Yes, a calculator is considered a data processor. Anything that can use or hold data is considered to be a data processor. So yes, a calculator is a data processor.
Anything that has mass is considered matter.
Leaves are matter.
Anything that has mass and takes up space is considered matter.
A radio can be classified as matter. Anything that all that takes up space is considered to be matter. No matter how small the item if it takes up space it is considered to be matter.
The process of manipulating, analyzing, and interpreting data could be considered statistics. This could also be considered to be data analysis.
No, light is not considered to be matter. It is a form of electromagnetic radiation that does not have mass or occupy space like particles of matter do.
Anything that has mass is considered matter.
Anything that has mass is considered matter.
Anything that has mass is considered matter.
Data is considered invalid when it is wrong or has changed. Data represents facts that are recorded, so any alterations made to it can make it invalid.
Is sound considered as matter? No, matter is composed of atoms and particles, and sound is a perceptible motion (vibration) of material things.