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Computer Hardware MCQ GK Questions Set 1

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1. Any physical components of a computer system that we can see and touch is




2. The system unit that contains the most vital part of the personal computer is called




3. A motherboard consists of




4. Which of the following is considered as the brain of the computer?




5. Which of the following is primarily responsible for converting input (data) into meaningful output (information)?




6. Central Processing Unit in a computer consists of which major components?




7. Which of the following component of CPU performs arithmetic operations such as addition, subtraction, division, and multiplication and logic operations such as AND, OR, and NOT?




8. Which of the following component of CPU performs arithmetic operations such as addition, subtraction, division, and multiplication and logic operations such as AND, OR, and NOT?




9. Which of the following component of CPU controls input/output devices, generate control signals to the other components of the computer such as read and write signals, and performs the execution of instruction?




10. Which among the following is the fastest memory in a computer that holds information?




11. Which of the following is not hardware?




12. Which of the following are the predominant manufacturers for desktop and laptop processors?




13. Which of the following is temporary storage used to hold data that is used for arithmetic and logical operations and storing its results?




14. Data moves in and out of the CPU through embedded wires called




15. The most common buses inside the microcomputer are




16. Which bus is used to carry data to and from the memory?




17. Which register holds the address of the current instruction being executed?




18. Which register holds the actual instruction being executed currently by the computer?




19. Which register holds the address of a memory location?




20. Which register shows the results of arithmetic and logical operations such as carry, overflow, negative?




21. Which register shows the results of arithmetic and logical operations such as carry, overflow, negative?




22. Computer gets the input with the help of




23. Which of the following are not input devices?




24. Which device is mostly used to enter data or information in a computer system?




25. CPU is fabricated on a single integrated circuit board that is known as




26. The main task of the central processing unit is to




27. Which of the following unit helps to establish the communication between memory and ALU in the computer?




28. Internal memory of central processing unit is nothing but




29. Which of the following invented the first microprocessor?




30. The microprocessor consists of millions of




31. The microprocessor of a computer system




32. Which memory unit communicates directly with the CPU?




33. Which memory is used for storing data and program instructions currently being executed by CPU?




34. Which of the following components remains on the motherboard?




35. The read and write operations in the computer is carried out through




36. Which of the following key should be pressed to move to the beginning of a line of text?




37. Which key is used to launch the Start button?




38. What kind of device is a computer mouse?




39. Which button is known as a middle button used as the third mouse button?




40. A joystick is primarily used for which purpose?




41. Which input device moves in all directions, controls the movement of the cursor, and continues moving in the previously pointing direction?




42. Which of the following input device is a handheld electro-optical pointing device that is used for making drawings, graphics, and for menu selection?




43. Which input device is mainly used to detect marks on paper?




44. Which of the following input device is used for marking attendance of employees/students in organizations/institutions and security purposes?




45. Which input device is widely used for acquiring textual data from images?




46. Optical Character Recognition is used for the preparation of




47. What is the full form of MICR?




48. Which input device is used in banks for processing cheques to recognize the magnetic encoding numbers printed at the bottom of a cheque?




49. Which of the following is/are the type of smart card reader?




50. Which input device is used to recognize the physical or behavioral traits of the individual?