input primarily to graphic applications. However, the keyboard can provide system input by means of the console.What are the various input devices used for computer graphics describe any two briefly?
The input can be in the form of graphics, text, sound, audio, video, and image, etc. “Input devices are those devices through which we can give the data and instructions to the computer.” For Example- Mouse, Trackball, Keyboard, Light pen, etc.Which of the following is a primary output device of a graphics system?
Typically, the primary output device in a graphics system is a video monitor (Fig. 2-1). The operation of most video monitors is based on the standard cathode-ray tube (CRT) design, but several other technologies exist and solid-state monitors may eventually predominate.Which devices provides positional information to the graphics system a Input Devices B Output devices pointing devices d both a C?
Which devices provides positional information to the graphics system ? a) Input devices b) Output devices c) Pointing devices d) Both a and c View Answer Answer: d Explanation: Input devices positional information to the system they often called pointing devices.What is a pixel mask?
A pixel mask is a 2D image whose pixel values are used to filter a dataset (both images and tables). Masks can be used as an alternative to classic regions shapes (circle, box, polygon, etc) or can be used in conjunction with them to create complex filters.What are random scan and Raster-scan techniques?
Raster scan and Random Scan are the technique used to display the picture of an object on the screen of the desktop/pc monitor. The Key Difference between Raster Scan and Random Scan, In Raster Scan electron beam, is swept across the screen, one row at a time, from top to bottom.Which of the following is a computer graphics type?
4. Which of the following is a Computer Graphics type? Explanation: Vector graphics are computer-rendered visual art that follows a mathematical formula. Raster images are made up of thousands of tiny pixels, making them resolution-dependent and ideally suited for photo editing.What is difference between raster scan and vector scan?
Vector graphics are digital art that is rendered by a computer using a mathematical formula. Raster images are made up of tiny pixels, making them resolution dependent and best used for creating photos.What is electron beam in computer graphics?
The electron beam passes through focusing and deflection systems that direct it towards specified positions on the phosphor-coated screen. When the beam hits the screen, the phosphor emits a small spot of light at each position contacted by the electron beam.How many vectors are there in 3D Mcq?
Explanation: There are three vectors in 3D instead of two. These vectors are in x, y, and z directions.What does an aspect ratio means Mcq?
Aspect ratio means:
(A) Number of pixels. (B) Ratio of vertical points to horizontal points. (C) Ratio of horizontal points to vertical points. (D) Both (b) and (c) Answer : B.What is image masking?
Using an image as a mask. A mask image is simply an image where some of the pixel intensity values are zero, and others are non-zero. Wherever the pixel intensity value is zero in the mask image, then the pixel intensity of the resulting masked image will be set to the background value (normally zero).How many types of computer graphics are there?
The two types of computer graphics
Computer graphics can be separated into two different categories: raster graphics and vector graphics.Which of the following device is not the input device?
Monitor is NOT an Input device. The device which provides any piece of information from a computer into human-readable form is known as the Output device. Monitor, Speakers, Headphones etc are examples of Output devices.Which is known as standard graphics object?
Polygon is the standard graphics object in computer.What is graphics output device?
An output device is an electromechanical device. “The Computer gives instructions and data from input devices and processes it and returns the result called as output.” For Example: Printer, Plotter, Monitor, Projector etc.What is vector and bitmap?
Rather than a grid of pixels, a vector graphic consists of shapes, curves, lines, and text which together make a picture. While a bitmap image contains information about the color of each pixel, a vector graphic contains instructions about where to place each of the components.How are vector graphics stored in a computer?
Vector graphics are stored as a list of attributes. Rather than storing the data for each pixel of an image, the computer will generate an object by looking at its attributes. The attributes are shown in bold, their values come immediately after the = sign.What is an image raster?
Raster (or bitmap) images are generally what you think about when thinking of images. These are the types of images that are produced when scanning or photographing an object. Raster images are compiled using pixels, or tiny dots, containing unique color and tonal information that come together to create the image.Which devices provides positional information to the graphics system Mcq?
1. Which devices provides positional information to the graphics system ? Explanation: Input devices positional information to the system they often called pointing devices.What is buffer in graphics?
An area of memory (RAM) used to hold the frame of data that is continuously being sent to the screen. The frame buffer is the size of the maximum image that can be displayed, and it may be a separate memory bank on the graphics card (display adapter), GPU or a reserved part of regular memory.What is animation computer graphics?
Animation means giving life to any object in computer graphics. It has the power of injecting energy and emotions into the most seemingly inanimate objects. Computer-assisted animation and computer-generated animation are two categories of computer animation. It can be presented via film or video.What is frame and keyframe?
In the timeline, you work with the frames to organize and control the content of your document. You place frames in the timeline in the order you want the objects in the frames to appear in your finished content. Keyframe. A keyframe is a frame where a new symbol instance appears in the timeline.What is the use of keyframe?
To create an action in a digital animation sequence, you first need to define the start and end points for that action. These markers are called keyframes, and they're used as anchor points for actions in all different types of animation programs, including Adobe After Effects, Animate, and Character Animator.What are raster devices?
Most device that are used to produce images are raster devices, that is, use rectangular arrays of dots (pixels) to display the image. This includes CRT monitors, LCDs, laser and dot-matrix printers.What is electric filament?
filament in Electrical Engineering
A filament is the thin wire inside a light bulb that emits light when heated by an electric current. The incandescent light bulb makes light by heating a metal filament wire to a high temperature until it glows.Which gas is filled in electric bulb?
Incandescent light bulbs are filled with an inert gas like nitrogen, argon, or krypton - so that the filament doesn't catch fire.Which gas is present inside the bulb?
Argon or Neon gas is filled in electric bulbs. Argon is an inert gas which does not give rise to any chemical reaction and so would not affect the working of tungsten filament. These gases slow down the evaporation of tungsten filament.What is RGB computer graphics?
RGB (red, green, and blue) refers to a system for representing the colors to be used on a computer display. Red, green, and blue can be combined in various proportions to obtain any color in the visible spectrum. Levels of R, G, and B can each range from 0 to 100 percent of full intensity.