Csc253 Quiz 1 (Ch3: Image)
Please answer all questions.Write down your name, group and matric no. properly.
- 1.The ______________ of a bitmap graphic is related to its image size and colour depth.
- A.
Screen resolution
- B.
Image quality
- C.
File size
- D.
Pixel
- 2.Choose the correct file format for image.
- A.
.mp3
- B.
.gif
- C.
.swf
- D.
.mp4
- 3.Choose which of the following is incorrect statement for vector-drawn images and bitmaps.
- A.
Vector images cannot be used for photo-realistic images
- B.
Vector images require a plug-in for web-based display
- C.
Bitmaps are easily scalable and resizable
- D.
Bitmaps can be converted into vector images using autotracing
- 4.The model is based on the light-absorbing quality of ink printed on paper
- A.
RGB
- B.
HSL
- C.
CMYK
- D.
HSB
- 5.Ln 3-D process, graphics that can be applied to the faces of an object to provide a more realistic appearance are ?
- A.
Primitives
- B.
Extrudes
- C.
Lathes
- D.
Textures
- 6.A special effect in which one image seems to melt into another is referred to as?
- A.
Shearing
- B.
Morphing
- C.
Scaling
- D.
Distorting
- 7.Lmages that are made up of thousands of pixels are called?
- A.
Bitmap
- B.
Vector
- C.
Bezier
- D.
Texture
- 8.Panoramic images are created by stitching together a sequence of photos around a circle and adjusting them into a single seamless bitmap, true or false?
- A.
True
- B.
False
- 9.Select the correct basic steps involved in creating 3D animation.
- A.
Modelling --> Rendering --> Animation
- B.
Rendering --> Modelling --> Animation
- C.
Animation --> Modelling --> Rendering
- D.
Modelling --> Animation --> Rendering
- 10.Identify which of the following answers refers to the statement.
- A.
Additive color
- B.
Subtractive color
- C.
Monitor-specific color
- D.
Color models
- 11.Which of the following best describes additive colour?
- A.
Colour created combining coloured light sources in three primary colours; cyan, yellow and black (CYK).
- B.
Colour created combining coloured light sources in three primary colours; red, green and blue (RGB).
- C.
Colour created combining coloured light sources in three primary colours; red, green and black (RGB).
- D.
Colour created combining coloured light sources in three primary colours; cyan, magenta and yellow (CMY).
- 12.Printing is a process for reproducing text and images using a master form or template. Modern printing is done typically with ink on paper using a printing press. It is also frequently done on metals, plastics, cloth and composite materials. On paper it is often carried out as a large-scale industrial process and is an essential part of publishing and transaction printing. Why vector drawing is most likely to be used in this field?
- A.
It can be viewed directly from the web browsers
- B.
It can be used in any platform
- C.
It can be scaled at any sizes
- D.
It can be used for complex and detailed drawing
- 13.Which of the following software is used to create vector graphics?
- A.
Adobe Photoshop
- B.
Adobe Premiere
- C.
Microsoft Paint
- D.
Adobe Illustrator
- 14.Bitmap images is also known as ____________ graphics.
- A.
Pixel
- B.
Drawn
- C.
Binary
- D.
Paint
- 15.What are the colours represented by a charged-coupled-device (CCD) in a video camera?
- A.
CMYK
- B.
RGB
- C.
RGBY
- D.
YIQ
- 16.Which of the following is not a colour model?
- A.
RGB, CMYK, HSB, HSL
- B.
CMYK, CIE, YIQ, YCC
- C.
YCC, YUV, CMYK, RGB
- D.
CMYK, RGB, YUV, HLS
- 17.Dithering is a process whereby the color value of each pixel is changed to the closest matching color value in the target palette. This is done using colour coded algorithm.
- A.
True
- B.
False
- 18._________ contains various shades of grey as well as pure black and white images.
- A.
Grayscale image
- B.
Black and white image
- C.
Duo-tone image
- D.
Binary image
- 19.In RGB color scheme, mixing red, green and blue will produce the color?
- A.
Black
- B.
White
- C.
Green
- D.
Red
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