Data Interface Between The Information System

The bouncing of sound waves from the interface between two media is termed as __________ .

Classify following information as primary or secondary data. In the village Nandpur the information collected from every house regarding students not attending school.

A cubical block of wood 10 cm on a side floats at the interface between oil and water with its lower surface horizontal and 4 cm below the interface. The density of oil is 0.6 gcm^(-3) . The mass of block is

Information is ____data.

Which of the following is contained on chip connected to the system board and is holding area for data instruction and information? (processed data waiting to be output to secondary storage)