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ECAT - Practice Test - Computer Science - Basics of Information Technology - Quiz 3

Practice 10 high yield MCQs on Computer Science from Chapter Basics of Information Technology for Practice Test. After submission, get instant results with correct answers and detailed explanations. This is Quiz 3 of the series.

21. What type of device is a mouse?



22. What type of device is a printer?



23. What type of device is a scanner?



24. What is the function of a motherboard?



25. What is the function of a PSU?



26. What is cache memory?



27. What is a register in a CPU?



28. What is the control unit?



29. What does the ALU do?



30. What is a bus in a computer?



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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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