WorksheetsYear 9 Data Representation Quiz 1
Total questions: 12
Worksheet time: 6mins
Convert the binary number 01101100 to its denary equivalent.
108
109
110
111
What is the denary value of the binary number 01101111?
110
111
112
113
Convert the binary number 01100001 to its denary equivalent.
96
97
98
99
What is the binary representation of the denary number 109?
01101101
01100101
01110010
01101100
What is the denary value of the binary number 01101101?
109
101
108
115
What are the individual elements of a digital image called?
Bits
Pixels
Bytes
Grids
What is the relationship between resolution and screen size?
Higher resolution is needed for larger screens
Lower resolution is needed for larger screens
Resolution and screen size are unrelated
Resolution only affects sound
How does increasing the number of pixels affect image quality?
Increases image quality
Decreases image quality
No effect on image quality
Only affects color depth
How is an image represented in digital form?
As a sequence of letters
As a sequence of binary digits
As a sequence of colors
As a sequence of numbers
What does the term "resolution" refer to in a digital image?
The color depth
The number of pixels
The file size
The image format
What is a benefit of having a high color depth in images?
Increased quality
Decreased quality
Less storage space
Faster processing
What is a disadvantage of using more bits for color representation?
More effort required for processing
Less effort required for processing
Faster processing
Reduced storage space
