459 MCQ Questions in english

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459 MCQ Questions in english हिन्दी

291. There are mesons in

A. Gamma rays

B. Cosmic rays

C. Laser beam

D. X-rays

290. Which radioactive contaminant recently caught the attention of the public because it was found in construction materials?

A. Radium

B. Thorium

C. Radan

D. Plutonium

289. Using the nautical mile as a unit of measurement,

A. Road mile

B. Navigation

C. Measuring the boundaries of a nation

D. Astronomy

288. Which of the following is a unit of speed known as a knot?

A. Light waves

B. Ship

C. Aeroplane

D. Sound waves

287. Which of the following is utilised in nuclear reactors as a moderator?

A. Ordinary water

B. Thorium

C. Graphite

D. Radium

286. Which of the following is a radioactive element's positively charged particle?

A. Cathode ray

B. Gamma ray

C. Alpha ray

D. Beta ray

285. Atoms are made up of:

A. Protons only

B. Electrons and Nuclei

C. Electrons and protons

D. Electrons only

284. The unit for bars is

A. Heat

B. Temperature

C. Current

D. Atmospheric pressure

283. Which of the following gases undergoes decrease during the process?

A. Carbon

B. Oxygen

C. Helium

D. Hydrogen

282. Kilowatt is a measurement unit for:

A. Power

B. Work

C. Current

D. Electricity

281. Electric current can be detected using:

A. Ammeter

B. Commutator

C. Anemometer

D. Voltmeter

280. Using a chronometer, you can:

A. Water waves

B. Colour contrast

C. Sound waves

D. Time

279. A light year is a unit of

A. Stellar distances

B. Speed of rockets

C. Speed of aeroplanes

D. Speed of light

278. Accurate measurements of very brief time periods are made via

A. Pulsars

B. Atomic clocks

C. Quartz clocks

D. White dwarfs

277. How many miles are in one kilometre?

A. 1.6

B. 0.84

C. 0.62

D. 0.5

276. Kilohertz is a frequency measurement unit.

A. Electromagnetic radio wave frequencies

B. Voltage

C. Electric resistance

D. Power used by a current of one ampere

275. Equating one horse power to

A. 748 watts

B. 756 watts

C. 736 watts

D. 746 watts

274. What exactly does EPROM stand for?

A. Electric Programmable Read Only Memory (B) Erasable Programmable Read Only Memory

B. Erasable Programmable Read Only Memory

C. Evaluable Philotic Random Optic Memory

D. Every Person Requires One Mind

273. Which of the following is not an Internet protocol?

A. HTTP

B. FTP

C. STP

D. IP

272. Google (www.google.com) is a type of:

A. Search Engine

B. Number in Math

C. Directory of images

D. Chat service on the web

271. How does one get a computer virus?

A. Sending e-mail messages

B. Using a laptop during the winter

C. Opening e-mail attachments

D. Shopping on-line

270. What do you call a network computer that requests files from another computer?

A. A client

B. A host

C. A router

D. A web server

269. FORMAT Command:

A. Format should be left to the engineers to use

B. Formats a disk to receive files

C. Formats the CPU

D. Formats floppy drives only

268. What command should I use to recreate the disc tracks?

A. Ctrl Disk

B. ATTRIB

C. F DISK

D. FORMAT

267. Which of the following memory devices has the lowest cost per bit?

A. Magnetic Tapes

B. Compact Disk

C. Semiconductor Memories

D. Magnetic Disk

266. Is it possible to store a single binary bit in a computer?

A. Register

B. Conductor

C. Capacitor

D. Flip-Flop

265. The default extension for Excel files is:

A. .wki

B. .123

C. .xls

D. .xlw

264. Which of the following is the MS-Office word processor?

A. Word

B. Word Prefect

C. Word Star

D. WordPad

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