Introduction To Digital Media Technology
An Introduction to Digital Media Technology
- 1.Digital is either on or off, 1 or 0...
- A.
True
- B.
False
- 2.Digital Storage has a poor life span...Medium D Storage Medium
- A.
True
- B.
False
- 3.Digital signals are “cleaner” because...
- A.
They are lossy
- B.
They do not have much noise.
- C.
They create big files
- 4.Digitizing is...
- A.
Converting images to vectors
- B.
Capturing large files
- C.
Converting analogue to digital information
- 5.Sampling means...
- A.
The process of converting RGB colour into CMYK colour
- B.
The process of converting analog data into digital data “pixels"
- C.
The process of converting files into vectors
- 6.In compression, Lossy means...
- A.
Where the compressed data can be digitized to return an different copy of the original.
- B.
Where the compressed data can be uncompressed to return an identical copy of the original.
- C.
- where some quality is lost to achieve greater compression but the loss is not noticeable.
- 7.JPG Files are...LOSSY
- A.
True
- B.
False
- 8.AVI files are....
- A.
Lossy
- B.
Lossless
- C.
Both Lossy and Lossless
- 9.In video, HD ready (720p) is...
- A.
640×480 pixels
- B.
1280 x 720 pixel
- C.
1920×1080 pixels
- 10.SD video is much better than HD video...
- A.
True
- B.
False
- 11.Current video CODECs such as AVCHD (H.264) can compress video up to 100 to 1 with almost no loss in quality.
- A.
True
- B.
False
- 12.Vector graphics are images are described by the pixel values in x y locations in an image file.
- A.
True
- B.
False
- 13.Example of VECTOR graphic files...
- A.
Ai
- B.
Swf
- C.
All of the above
- 14.Vector images are best for ...
- A.
Cartoons
- B.
Illustrations
- C.
Both of the above
- 15.To reduce a file size you should change the image from a Vector image to a Bitmap image...
- A.
True
- B.
False
- 16.Bit Depth means the...
- A.
The rate of compression
- B.
Number of colours
- C.
The type of colour system
- 17.The human eye sees in CMYK colour...
- A.
True
- B.
False
- 18.24 Bits is equal to
- A.
16.7 million tones of colour..
- B.
65,536 tones of colour
- C.
256 tones of colour
- 19.There is NO loss of quality when zooming in to or scaling a Vector graphic...
- A.
True
- B.
False
- 20.DPI deals with resolution and means....
- A.
Digital per inch
- B.
Dots per inch...
- C.
Depth per inch
- 21.CMYK colours fade to black, are transparent and is called.....
- A.
Additive colour
- B.
Subtractive colour
- C.
Digital colour
- 22.RGB colour is for SCREEN display....
- A.
True
- B.
False
- 23.Resolution relates to ..... Density...
- A.
Pixel
- B.
Digital
- C.
Compression
- 24.Anti-aliasing means....
- A.
To reduce the size of a colour file
- B.
To change an image to a bitmap image
- C.
To smooth out an image edge by colouring pixels with transitional colours
- 25.The meaning for a PNG format is...
- A.
Playable new graphic
- B.
Portable network graphic
- C.
Portable new group
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