Q.1. _______________ is anything that reduces human effort.
Q.2. A _______________ is used to make machine operation smoothly.
Q.3. A computer system is made up of how many kinds of devices?
Q.4. What are input devices?
Q.5. Name some commonly used input devices.
Q.6. Describe a keyboard?
Q.7. Describe a mouse?
Q.8. Name the various types of mouse.
Q.9. What is a light pen?
Q.10. What is a joystick?
Q.11. Which device is known as the control column?
Q.12. What is a scanner?
Q.13. How many types of scanner are there?
Q.14. Which is the most commonly used scanner?
Q.15. What is a microphone?
Q.16. What is a webcam?
Q.17. Explain the function of the CPU?
Q.18. Name the three main components of the CPU?
Q.19. What is the full form of CU?
Q.20. What is the full form of ALU?
Q.21. What is the full form of MU?
Q.22. What are output devices?
Q.23. Name some output devices?
Q.24. What is the full form of VDU?
Q.25. Describe a monitor?
Q.26. What are pixels?
Q.27. Name the three types of monitors?
Q.28. What is the full form of
i) CRT
ii) LCD
iii) LED
Q.29. What is a printer?
Q.30. The printed copy that we get from the printer is called ________ _________ _________.
Q.31. Name the three types of printers.
Q.32. Name two types of dot matrix printers.
Q.33. Describe Inkjet printers.
Q.34. Are inkjet printers impact or non-impact printers?
Q.35. Describe Laser Printers?
Q.36. Who invented the first laser printer and when?
Q.37. What was the name of the first laser printer?
Q.38. What is a plotter?
Q.39. What is the use of a plotter?
Q.40. What are speakers?
Q.41. What are storage devices?
Q.42. What are binary digits?
Q.43. What is the short form of binary digit?
Q.44. How is memory capacity helpful?
Q.45. How many types of memory are there in a computer?
Q.46. Describe internal memory?
Q.47. State the different types of Primary Memory?
Q.48. What is the full form of
i) RAM
ii) ROM
Q.49. Explain RAM?
Q.50. Explain ROM?
Q.51. Describe external memory.
Q.52. What are the other names of external memory?
Q.53. State different external storage devices?
Q.54. Describe a hard disk.
Q.55. Who is regarded as the father of disk drive?
Q.56. Who invented the hard disk?
Q.57. What are CDs?
Q.58. Name the two types of CDs?
Q.59. What is a CD-R?
Q.60. What is CD-RW?
Q.61. What is the full form of DVD?
Q.62. Describe DVD.
Q.63. What is a floppy disk?
Q.64. Who invented the compact disk and when?
Q.65. What are Blu-Ray discs? Why are they called so?
Q.66. Describe Pen Drive?
Q.67. What is a multimedia card?
Q.68. What is the full form of MMC?