Principles of Programming Languages MCQs | Page - 4

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Mr. Dubey • 53.08K Points
Coach 

Q. A program is viewed as a state machine by...........

(A) algebraic semantics.
(B) denotational semantics.
(C) operational semantics.
(D) axiomatic semantics.
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Mr. Dubey • 53.08K Points
Coach 

Q. In a compiler.....checks every character of the source text.

(A) the lexical analyzer.
(B) the syntax analyzer.
(C) the code generator.
(D) the code optimizer.
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Mr. Dubey • 53.08K Points
Coach 

Q. ..... Syntax can only represent a rule in one line, whereas in.....a terminating character, the semicolon, marks and end of a rule.

(A) ebnf, bnf
(B) bnf,ebnf
(C) all of above
(D) none of these
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Mr. Dubey • 53.08K Points
Coach 

Q. The full form of EBNF....

(A) extended backus naur form
(B) extended beginning normal form
(C) extended best normal form
(D) none of above
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Mr. Dubey • 53.08K Points
Coach 

Q. The syntax of language id define by two sets…

(A) lexical rules
(B) syntactic rules
(C) both a & b
(D) none of this
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Mr. Dubey • 53.08K Points
Coach 

Q. Syntax of ALGOL 60 was defined with

(A) simply stating some rules in english
(B) context-free grammar
(C) simple language
(D) no syntax
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Mr. Dubey • 53.08K Points
Coach 

Q. Meta-language is

(A) used to described other language
(B) simple language
(C) instruction set
(D) none of this
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Mr. Dubey • 53.08K Points
Coach 

Q. EBNF is metalanguage

(A) true
(B) false
(C) ---
(D) ---
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M

Mr. Dubey • 53.08K Points
Coach 

Q. Postcondition is

(A) predicate p required to hold after execution of statement s
(B) predicate q such that execution of s terminates & p holds upon termination
(C) either a or b
(D) both true
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Mr. Dubey • 53.08K Points
Coach 

Q. Predicate Q can be return as

(A) q=t and r;t=termination,r=truth of p
(B) r=i
(C) q=t
(D) q=r
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