Question
Among the followingmaterialssound travels fastest in
–Solution
Thespeedofsoundisthedistance travelled during a unit of time by a sound wave propagating through an elastic medium. In dry air at 20°C(68°F),the speedof soundis343.2 metres per second (1,126 ft/s). the speed of soundvariesfromsubstancetosubstance.Sound travels faster in liquids and non-porous solids than it does in air.
Which of the following allows user authentication through fake identity?
The accounting software ‘Tally’ was developed by :
Which protocol is used to access web pages?
Which among the following can be called an electronic check ?Â
File extensions are used in order to
The process of identifying and eliminating unnecessary or duplicate data is called:
From the following, which is not a common file permission?
Which of the following is not considered an output device?
OSI is an ISO standard for worldwide communications that defines a networking framework for implementing protocols. What does ‘O’ stand for?
Which Windows shortcut opens the Run Dialog Box?