School Olympiads - National Cyber Olympiad & AI Foundation (NCO)

Cyber Ethics, Safe Internet Habits & Malware Defense question bank (Computer Fundamentals & Digital Hardware)

Practice 4 free School Olympiads - National Cyber Olympiad & AI Foundation (NCO) Computer Fundamentals & Digital Hardware - Cyber Ethics, Safe Internet Habits & Malware Defense questions with answers and step-by-step solutions.

Q1.
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In computing logic for Cyber Ethics, Safe Internet Habits & Malware Defense, what is the binary representation of the decimal number $20$?

(A)
{'key': 'A', 'text': '(10100)₂'}
(B)
{'key': 'B', 'text': '(10101)₂'}
(C)
{'key': 'C', 'text': '(10110)₂'}
(D)
{'key': 'D', 'text': '(10011)₂'}
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Q2.
In computing logic for Cyber Ethics, Safe Internet Habits & Malware Defense, what is the binary representation of the decimal number $25$?

(A)
{'key': 'A', 'text': '(11001)₂'}
(B)
{'key': 'B', 'text': '(11010)₂'}
(C)
{'key': 'C', 'text': '(11011)₂'}
(D)
{'key': 'D', 'text': '(11000)₂'}
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