True a pdf is a file format that provides a electronic image of a document and it can be viewed, printed and electronically transmitted.
Answer:
Garbage in, garbage out
Explanation:
In computer science, garbage in, garbage out is the concept that flawed, or nonsense input data produces nonsense output or garbage
Answer:
C
Explanation:
In simple words, data mining is defined as a process used to extract usable data from a larger set of any raw data. It implies analysing data patterns in large batches of data using one or more software.
Answer:
barcode reader is the correct answer