Concept:Syllogism: Determine which conclusions logically follow from given statements.
Explanation:Statements: Most CPUs are keyboards → at least one CPU is a keyboard.
No keyboard is a Mouse → keyboards and mice are disjoint.
All Mouses are CPU → every mouse is a CPU.
Conclusion I: Some keyboards are CPU — true, because there is at least one CPU that is a keyboard.
Conclusion II: All CPUs are Mouse — false, because some CPUs are keyboards and keyboards are not mice.
Conclusion III: No Mouse is a keyboard — true, directly from “No keyboard is a Mouse”.
Conclusion IV: Some Mouse are keyboard — false, contradicts statement 2.
Only I and III follow.
Answer:Option C: Only I and III follow