Question 1
In a computer system, what is the smallest unit of data that can represent only two states, 0 or 1?
Correct Answer:
A bit
Question 2
What is the decimal (denary) value of the binary number 1011?
Correct Answer:
11
Question 3
Convert the hexadecimal number 2F to denary (decimal).
Correct Answer:
47
Question 4
How many distinct values can be represented using one byte (8 bits)?
Correct Answer:
256
Question 5
Which coding scheme uses 7 bits to represent English letters, digits and control characters, supporting 128 characters?
Correct Answer:
ASCII
Question 1
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About this Exam

Prepare with the HKDSE ICT Practice Questions - HKDSE Information and Communication Technology Exam practice quiz. This question bank includes 100 questions covering data, computer, binary, bits, and represent. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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HKDSE ICT Practice Questions - HKDSE Information and Communication Technology Exam

This practice set contains 100 questions from the matching question bank and focuses on data, computer, binary, bits, and represent. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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