Quiz: Overflow - What It Is and Why It Happens
OCR GCSE J277 Computer Science specification
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Welcome! You've already learned about binary numbers and binary addition. Now, let's explore overflow errors and understand why they happen.
What is an overflow error?
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Match the items on the left with their correct pairs on the right
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An overflow error occurs when a binary calculation produces a {{blank0}} that is too large to fit within the available {{blank1}}.
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Which of the following statements about overflow errors are correct? (Select all that apply)
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Add 1001 + 0111 in binary. Does an overflow occur if the result is stored in 4 bits?
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What happens when an overflow error occurs during binary addition?
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Match the items on the left with their correct pairs on the right
Which of the following are ways to prevent overflow errors? (Select all that apply)
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If a binary number is stored in 8 bits, what is the largest number it can represent?
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When adding two 8-bit binary numbers, the maximum possible sum requires {{blank0}} bits, while the available space is {{blank1}} bits.
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What happens to the extra bit in an overflow error?
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