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.
| 201. |
Line printers that are capable of printing one line at a time are known to be |
| A. | Inkjet printers |
| B. | Dot-Matrix printer |
| C. | Drum printers |
| D. | Laser printers |
| Answer» D. Laser printers | |
| 202. |
Inkjet printers speed usually ranges between |
| A. | 20-100 characters per second |
| B. | 30-200 characters per second |
| C. | 40-300 characters per second |
| D. | 50-400 characters per second |
| Answer» D. 50-400 characters per second | |
| 203. |
A very small area of the screen is called |
| A. | high resolution |
| B. | resolution |
| C. | medium resolution |
| D. | pixel |
| Answer» E. | |
| 204. |
Types of motor that can be used in any computer-controlled system are |
| A. | stepper motor |
| B. | continuous motor |
| C. | stationary motor |
| D. | both a and b |
| Answer» E. | |
| 205. |
Image quality or print resolution of a printer is measured in |
| A. | dpi |
| B. | ppm |
| C. | cps |
| D. | lmp |
| Answer» B. ppm | |
| 206. |
Teletypewriter terminal is an example of |
| A. | input devices |
| B. | output devices |
| C. | input/output devices |
| D. | storage devices |
| Answer» D. storage devices | |
| 207. |
When data is prepared and processed with the help of device that is not connected to computer it is said to be |
| A. | off-line preparation |
| B. | on-line data preparation |
| C. | keyboard data entry |
| D. | data entry software |
| Answer» B. on-line data preparation | |
| 208. |
Key which is used in combination with another key to perform a specific task is |
| A. | function |
| B. | space bar |
| C. | arrow |
| D. | control |
| Answer» E. | |
| 209. |
A bar-code reader is |
| A. | processing device |
| B. | storage device |
| C. | input device |
| D. | output device |
| Answer» D. output device | |
| 210. |
Device which contains speakers and a microphone on a headband is |
| A. | speaker |
| B. | microphone |
| C. | headset |
| D. | sound card |
| Answer» D. sound card | |
| 211. |
In computer, flatbed and drum are two types of |
| A. | printer |
| B. | plotter |
| C. | projector |
| D. | scanner |
| Answer» C. projector | |
| 212. |
Total colors available for a graphical screen using 256 pixels down and 640 pixels across shows availability of |
| A. | two colors |
| B. | four colors |
| C. | eight colors |
| D. | sixteen colors |
| Answer» E. | |
| 213. |
Device used to print graphical outputs such as graphs and designs by the computer on a paper is called |
| A. | printer |
| B. | plotter |
| C. | output processing unit |
| D. | input processing unit |
| Answer» C. output processing unit | |
| 214. |
Printing technique in which the characters are produced using metals pieces is called |
| A. | matrix font |
| B. | solid fonts |
| C. | page font |
| D. | paragraph font |
| Answer» C. page font | |
| 215. |
In computer, LPT stands for |
| A. | line printer |
| B. | laser printer |
| C. | Low Print Typewriter |
| D. | Line Per Text |
| Answer» B. laser printer | |
| 216. |
Viewing unit which have high-quality display and accepts input signal for a give defined display is termed as |
| A. | monitor |
| B. | cursor |
| C. | pixel |
| D. | colored cursor |
| Answer» B. cursor | |
| 217. |
Printer which uses dry ink powder is |
| A. | daisy wheel |
| B. | line |
| C. | laser |
| D. | thermal |
| Answer» D. thermal | |
| 218. |
Output device of a computer which is used by applications that include drawing graphics, making maps, plotting civil engineering drawings and machine components is |
| A. | printer |
| B. | display device |
| C. | plotter |
| D. | monitor |
| Answer» D. monitor | |
| 219. |
Printing device which produce an output composed of a series of data is |
| A. | wire matrix printer |
| B. | band printer |
| C. | wang image printer |
| D. | Both a and c |
| Answer» E. | |
| 220. |
Printer in which output is printed by the use of light beam and particles of ink infused on paper is best classified as |
| A. | character printer |
| B. | line printers |
| C. | laser printer |
| D. | beam printer |
| Answer» D. beam printer | |
| 221. |
In computer, plotter draws pictures on paper by using |
| A. | brush |
| B. | pencil |
| C. | pen |
| D. | highlighter |
| Answer» D. highlighter | |
| 222. |
Speed of dot-matrix printers is measured in |
| A. | dpi |
| B. | cps |
| C. | ppm |
| D. | lmp |
| Answer» D. lmp | |
| 223. |
An organization that needs to produce hundreds or thousands of pages a day, the …………. printer is the most logical choice. |
| A. | dot-matrix |
| B. | laser |
| C. | ink jet |
| D. | None of these |
| Answer» C. ink jet | |
| 224. |
Sensor used in a computer system for detection of mouse operation is |
| A. | optical sensor |
| B. | rollers on the bottom of mouse |
| C. | Both a and b |
| D. | sensor |
| Answer» D. sensor | |
| 225. |
Print head of inkjet printers contains up to |
| A. | 54 tiny nozzles |
| B. | 64 tiny nozzles |
| C. | 74 tiny nozzles |
| D. | 84 tiny nozzles |
| Answer» C. 74 tiny nozzles | |
| 226. |
What command is used to reset a MODEM ? |
| A. | ATR |
| B. | ATZ |
| C. | DTR |
| D. | DCE |
| Answer» C. DTR | |
| 227. |
Set of parallel printed lines with different thickness of black and white characters is called |
| A. | white code |
| B. | magnetic code |
| C. | colored code |
| D. | bar code |
| Answer» E. | |
| 228. |
The 'credit cards' and 'bank cards' are examples of |
| A. | inked stripe |
| B. | coded stripe |
| C. | magnetic stripe |
| D. | tagged stripe |
| Answer» D. tagged stripe | |
| 229. |
Technique used in character recognition includes |
| A. | optical character recognition |
| B. | magnetic ink character recognition |
| C. | optical mark reading |
| D. | both a and b |
| Answer» E. | |
| 230. |
Device which may also called screen or monitor, is |
| A. | printer |
| B. | scanner |
| C. | hard disk |
| D. | display |
| Answer» E. | |
| 231. |
The 'visual record cards' are classic example of |
| A. | magnetic stripe |
| B. | tagged stripe |
| C. | inked stripe |
| D. | coded stripe |
| Answer» B. tagged stripe | |
| 232. |
Output device used to produce high quality graphics in a variety of colors is called |
| A. | plotter |
| B. | printer |
| C. | typewriter |
| D. | scanner |
| Answer» B. printer | |
| 233. |
American computer company which is known as big blue is |
| A. | microsoft |
| B. | compaq corp |
| C. | IBM |
| D. | Tandy Sevenson |
| Answer» D. Tandy Sevenson | |
| 234. |
Tab key of keyboard is used to |
| A. | position a cursor |
| B. | indent a paragraph |
| C. | select option |
| D. | change mode |
| Answer» C. select option | |
| 235. |
Which of the following is non impact printer? |
| A. | laser printer |
| B. | ink jet printer |
| C. | thermal printer |
| D. | all of these |
| Answer» E. | |
| 236. |
Printers that are not capable of printing any shape, size or graphs are known to be |
| A. | Laser printers |
| B. | Inkjet printers |
| C. | Chain/Band printers |
| D. | Dot-matrix printers |
| Answer» D. Dot-matrix printers | |
| 237. |
Input device which is user-programmable is |
| A. | dumb terminal |
| B. | smart terminal |
| C. | VDT |
| D. | intelligent terminal |
| Answer» E. | |
| 238. |
Devices which are used to receive data from central processing unit are classified as |
| A. | output/input devices |
| B. | digital devices |
| C. | signaled devices |
| D. | output devices |
| Answer» E. | |
| 239. |
Typical speed of drum printers ranges between |
| A. | 200-1000 lines per minute |
| B. | 300-2000 lines per minute |
| C. | 400-3000 lines per minute |
| D. | 500-4000 lines per minute |
| Answer» C. 400-3000 lines per minute | |
| 240. |
Mechanical or electronic conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo of a document, a scene-photo or from subtitle text superimposed on an image is called |
| A. | optical signal recognition |
| B. | optical character recognition |
| C. | optical colored recognition |
| D. | optical line recognition |
| Answer» C. optical colored recognition | |
| 241. |
Computer software which is required to match the sound uttered by user with a vocabulary of sound signals stored in a computer is |
| A. | speech-recognition |
| B. | solaris |
| C. | NetWare |
| D. | sound tracker |
| Answer» B. solaris | |
| 242. |
Printer which uses carbon forms is |
| A. | daisy wheel |
| B. | dot matrix |
| C. | laser |
| D. | thimble |
| Answer» D. thimble | |
| 243. |
Computer microphone converts audio signals into the |
| A. | electrical waves |
| B. | electromagnetic waves |
| C. | digital signals |
| D. | analog signals |
| Answer» B. electromagnetic waves | |
| 244. |
Device which reads the data directly from the data entry form is classified as |
| A. | document reader |
| B. | data reader |
| C. | information reader |
| D. | transforming reader |
| Answer» B. data reader | |
| 245. |
Process of typing the data through any input medium is classified as |
| A. | data preparation |
| B. | data typing |
| C. | data discussion |
| D. | data transmission |
| Answer» B. data typing | |
| 246. |
Device which is used to convert spoken words into digital signals is termed as |
| A. | speaker |
| B. | microphone |
| C. | head phone |
| D. | voice-recognition device |
| Answer» C. head phone | |
| 247. |
A tag with two or three parts, have punched holes and can be separated with perforated lines is called |
| A. | coded cardboard |
| B. | Kimball tag |
| C. | tagged card |
| D. | decoded material |
| Answer» C. tagged card | |
| 248. |
On the color screen, sixteen colors are stored in |
| A. | two bits |
| B. | three bits |
| C. | four bits |
| D. | five bits |
| Answer» D. five bits | |
| 249. |
Device which can detect the absence or presence of light is called |
| A. | light pen |
| B. | hand pencil |
| C. | digital pen |
| D. | mechanical pen |
| Answer» B. hand pencil | |
| 250. |
Magnetic tape unit and magnetic disc unit are classic example of |
| A. | storage devices |
| B. | backing storage devices |
| C. | on-line devices |
| D. | off-line devices |
| Answer» C. on-line devices | |