Handshaking is a ?

A. Smooth running of a program.
B. Context-free Language.
C. A programming language with self correcting codes.
D. Synchronization between two communicating devices.

A type of language in which the instruction are written in binary foam is called?

A. Machine language
B. C++
C. C
D. java

A language in which a program is written on the basic of object?

A. Machine language
B. C++
C. Object-Oriented language
D. All of these

Which one of the following is used to define the structure of the relation, deleting relations and relating schemas?

A. DML(Data Manipulation Langauge)
B. DDL(Data Definition Langauge)
C. Query
D. Relational Schema