MCQOPTIONS
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MCQOPTIONS
This section includes 335 Mcqs, each offering curated multiple-choice questions to sharpen your Power Electronics knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Technique which uses the printed characters with iron oxide ink and ink is magnetized for recognition is classified as |
| A. | magnetic ink character recognition |
| B. | colored ink magnetic recognition |
| C. | optical signal recognition |
| D. | character recognition |
| Answer» B. colored ink magnetic recognition | |
| 52. |
On bank cheques, the characters written with magnetic ink characters are included in |
| A. | printed characters |
| B. | printed lines |
| C. | colored marks |
| D. | printed marks |
| Answer» B. printed lines | |
| 53. |
When data is entered straight into the computer and is processed directly, such data is classified as |
| A. | on-line data preparation |
| B. | keyboard data entry |
| C. | off-line preparation |
| D. | database entry |
| Answer» B. keyboard data entry | |
| 54. |
A flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals is termed as |
| A. | portable displays |
| B. | micro computer display |
| C. | liquid crystal display |
| D. | magnetic display |
| Answer» D. magnetic display | |
| 55. |
Computer device which is used to displays output on a screen is |
| A. | monitor |
| B. | LCD |
| C. | LED |
| D. | projector |
| Answer» B. LCD | |
| 56. |
Dot matrix and band printers are type of |
| A. | laser printer |
| B. | impact printer |
| C. | ink jet printer |
| D. | thermal printer |
| Answer» B. impact printer | |
| 57. |
Printer type in which cylindrical platen and needles are pushed electrically is classified as |
| A. | of-band printer |
| B. | dot matrix printer |
| C. | ink matrix printer |
| D. | font printer |
| Answer» C. ink matrix printer | |
| 58. |
Device which uses cathode ray tube as medium is classified |
| A. | computer monitor |
| B. | television monitor |
| C. | magnetic unit |
| D. | laser page printer |
| Answer» C. magnetic unit | |
| 59. |
Trackball is an example of |
| A. | programming device |
| B. | pointing device |
| C. | output device |
| D. | software |
| Answer» C. output device | |
| 60. |
Device which creates machine-readable data right from the source is called |
| A. | direct entry |
| B. | smart terminal |
| C. | keyboarding |
| D. | random access |
| Answer» B. smart terminal | |
| 61. |
Line printer, a voice synthesizer and computer terminal screen are classic examples of |
| A. | logic circuit devices |
| B. | analogue circuit devices |
| C. | AND gate devices |
| D. | output devices |
| Answer» E. | |
| 62. |
Polished surface card that read by light and can store up to two million characters on it is best classified as |
| A. | laser cards |
| B. | smart cards |
| C. | coded cards |
| D. | magnetic cards |
| Answer» B. smart cards | |
| 63. |
Set of character having a particular size and style is called |
| A. | font |
| B. | character style |
| C. | character recognition |
| D. | set characteristics |
| Answer» B. character style | |
| 64. |
New technology named 'LED' is abbreviation of |
| A. | light-emitting diodes |
| B. | liquid emitting displays |
| C. | less emitting diodes |
| D. | low emission displays |
| Answer» B. liquid emitting displays | |
| 65. |
Colors used by printer to generate the rainbow are |
| A. | 3 |
| B. | 4 |
| C. | 8 |
| D. | 7 |
| Answer» B. 4 | |
| 66. |
When computer mouse moves over the table surface, the trackball is |
| A. | stationary |
| B. | difficult to move |
| C. | dragged |
| D. | moved in small stems |
| Answer» B. difficult to move | |
| 67. |
Type of printer in which the loop rotates in horizontal lines and hammer set of printer is used across the paper is termed as |
| A. | band printers |
| B. | ink jet printers |
| C. | page printers |
| D. | font printer |
| Answer» B. ink jet printers | |
| 68. |
List of choices presented in the interactive program for the user is classified as |
| A. | menu |
| B. | listing of displays |
| C. | plasma displays |
| D. | emitting displays |
| Answer» B. listing of displays | |
| 69. |
Pre printed documents used instead of plain paper that are fed to computer are classified as |
| A. | representing quality |
| B. | Pre printed stationery |
| C. | resolution |
| D. | measuring device |
| Answer» C. resolution | |
| 70. |
Keyboard and mouse are |
| A. | DC devices |
| B. | analogue devices |
| C. | truth table devices |
| D. | input devices |
| Answer» E. | |
| 71. |
In a laser printer, image to paper is transffered by |
| A. | roller |
| B. | toner |
| C. | drum |
| D. | laser |
| Answer» E. | |
| 72. |
Input device which has monitor screen covered with the flexible layer is |
| A. | touch screen |
| B. | light pen |
| C. | digitizer |
| D. | mouse |
| Answer» B. light pen | |
| 73. |
Technique which uses light beams and sensors to read marks is classified as |
| A. | optical mark reading |
| B. | optical marks |
| C. | colored marks |
| D. | mark reader |
| Answer» B. optical marks | |
| 74. |
All short lines made by hand and are written by pencil on documents are classified as |
| A. | handwritten characters |
| B. | printed characters |
| C. | marks |
| D. | printed lines |
| Answer» D. printed lines | |
| 75. |
A switch that uses mechanical movement to switch small current ON and OFF is classified as |
| A. | actuators |
| B. | transistors |
| C. | relays |
| D. | resistors |
| Answer» D. resistors | |
| 76. |
Computer output which is printed on paper and is tangible is known as |
| A. | hardware |
| B. | hard copy |
| C. | document |
| D. | result |
| Answer» C. document | |
| 77. |
The type of printer in keys don't strike the paper during printing is |
| A. | laser printer |
| B. | beam printer |
| C. | paragraph font |
| D. | impact printer |
| Answer» B. beam printer | |
| 78. |
Printer which sprays ink onto the page is |
| A. | dot-matrix |
| B. | laser |
| C. | non-impact |
| D. | inkjet |
| Answer» C. non-impact | |
| 79. |
Devices used to read to and write from central processing unit are classified as |
| A. | analogue circuit devices |
| B. | AND gate devices |
| C. | OR gate devices |
| D. | backing storage devices |
| Answer» E. | |
| 80. |
The way computer uses it's screen for text and graphics is classified as |
| A. | graphic mode |
| B. | text mode |
| C. | screen mode |
| D. | color mode |
| Answer» D. color mode | |
| 81. |
Devices that accepts data from outside computer and transfer into CPU are called |
| A. | input devices |
| B. | digital devices |
| C. | analogue devices |
| D. | truth table peripherals |
| Answer» B. digital devices | |
| 82. |
Oldest form of printing includes |
| A. | gravure |
| B. | flexography |
| C. | letterpress |
| D. | screen printing |
| Answer» D. screen printing | |
| 83. |
Very high speed laser printers are capable of printing |
| A. | 400-800 pages per minute |
| B. | 500-1000 pages per minute |
| C. | 800-3000 pages per minute |
| D. | 1000-5000 pages per minute |
| Answer» C. 800-3000 pages per minute | |
| 84. |
The 'bar reader is an example of |
| A. | printed lines |
| B. | printed marks |
| C. | marked characters |
| D. | colored characters |
| Answer» B. printed marks | |
| 85. |
Product or good with the magnetic code must identify |
| A. | country of origin |
| B. | manufacturer name |
| C. | item number for product |
| D. | all of above |
| Answer» E. | |
| 86. |
Minicomputer can control up to |
| A. | 30 stations |
| B. | 32 stations |
| C. | 34 stations |
| D. | 36 stations |
| Answer» C. 34 stations | |
| 87. |
Device which is used to read a mark-sense answer sheet of particular test is |
| A. | image scanner |
| B. | bar-code reader |
| C. | facsimile machine |
| D. | character or mark recognition device |
| Answer» E. | |
| 88. |
For a home user that has casual printing needs, the most important specification of a printer is |
| A. | cost of use |
| B. | resolution |
| C. | speed |
| D. | paper size |
| Answer» D. paper size | |
| 89. |
Pointing and drop devices includes |
| A. | mouse |
| B. | scanner |
| C. | printer |
| D. | CD-ROM |
| Answer» B. scanner | |
| 90. |
Printer which uses temperature variations to achieve different colors is |
| A. | dye-sublimation |
| B. | thermal-wax |
| C. | laser |
| D. | inkjet |
| Answer» B. thermal-wax | |
| 91. |
Total colors available for a graphical screen using 320 pixels across and 256 pixels down shows availability of |
| A. | eight colors |
| B. | sixteen colors |
| C. | two colors |
| D. | four colors |
| Answer» E. | |
| 92. |
Rate at which scanning is repeated in a CRT is called |
| A. | refresh rate |
| B. | resolution |
| C. | pitch |
| D. | bandwidth |
| Answer» B. resolution | |
| 93. |
Methods of reading marks includes |
| A. | optical mark reading |
| B. | optical printed characters |
| C. | optical line characters |
| D. | optical marked characters |
| Answer» B. optical printed characters | |
| 94. |
Detecting pencil lines in predefined boxes on paper forms is termed as |
| A. | mark sensing |
| B. | mark reader |
| C. | optical marks |
| D. | colored marks |
| Answer» B. mark reader | |
| 95. |
A card with sealed thin ROM chip and can store about 8000 characters is called |
| A. | coded card |
| B. | magnetic card |
| C. | smart card |
| D. | laser cards |
| Answer» D. laser cards | |
| 96. |
When sixteen colors are represented by 25 lines of text than each line character number is |
| A. | 80 |
| B. | 60 |
| C. | 40 |
| D. | 20 |
| Answer» B. 60 | |
| 97. |
Material on which data is stored or an input/output is classified is termed as |
| A. | mini frame medium |
| B. | micro medium |
| C. | macro medium |
| D. | medium |
| Answer» E. | |
| 98. |
Printer speed is measured in |
| A. | dpi |
| B. | ppm |
| C. | cps |
| D. | lmp |
| Answer» C. cps | |
| 99. |
Most popular input device used in computer games is called |
| A. | track ball |
| B. | touch screen |
| C. | joystick |
| D. | pointing stick |
| Answer» D. pointing stick | |
| 100. |
Desktop publishers and graphic artists get realistic quality and color for photo images, using |
| A. | dye-sublimation printer |
| B. | thermal-wax printer |
| C. | laser printer |
| D. | wang image printer |
| Answer» B. thermal-wax printer | |