Question 1
Convert the denary number 173 to 8-bit binary.
Correct Answer:
10101101
Question 2
What is the hexadecimal representation of the 8-bit binary 11010110?
Correct Answer:
D6
Question 3
Using 8-bit two's complement, what is the binary representation of -42?
Correct Answer:
11010110
Question 4
In a normalised two's complement floating-point representation, what is the leading bit pattern of a positive normalised mantissa?
Correct Answer:
0.1...
Question 5
An image is 800 pixels wide, 600 pixels tall, and uses 24-bit colour. Approximately what is its uncompressed file size?
Correct Answer:
1.44 MB
Question 1
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Prepare with the Cambridge IAL Computer Science Practice Questions - Cambridge International A-Level Computer Science (9618) Exam practice quiz. This question bank includes 100 questions covering uses, pseudocode, binary, cambridge, and data. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Cambridge IAL Computer Science Practice Questions - Cambridge International A-Level Computer Science (9618) Exam

This practice set contains 100 questions from the matching question bank and focuses on uses, pseudocode, binary, cambridge, and data. 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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