Previous Year Very Short Questions of PLCM (DIPLOMA electrical engineering 6th)

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Programmable logic controllers and microcontrollers

Previous year question paper with solutions for Programmable logic controllers and microcontrollers

Our website provides solved previous year question paper for Programmable logic controllers and microcontrollers . Doing preparation from the previous year question paper helps you to get good marks in exams. From our PLCM question paper bank, students can download solved previous year question paper. The solutions to these previous year question paper are very easy to understand.

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  1. IL stands for_______.
  2. PLC stands for _______.
  3. Sinking is common ______line.
  4. There are _______ types of timers.
  5. PLC _______ consists of a commonly used set of symbols that represent instructions.
  6. PLC controller can be reprogrammed through a computer but through ______.
  7. _______instruction copies from one list to another.
  8. ________ instruction will allow a line to true for only one scan.
  9. 8051 microcontroller has ______bytes of ROM.
  10. The maximum size of program memory in 8051 can be _______.
  11. Register SP stands for _______.
  12. The maximum size of program memory in 8051 can be _______.
  13. A program that consists of 0s and 1s is called _______.
  14. LED _______ segment displays are very commonly used numeric display.
  15. Keyboards are most widely used _______ device.
  16. LCD stands for_______.
  17. PLC stands for_______.
  18. The organization of data memory showing where each type of data is stored is called ______.
  19. Plc is the replacement of _______.
  20. Plc is the replacement of _______.
  21. OSR stands for_______.
  22. A timer function allows the plc to perform timing operations based on a ______ clock.
  23. R.T.O. stands for _______.
  24. The ladder diagram is a representation of ________.
  25. Microcontroller has its own inbuilt _____.
  26. 8051 microcontroller has _______pin.
  27. Liquid crystal display is an ______ device.
  28. Keyboard is an ______ device.
  29. In 8051 microcontroller, a quartz crystal oscillator is connected to _______and ______.
  30. Speed of operation of relay is ______ as compare to PLC.
  31. IL stands for_______.
  32. Sinking is common ______line.
  33. PLC stands for _______.
  34. Sinking is common ______line.
  35. There are _______ types of timers.
  36. PLC _______ consists of a commonly used set of symbols that represent instructions.
  37. PLC controller can be reprogrammed through a computer but through ______.
  38. ________ instruction will allow a line to true for only one scan.
  39. Register SP stands for _______.
  40. A program that consists of 0s and 1s is called _______.
  41. m. LED _______ segment displays are very commonly used numeric display.
  42. Keyboards are most widely used _______ device.
  43. LCD stands for_______.
  44. R.T.O. stands for _______.
  45. The ladder diagram is a representation of ________.
  46. Microcontroller has its own inbuilt _____.
  47. Keyboard is an ______ device.
  48. Liquid crystal display is an ______ device.
  49. Speed of operation of relay is ______ as compare to PLC.
  50. A very commonly used method of programming PLCs is based on the use of ………………. .
  51. PLCs have limited …………. as compared to computers and have fixed …………. For a particular PLC.
  52. ………………. is a technique often used when planning a program after a written description has been developed.
  53. ……………… instructions are used to copy a data from one location to another.
  54. In register addressing mode ………….. Lies in a register and is specified by name of register.
  55. The data transmission can be ……………, ……………… or …………….. .
  56. UART stands for ……………….. .
  57. The ……………… operation starts with input scan.
  58. The CPU also called ……………… is the brain of PLC.
  59. …………….. Instruction is used to determine if a Bit is off.
  60. The process control application requires a particular …………… sequence between two operations.