Variables are used to store information to be referenced and manipulated in a computer program. ... It is helpful to think of variables as containers that hold information. Their sole purpose is to label and store data in memory. This data can then be used throughout your program.
HDLC is a synchronous Data Link layer bit-oriented protocol developed by the International Organization for Standardization (ISO).
A big question or problem in the tech field that i would like to solve is Data security.
<h3>What is Data security ?</h3>
Data security can be regarded as process of protecting data from unauthorized user as well as protection from data corruption .
I will like to solve this problem because as advances in technology, the data of individual or organization is not been total secured and this is posing so much loss to individuals.
Data security are;
- data encryption
- hashing
- tokenization
Learn more about Data security at;
brainly.com/question/17493537