Computers quiz
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Which computer memory loses all data when powered off?
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More questions about Computers
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Which component is called the brain of a computer?
Answer: CPU
Why: The CPU earns this title by handling the core instructions that direct every other component.
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Which fast memory sits directly inside a computer CPU?
Answer: Cache
Why: Cache stores frequently used instructions on the processor to avoid slower trips to RAM.
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What error occurs when a calculation exceeds its bit limit?
Answer: Integer overflow
Why: When a fixed-bit integer exceeds its upper bound, the value wraps around to its minimum.
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What base number system do computers use natively?
Answer: Binary
Why: Computers rely on binary because electrical transistors have two natural states: on and off.
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What is a group of 4 binary bits called in computing?
Answer: Nibble
Why: A nibble is exactly half a byte and corresponds to a single hexadecimal digit.
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How many bits make up one standard computer byte?
Answer: 8
Why: Because each bit is binary, eight bits together provide 256 unique combinations.
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