Which one among the following is a main system board of a computer
Answered 7 yr ago
bhavishya kumarCorrect Answer: Mother boardA computer runs on three major systems; hardware, software, and humanware. Hardware and software exist together to make up the actual device. The human comes into the picture to bring the whole computer into a functional existence. A Mother board main...Read more
Why does a black board appears black in colour
Answered 7 yr agoCorrect Answer: It absorbs all the coloursA black object may look black, but, technically, it may still be reflecting some light. For example, a black pigment results from a combination of several pigments that col...Read more
What is the minimum distance (in metres) required to hear an echo
Answered 7 yr agoCorrect Answer: 17The velocity of sound in dry air is approximately 343 m/s at a temperature of 25 °C. Therefore, the reflecting object must be more than 17.2m from the sound source for echo to be perceived by a person located at the source....Read more