Which of the following statements are/is true about grammars?

Group of answer choices

every programming language has a grammar

we can only generate a finite number of strings from a grammar

the rules in the context free grammar always only have one non-terminal in its left-handside

we can define different grammars for the same programming language

Which of the following is/are true about program paradigms?

Group of answer choices

functional programming languages can solve the same problems that imperative programming languages can

domain specific languages are imperative programming languages

side effects cannot be avoided in any programming paradigm

in functional programming, we can define a function inside a function

Which of the following is/are true about programming languages?

Group of answer choices

variables and functions are abstractions in programming languages

semantic rules should be defined for all types of expressions in a programming language

we can implement a programming language in either the compiler or the interpreter

programming languages should always be non-ambiguous