Chapter 13 - Digital representation
Quiz
•
Computers
•
6th Grade
•
Practice Problem
•
Hard
NITHIYALAKSHMI SUDHAKARAN
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What problem did the creators of Instagram see an opportunity to solve?
Designing a new camera technology
Developing a new computer program
Sharing imagery through mobile phones
Creating a new social media platform
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who is credited with creating the first digital image using pixels?
An early computer engineer
Piper, a photographer
Mike, co-founder of Instagram
Russell Kirsch
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are pixels made up of on a screen?
Tiny dots of little darkness and light
Tiny dots of little darkness
Tiny dots of little light of different colors
Tiny dots of little light of the same color
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the term 'resolution' refer to in the context of a smartphone screen?
The number of colors in an image
The dimensions of the screen in inches
The number of pixels on a screen
The density of pixels on a screen
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are RGB values represented in a computer?
Using the octal number system
Using the decimal number system
Using the binary number system
Using the hexadecimal number system
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the full form of MPEG?
Moving Pictures Expert Group
Motion Pictures Expert Group
Moving Pixels Expert Group
Moving Pictures Encode Group
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do digital artists often represent colors?
Using the decimal number system
Using the binary number system
Using the octal number system
Using the hexadecimal number system
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