1. To convert a continuous sensed data into Digital form, which of the following is required?

A. Sampling

B. Quantization

C. Both Sampling and Quantization

D. Neither Sampling nor Quantization

2. To convert a continuous image f(x, y) to digital form, we have to sample the function in __________

A. Coordinates

B. Amplitude`

C. All of the mentioned

D. None of the mentioned

3. For a continuous image f(x, y), how could be Sampling defined?

A. Digitizing the coordinate values

B. Digitizing the amplitude values

C. All of the mentioned

D. None of the mentioned

4. For a continuous image f(x, y), Quantization is defined as

A. Digitizing the coordinate values

B. Digitizing the amplitude values

C. All of the mentioned

D. None of the mentioned

5. “For a given image in one-dimension given by function f(x, y), to sample the function we take equally spaced samples, superimposed on the function, along a horizontal line. However, the sample values still span (vertically) a continuous range of gray-level values. So, to convert the given function into a digital function, the gray-level values must be divided into various discrete levels.”

A. True

B. False

6. How is sampling been done when an image is generated by a single sensing element combined with mechanical motion?

A. The number of sensors in the strip defines the sampling limitations in one direction and Mechanical motion in the other direction.

B. The number of sensors in the sensing array establishes the limits of sampling in both directions.

C. The number of mechanical increments when the sensor is activated to collect data.

D. None of the mentioned.

7. How does sampling gets accomplished with a sensing strip being used for image acquisition?

A. The number of sensors in the strip establishes the sampling limitations in one image direction and Mechanical motion in the other direction

B. The number of sensors in the sensing array establishes the limits of sampling in both directions

C. The number of mechanical increments when the sensor is activated to collect data

D. None of the mentioned

8. How is sampling accomplished when a sensing array is used for image acquisition?

A. The number of sensors in the strip establishes the sampling limitations in one image direction and Mechanical motion in the other direction

B. The number of sensors in the sensing array defines the limits of sampling in both directions

C. The number of mechanical increments at which we activate the sensor to collect data

D. None of the mentioned

9. The quality of a digital image is well determined by ___________

A. The number of samples

B. The discrete gray levels

C. All of the mentioned

D. None of the mentioned

10. Assume that an image f(x, y) is sampled so that the result has M rows and N columns. If the values of the coordinates at the origin are (x, y) = (0, 0), then the notation (0, 1) is used to signify :

A. Second sample along the first row

B. First sample along the second row

C. First sample along the first row

D. Second sample along the second row