For reproducing sound, a CD (Compact Disc) audio player uses a
1) quartz crystal
2) titanium needle
3) laser beam
4) barium titanium ceramic

1 Answer

Answer :

3) laser beam

Related questions

Description : To read a CD-ROM disc, you need a (1) laser beam (2) magnetic needle (3) sound card (4) graphics card

Last Answer : laser beam

Description : When a CD (Compact Disc used in audio and Video system) is seen in sunlight, rainbow like colours are seen. This can be explained on the basis of phenomenon of 1) reflection and diffraction 2) reflection and transmission 3) diffraction and transmission 4) refraction, diffraction and transmission

Last Answer : 4) refraction, diffraction and transmission

Description : A compact disc (CD) is a data storage system of the type : (1) Magnetic (2) Optical (3) Electrical (4) Electromechanical

Last Answer : Optical

Description : ‘The Compact Disc (CD) is a digital storage device. -Technology

Last Answer : TrueBecause CD is used to store audio, video, graphical and textual data.

Description : A genuinely new product, as the compact disc player once was, offers A)lower prices than existing products. B)at least two new product features. C)innovative benefits to consumers. D)better value than existing products.

Last Answer : C)innovative benefits to consumers.

Description : Storage media such as a CD read and write information using -- 1) Magnetic strips 2) Magnetic dots 3) A laser beam of red light 4) All of these

Last Answer : 4) All of these

Description : Storage media such as a CD read and write information using -- 1 Magnetic strips 2 Magnetic dots 3 A laser beam of red light 4 All of these

Last Answer : 4 All of these

Description : Which of the following sensor uses a laser beam to determine the distance to an object? A : Sonar B : Radar C : Infrared D : Laser Rangefinder

Last Answer : D : Laser Rangefinder

Description : Who invented the compact disc ?

Last Answer : The compact disc was invented by James T. Russell.

Description : Which is more efficient: ceramic or quartz heater?

Last Answer : A ceramic heater is going to be your best bet. They are small, use little energy, and actually have a much more powerful output of heat than most heaters.

Description : What is the name of the white clay which has been used for thousands of years in the fabrication of ceramic bodies? Is it: w) Talc x) Kaolin y) Feldspar z) Quartz

Last Answer : ANSWER: X -- KAOLIN

Description : Which technology is used in Compact disks? A) Mechanical B) Electrical C) Electro Magnetic D) Laser

Last Answer : Answer : D

Description : Which technology is used in Compact disks ? 1) Mechanical 2) Electrical 3) Electro Magnetic 4) Laser

Last Answer : 4) Laser

Description : Which one of the following statements is NOT correct? [IAS 2003] (a) Black cotton soil of north-west India was formed by the weathering of basaltic lava rocks (b) Sedimentary rocks are distinguished ... feldspar and mica in it (d) A metamorphic rock is softer and less compact than its original type

Last Answer : Ans: (d)

Description : What's the best way to clean the CD/DVD player & disc?

Last Answer : You get a microfiber cloth to clean the disk, and a lens disk like this. The lens disk has little bristles that sweep dirt off the player. You can also (not officially recommended) simply wash the ... and soap, dry with a tissue (non-lotion/aloe/whatever) and then blow the tissue particles off.

Description : What would cause an error 3 and error 6 message(dirty or damaged disc) on a car's Clarion CD player?

Last Answer : I have the same message in my Toyotas CD player. i believe there is a stuck CD inside the player. it does not work and gives me the Errr3 message. if you find out, pls let me know. john

Description : Help with problems with burning an audio CD with Windows Media Player?

Last Answer : Try using http://www.dvdvideosoft.com/products/dvd/Free-Audio-CD-Burner.htm and see if you have the same issue.

Description : If you buy a combination blu-ray player DVD/CD R/W for your computer, does it have separate laser units for these purposes?

Last Answer : answer:From what I can Google, it appears they have three lasers. CD infrared 780 nm DVD red 660 nm Blu Ray violet 405 nm For example: Dissection of a Blu-ray Reader Assembly The laser diode can ... next to the Infrared 780 nm diode, and both are bonded to the 405 nm Gallium Nitride violet diode.

Description : CD-ROM stands for A) Compactable Read Only Memory B) Compact Data Read Only Memory C) Compactable Disk Read Only Memory D) Compact Disk Read Only Memory

Last Answer : Answer : D

Description : One of the popular mass storage device is CD ROM. What does CD ROM stand for? A) Compactable Read Only Memory B) Compact Data Read Only Memory C) Compactable Disk Read Only Memory D) Compact Disk Read Only Memory

Last Answer : Answer : D

Description : Compact Disk (CD) is portable disk having data storage capacity between____: a) 650 - 700 MB b) 700 - 800 MB c) 800 - 900 MB d) None of These

Last Answer : a) 650 - 700 MB

Description : What kind of rock is crystal quartz?

Last Answer : It is an igneous rock.

Description : What is a clear type of quartz Rock Crystal?

Last Answer : The rock crystal

Description : Quartz crystal in quartz watches work on the principle called? A. Photoelectric effect B. Stark effect C. Thermionic effect D. Piezo-electric effect (Answer) E. None of these

Last Answer : D. Piezo-electric effect (Answer)

Description : Which of the following is used as base material in Selective laser sintering (SLS)? a.Photopolymer b.Thermoplastics, Metal powders c.Titanium alloys d.Various materials

Last Answer : b.Thermoplastics, Metal powders

Description : The arranging of data in a logical sequence is called A) Sorting B) Classifying C) Reproducing D) Summarizing

Last Answer : Answer : A

Description : The process of arranging data in logical sequence is called (1) Classifying (2) Reproducing (3) Summarizing (4) Sorting

Last Answer : Sorting

Description : How much longer will music be available on Compact Disc?

Last Answer : answer:Following the trend of history, there will always be a sucessor. Records gave way to (smaller records) to 8 tracks, to cassette tapes, to compact discs. Sony tried to release a "miniDisc" ... a certain point, record companies would stop producing cds. I'd say by 2015 cds will be obsolete.

Description : The ……… offers more than five times the storage capacity of traditional DVDs. (a) Compact disc (b) Pen drive (c) Blu_ray disc (d) Ext_DVD -Technology

Last Answer : c) Blu-ray disc can hold almost 5 times more data than a single layer DVD.

Description : ……… stands for Compact Disc Read Only Memory. -Technology

Last Answer : CD-ROMstands for Compact Disc Read Only Memory.

Description : What advances of technology and increased availability for compact disc players .?

Last Answer : the supply curve for Blu-ray Players has shifted right

Description : A musical compact disc is an example of?

Last Answer : (Apex) An audio text.

Description : Data in compact disc is stored in form of A. analogue signal B. digital signal C. noise D. colors

Last Answer : digital signal

Description : If RCA Records saw all compact disc customers as pretty much alike and thus offered only one marketing mix, it would be using the _________ approach: A)heterogeneous B)undifferentiated C)segmented D)differentiated E)concentrated

Last Answer : B)undifferentiated

Description : Which of the following is used as base material in Electron Beam Melting (EBM) process? a.Titanium alloys b.Photopolymer c.Various materials d.Paper

Last Answer : a.Titanium alloys

Description : The brain of a computer is 1) CPU 2) CD 3) Floppy disc 4) Megabyte

Last Answer : 1) CPU

Description : A non-erasable disk that stores digitized audio information is _____ a) CD b) CD-ROM c) DVD-R d) DVD-RW

Last Answer : Answer: a Explanation: A compact disk stores digitized audio information. The standard system uses 12 cm disks and can record more than 60 minutes of uninterrupted playing game

Description : In laser printers, printing is achieved by deflecting laser beam on to __________ surface of a drum. A. Magnetic B. Electric C. Photosensitive D. None of the Above

Last Answer : C. Photosensitive

Description : Describe in brief with neat sketch construction of tunnel with needle beam method

Last Answer : In this method stout timber beam known as needle beam is used which forms the main temporary support during the excavation. Construction steps: (a) First of all a small drift of about 1 1 m is ... . (d) After excavation, the lining is provided to the tunnel section and mucking is done. 

Description : Is it possible to hook up a car cd player to play dolby surround sound CD's?

Last Answer : You can play dolby surround CDs if you have a surround-sound capable receiver. It should take no work on your end.

Description : Which portable CD player gives the absolute best sound fidelityI need Something that would be great for a jazz lover like my uncle.?

Last Answer : In so far as you can call any portable cd player an audiophile item the Akai PD-X73 or Optimus CD3400 gets the best reviews.However it's not made any longer.It's the only portable Stereophile ever liked.

Description : Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is (A) Ni (B) V2O5 (C) Fe (D) Aluminium triethyl combined with titanium tetrachloride

Last Answer : (D) Aluminium triethyl combined with titanium tetrachloride

Description : CD-ROM stands for a. Compactable Read Only Memory b. Compact Data Read Only Memory c. Compactable Disk Read Only Memory d. Compact Disk Read Only Memory

Last Answer : Compact Disk Read Only Memory

Description : CD-ROM stand for a) Compactable Read Only Memory b) Compact Data Read Only Memory c) Compactable Disk Read Only Memory d) Compact Disk Read Only Memory

Last Answer : d) Compact Disk Read Only Memory

Description : CD-ROM stands for a. Compactable Read Only Memory b. Compact Data Read Only Memory c. Compactable Disk Read Only Memory d. Compact Disk Read Only Memory

Last Answer : d. Compact Disk Read Only Memory

Description : CD ROM stands for: (A) Computer Disk Read Only Memory (B) Compact Disk Read Over Memory (C) Compact Disk Read Only Memory (D) Computer Disk Read Over Memory

Last Answer : (C) Compact Disk Read Only Memory

Description : Is there software available to burn audio/mp3 files to a DVD disc without gaps?

Last Answer : Your best bet might be to edit the audio in a program like garage band or Anvil. Bring all the pieces into it, cut the gaps as you like, publish the result onto optical disk.

Description : An output device that uses words or messages recorded on a magnetic medium to produce audio response is A) Magnetic tape B) Voice response unit C) Voice recognition unit D) Voice band

Last Answer : Answer : B

Description : Should people have to prove they're qualified to raise kids before reproducing?

Last Answer : I didn't read all your details but I do agree with you people should prove they are at least somewhat capable of raising children before they have them. Because we all know making the kids is the fun ... to have children and the older I get the more happy I become knowing we made the right choice.

Description : does deadheading calibrachoa keep plant reproducing

Last Answer : Need Answer