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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.
151. |
A peripheral which is used to accept data and send it to processing unit is called its |
A. | input devices |
B. | output devices |
C. | data devices |
D. | processing device |
Answer» B. output devices | |
152. |
Measurement of how well data can be represented on the screen is classified as |
A. | resolution |
B. | measuring device |
C. | representing quality |
D. | presentation of data |
Answer» B. measuring device | |
153. |
Transferring of data onto some other useful medium such as printer is called |
A. | screen dump |
B. | dump cursor |
C. | screenshot |
D. | screensaver |
Answer» C. screenshot | |
154. |
Display technology that uses gas between two glass sheets is classified as |
A. | less emitting diodes |
B. | low emission displays |
C. | light-emitting diodes |
D. | plasma displays |
Answer» E. | |
155. |
Drum Printers are said to be |
A. | Character printers |
B. | Code printers |
C. | Ribbon printers |
D. | Line printers |
Answer» E. | |
156. |
Fastest impact printer is |
A. | dot matrix printer |
B. | line printer |
C. | daisy wheel printer |
D. | drum printer |
Answer» C. daisy wheel printer | |
157. |
Computer system which uses drum plotter are |
A. | mainframe computer |
B. | mini computer |
C. | Both a and b |
D. | super computer |
Answer» D. super computer | |
158. |
Movement and selection of pen in computer flatbed plotter is controlled by |
A. | microprocessor |
B. | CPU |
C. | software |
D. | operating system |
Answer» B. CPU | |
159. |
Computer chain printer consist of a chain of |
A. | lines |
B. | words |
C. | characters |
D. | pages |
Answer» D. pages | |
160. |
Marker on the computer screen which is used to show current position of user is called |
A. | colored marker |
B. | cursor |
C. | position checker |
D. | screen contents |
Answer» C. position checker | |
161. |
Input devices includes |
A. | mouse, keyboard, monitor |
B. | mouse, keyboard, printer |
C. | mouse, keyboard, plotter |
D. | mouse, keyboard, scanner |
Answer» E. | |
162. |
Large rectangular microfilm sheet that typically consists 30 to 300 pages is called |
A. | microfiche |
B. | mega fiche |
C. | input medium |
D. | plotting medium |
Answer» B. mega fiche | |
163. |
Type of plotter in which the paper is held stationary and paper is held by underneath section is classified as |
A. | drum plotter |
B. | flat bed plotter |
C. | desk jet plotter |
D. | ink jet plotter |
Answer» C. desk jet plotter | |
164. |
Set of identical forms or documents is called |
A. | preprinted stationery |
B. | output stationery |
C. | analogue stationery |
D. | digital stationery |
Answer» B. output stationery | |
165. |
Characters and images are formed as a pattern of dots in type of printers known to be |
A. | Dot-Matrix printer |
B. | Flatbed printer |
C. | Inkjet printer |
D. | Drum printer |
Answer» B. Flatbed printer | |
166. |
Types of digital plotter includes |
A. | flat bed plotter |
B. | drum plotter |
C. | ink-jet plotter |
D. | both a and b |
Answer» E. | |
167. |
On a monochrome screen, each pixel needs |
A. | one bit of storage |
B. | five bits of storage |
C. | eight bits of storage |
D. | ten bits of storage |
Answer» B. five bits of storage | |
168. |
Dot-Matrix printers are considered to be slow printers with speed ranging between |
A. | 10-400 characters per second |
B. | 20-500 characters per second |
C. | 30-600 characters per second |
D. | 40-800 characters per second |
Answer» D. 40-800 characters per second | |
169. |
Small drops of ink is sprayed on paper, to print characters, in type of printers known to be |
A. | Drum printer |
B. | Dot-Matrix printer |
C. | Flatbed printer |
D. | Inkjet printer |
Answer» E. | |
170. |
Laser printer mechanism is consists of |
A. | laser light |
B. | roller |
C. | toner |
D. | all of these |
Answer» E. | |
171. |
In computer dot matrix, daisy wheel, ink jet and laser are types of |
A. | scanner |
B. | plotter |
C. | printer |
D. | typewriter |
Answer» D. typewriter | |
172. |
Device which is used to produce hard copy of computer output is known as |
A. | typewriter |
B. | printer |
C. | scanner |
D. | plotter |
Answer» C. scanner | |
173. |
Pins that are present in a computer dot matrix printer are |
A. | 9 or 24 |
B. | 20 or 30 |
C. | 8 or 13 |
D. | 5 or 10 |
Answer» B. 20 or 30 | |
174. |
Computer line printer can prints lines at the rate of |
A. | 2000 lines per minute |
B. | 1000 lines per minute |
C. | 500 lines per minute |
D. | 3000 lines per minute |
Answer» B. 1000 lines per minute | |
175. |
Laser and ink jet printer are categorized as |
A. | high speed printers |
B. | non impact printers |
C. | Both a and b |
D. | impact printers |
Answer» D. impact printers | |
176. |
Computer line printer is faster than |
A. | daisy wheel printer |
B. | dot matrix printer |
C. | character printer |
D. | chain printer |
Answer» D. chain printer | |
177. |
Characters that are printed by character printer at a single default time is |
A. | 1 character |
B. | 10 characters |
C. | 50 characters |
D. | 6 characters |
Answer» B. 10 characters | |
178. |
Main difference between different types of computer printer depends upon |
A. | quality output |
B. | ability to print graphics |
C. | printing speed |
D. | all of these |
Answer» E. | |
179. |
Buttons present on the most conventional kind of mouse are |
A. | 2 |
B. | 3 |
C. | 4 |
D. | 5 |
Answer» B. 3 | |
180. |
Types of plotter are |
A. | 2 |
B. | 3 |
C. | 4 |
D. | 5 |
Answer» B. 3 | |
181. |
Computer device which is similar to mouse is |
A. | joystick |
B. | keyboard |
C. | trackball |
D. | barcode reader |
Answer» D. barcode reader | |
182. |
Monitor which is similar to the LCD monitor, but has a phosphorescent film between the layers, is |
A. | plasma display |
B. | electro luminescent display (ELD) |
C. | paper-white display |
D. | thin-film transistor |
Answer» C. paper-white display | |
183. |
Computer mouse is used for |
A. | drawing |
B. | creating lines |
C. | selecting options |
D. | all of these |
Answer» E. | |
184. |
Computer mouse is an essential part of |
A. | software |
B. | hardware |
C. | CPU |
D. | motherboard |
Answer» C. CPU | |
185. |
Computer mouse is also known as |
A. | clicking device |
B. | moving device |
C. | picking device |
D. | pointing device |
Answer» E. | |
186. |
Latest PC keyboards which use a circuit that senses the movement by change in its capacitance are called |
A. | capacitance keyboard |
B. | mechanical keyboard |
C. | QWERTY keyboard |
D. | dvorak keyboards |
Answer» B. mechanical keyboard | |
187. |
The most popular keyboard used today is the ______ key with a traditional QWERTY layout. |
A. | 101 |
B. | 102 |
C. | 103 |
D. | 104 |
Answer» B. 102 | |
188. |
Holding the mouse button down while moving an object or text is known as ………… |
A. | moving |
B. | dragging |
C. | dropping |
D. | highlighting |
Answer» C. dropping | |
189. |
Keyboard devices are typically classified as _________________ keyboards and special purpose keyboards. |
A. | Secondary |
B. | Primary |
C. | User-Defined |
D. | General-Purpose |
Answer» E. | |
190. |
Computer mouse get its name because |
A. | it squeaks when moved |
B. | it's cable looks like a tail |
C. | it has ears |
D. | it has eyes |
Answer» C. it has ears | |
191. |
A piece of hardware that is used to enter information into the computer by using keys ………….. |
A. | keyboard |
B. | monitor |
C. | hard disk |
D. | icon |
Answer» B. monitor | |
192. |
Another popular _______________ arrangement, called Dvorak system, was designed for easy learning and use. |
A. | Key |
B. | Line |
C. | Group |
D. | Numeric |
Answer» B. Line | |
193. |
Which of the following peripheral devices displays information to a user ? |
A. | Monitor |
B. | Keyboard |
C. | Secondary storage devices |
D. | Secondary storage media |
Answer» B. Keyboard | |
194. |
________________ device allow input into the computer system by pressing a set of keys mounted on a board, connected to the computer system. |
A. | Mouse |
B. | Keyboard |
C. | Pen |
D. | Screen |
Answer» C. Pen | |
195. |
The I/O devices that provide a means of communication between the computer and the outside world are known as________________. |
A. | Printers |
B. | Peripheral Devices |
C. | Coaxial Cables |
D. | None of the above |
Answer» C. Coaxial Cables | |
196. |
_____________ are used to transfer user data and instructions to the computer. |
A. | Output devices |
B. | Processors |
C. | Input devices |
D. | Either a or c |
Answer» D. Either a or c | |
197. |
You must service the laser printer in your office. Which part of the printer should you avoid touching because it is hot? |
A. | fuser |
B. | printer head |
C. | primary corona |
D. | high-voltage power supply |
Answer» B. printer head | |
198. |
RTS stands for |
A. | ready to start |
B. | ready to switch |
C. | request to send |
D. | request to scan |
Answer» D. request to scan | |
199. |
You can add peripheral devices to your computer by inserting special-purpose circuit boards into these slots: |
A. | Bay slots |
B. | Port slots |
C. | Connector slots |
D. | Expansion slots |
Answer» E. | |
200. |
What is a common language that computers use to talk with one another on a network ? |
A. | client |
B. | adapter |
C. | protocol |
D. | operating systems |
Answer» D. operating systems | |