digital multimedia questions i will thumbs up 1.If an image\'s pixel width and p
ID: 3909867 • Letter: D
Question
digital multimedia questions
i will thumbs up
1.If an image's pixel width and pixel height are each doubled, what happens to the memory requirements for storing the image uncompressed?
A.the memory required doubles
B.the memory required triples
C.the memory required quadruple
D.the memory required is multiplied factor of 8
E.the memory required is multiplied factor of 16
2.You want to record digital audio while accurately preserving a maximum frequency of 8 kHz. What is the minimum sample rate that can be used?
A. 4000 sample per second
B. 8000 sample per second
C.12000 sample per second
D.16000 sample per second
E. 2400 sample per second
F. 32000 sample per second
3. 192 kHz is a very high-resolution sample rate used mostly for professional music recording and mastering. 24-bit bit depth has become the audio industry standard for most audio recording formats. Most professional audio interfaces and computer audio editing systems can record with 24-bit precision. If a stereo audio stream is sampled at 192 kHz with a 24-bit sample rate per channel, how much storage is required to hold a non-compressed version of 1 minute of the digital audio?
4.Checksums and parity checking are ways for computer networks to do which of the following?
A. Announce receipt of data.
B. compress data
C. detect error
D. Determine the cost of a data transfers
E. Re-request lost data.
Explanation / Answer
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1.If an image's pixel width and pixel height are each doubled, what happens to the memory requirements for storing the image uncompressed?
A.the memory required doubles
B.the memory required triples
C.the memory required quadruple
D.the memory required is multiplied factor of 8
E.the memory required is multiplied factor of 16
Answer)
C.the memory required quadruple
A image's pixel width and pixel height are each doubled, then the file size will increase by square of that value. Here it is double, so the file will be 2x2 = 4 times large and thus more memory will be required.
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