Explore topic-wise MCQs in Microprocessors.

This section includes 179 Mcqs, each offering curated multiple-choice questions to sharpen your Microprocessors knowledge and support exam preparation. Choose a topic below to get started.

151.

Log function is also called

A. Gaussian
B. gray scale image
C. gradient image
D. Mexican hat
Answer» E.
152.

Ideal edges occur over the distance of

A. 1 pixel
B. 2 pixels
C. 3 pixels
D. 4 pixels
Answer» B. 2 pixels
153.

Segmentation algorithms depends on intensity values'

A. discontinuity
B. similarity
C. continuity
D. Both a and b
Answer» E.
154.

If the standard deviation of the pixels is positive, then sub image is labeled as

A. black
B. green
C. white
D. red
Answer» D. red
155.

Sudden changes in intensity produces peak in

A. first derivative
B. second derivative
C. third derivative
D. Both a and b
Answer» B. second derivative
156.

Thresholding gives the

A. large image
B. gray scale image
C. color image
D. binary image
Answer» E.
157.

Textured inner region of the object produces

A. good boundary extraction
B. excellent boundary extraction
C. good boundary deletion
D. excellent boundary deletion
Answer» B. excellent boundary extraction
158.

For point detection we use

A. first derivative
B. second derivative
C. third derivative
D. Both a and b
Answer» C. third derivative
159.

Marr hildreth method was introduced in

A. 1980
B. 1981
C. 1982
D. 1983
Answer» B. 1981
160.

If the inner region of the object is textured then approach we use is

A. discontinuity
B. similarity
C. extraction
D. recognition
Answer» C. extraction
161.

Gradient computation equation is

A. |Gx|+|Gy|
B. |Gx|-|Gy|
C. |Gx|/|Gy|
D. |Gx|x|Gy|
Answer» B. |Gx|-|Gy|
162.

For finding horizontal lines we use mask of values

A. [-1 -1 -1; 2 2 2; -1 -1 -1]
B. [2 -1 -1; -1 2 -1; -1 -1 2]
C. [-1 2 -1; -1 2 -1; -1 2 -1]
D. [-1 -1 2; -1 2 -1;2 -1 -1]
Answer» B. [2 -1 -1; -1 2 -1; -1 -1 2]
163.

For finding lines at angle 45 we use mask of values

A. [-1 -1 -1; 2 2 2; -1 -1 -1]
B. [2 -1 -1; -1 2 -1; -1 -1 2]
C. [-1 2 -1; -1 2 -1; -1 2 -1]
D. [-1 -1 2; -1 2 -1;2 -1 -1]
Answer» C. [-1 2 -1; -1 2 -1; -1 2 -1]
164.

First derivative approximation says that values of constant intensities must be

A. 1
B. 0
C. positive
D. negative
Answer» C. positive
165.

To avoid the negative values taking absolute values in lapacian image doubles

A. thickness of lines
B. thinness of lines
C. thickness of edges
D. thinness of edges
Answer» B. thinness of lines
166.

The horizontal gradient pixels are denoted by

A. Gx
B. Gy
C. Gt
D. Gs
Answer» B. Gy
167.

Digital functions' derivatives are defined as

A. differences
B. multiplication
C. addition
D. division
Answer» B. multiplication
168.

Second derivative approximation says that values along the ramp must be

A. nonzero
B. zero
C. positive
D. negative
Answer» C. positive
169.

For line detection we use mask that is

A. Gaussian
B. laplacian
C. ideal
D. butterworth
Answer» C. ideal
170.

THE_TOTAL_DESCRIPTORS_THAT_THE_80386_CAN_HANDLE_IS?$

A. 2K
B. 8K
C. 4K
D. 16K
Answer» E.
171.

THE_STARTING_ADDRESS_OF_THE_SEGMENT_IN_PHYSICAL_MEMORY_IS_DECIDED_BY?$

A. physical memory
B. segment descriptors
C. operating system
D. base address
Answer» D. base address
172.

The limit field of the descriptor is o?

A. 10 bits
B. 8 bits
C. 16 bits
D. 20 bits
Answer» E.
173.

Which of the following is not a type of segment descriptor?

A. system descriptors
B. local descriptors
C. gate descriptors
D. none
Answer» E.
174.

The segment descriptor contains

A. access rights
B. limit
C. base address
D. all of the mentioned
Answer» E.
175.

If the Default operation size bit, D=1, the code segment operation size selected is

A. 8-bit
B. 16-bit
C. 32-bit
D. 64-bit
Answer» D. 64-bit
176.

The bit that indicates whether the segment is page addressable is

A. base address
B. attribute bit
C. present bit
D. granularity bit
Answer» E.
177.

If the segment descriptor bit, S=0, then the descriptor is

A. data segment descriptor
B. code segment descriptor
C. system descriptor
D. all of the mentioned
Answer» D. all of the mentioned
178.

The TYPE field of a descriptor is used to find the

A. descriptor type
B. segment type
C. descriptor and segment type
D. none
Answer» D. none
179.

The bit that indicates whether the segment has been accessed by the CPU or not is

A. base address
B. attribute bit
C. present bit
D. granular bit
Answer» C. present bit