Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Chapter: 19
Q301:
What binary notation is used for storing whole numbers?
A. Floating point notation
B. Two’s complement
C. ASCII
D. Unicode
Correct Answer:
B
Chapter: 19
Q302:
What binary notation is used for fractional numbers?
A. Two’s complement
B. Floating point notation
C. Hexadecimal
D. Decimal
Correct Answer:
B
Chapter: 19
Q303:
How many values can be represented with 3 bits?
A. 4
B. 8
C. 16
D. 32
Correct Answer:
B
Chapter: 19
Q304:
Which notation is used for representing numeric values efficiently?
A. Unicode
B. Binary notation
C. Two’s complement
D. ASCII
Correct Answer:
B
Chapter: 19
Q305:
What does 2^n represent in binary notation?
A. Number of bits
B. Number of characters
C. Number of numeric values
D. Number of bytes
Correct Answer:
C
Chapter: 19
Q306:
What is the main advantage of binary notation over Unicode for numeric values?
A. Uses more storage space
B. Provides more precision
C. Requires fewer bits to represent numbers
D. Is easier to understand
Correct Answer:
C
Chapter: 19
Q307:
What is the maximum number of values that can be represented with 8 bits?
A. 128
B. 256
C. 512
D. 1024
Correct Answer:
B
Chapter: 19
Q308:
How many bits are required to represent 65,536 values?
A. 8
B. 12
C. 16
D. 24
Correct Answer:
C
Chapter: 19
Q309:
In which situation is floating point notation typically used?
A. Storing whole numbers
B. Storing text
C. Storing fractional numbers
D. Storing binary data
Correct Answer:
C
Chapter: 20
Q310:
What does "Pixel" stand for in image representation?
A. Picture Element
B. Pixel Element
C. Picture Enhancement
D. Pixel Enhancement
Correct Answer:
A
Chapter: 20
Q311:
How is each pixel represented in black and white images?
A. One byte
B. One bit
C. Two bits
D. Four bits
Correct Answer:
B
Chapter: 20
Q312:
What is the primary encoding method for storing shades of gray in an image?
A. 1 bit
B. 8 bits
C. 16 bits
D. 24 bits
Correct Answer:
B
Chapter: 20
Q313:
How many bytes are used to represent one pixel in RGB encoding?
A. 1 byte
B. 2 bytes
C. 3 bytes
D. 4 bytes
Correct Answer:
C
Chapter: 20
Q314:
What does RGB stand for in color image encoding?
A. Red, Green, Blue
B. Red, Gold, Blue
C. Red, Green, Black
D. Red, Green, Brown
Correct Answer:
A
Chapter: 20
Q315:
What is the role of the brightness component in the Brightness Chrominance encoding method?
A. Represents pixel’s luminance
B. Represents pixel’s color
C. Represents pixel’s contrast
D. Represents pixel’s sharpness
Correct Answer:
A
Chapter: 20
Q316:
In Brightness Chrominance, what does Blue Chrominance represent?
A. Difference between luminance and amount of blue
B. Difference between luminance and amount of red
C. Difference between red and green
D. Difference between green and blue
Correct Answer:
A
Chapter: 20
Q317:
What happens to the number of pixels when an image is scaled up?
A. It decreases
B. It stays the same
C. It increases
D. It becomes blurry
Correct Answer:
C
Chapter: 20
Q318:
Which encoding method is used for handling shades of grayness in images?
A. RGB encoding
B. Bitmap encoding
C. 1-bit encoding
D. 8-bit encoding
Correct Answer:
D
Chapter: 20
Q319:
Which image scaling technique uses geometric structures?
A. Digital Zoom
B. Bitmap Scaling
C. Analytical Geometry
D. Pixel Reproduction
Correct Answer:
C
Chapter: 20
Q320:
What are Scalable Fonts typically used in?
A. Digital Image Processing
B. Text Rendering
C. Computer Aided Design (CAD)
D. Audio Processing
Correct Answer:
C