Systems Programming Multiple choice Questions and Answers-Programming Languages

1.	An example of intermediate language is ?
a.	SNOBOL
b.	PASCAL
c.	COBOL
d.	UNCOL

Answer: (d).UNCOL

2.	An assembly language is a
a.	low level programming language
b.	Middle level programming language
c.	High level programming language
d.	Internet based programming language

Answer: (a).low level programming language

3.	Which of the following are language processors?
a.	Assembler
b.	Compiler
c.	Interpreter
d.	All of the above

Answer: (d).All of the above

4.	A grammar for a programming language is a formal description of
a.	Syntax
b.	Semantics
c.	Structure
d.	Code

Answer: (c).Structure

5.	Which of the following is most general phase structured grammar?
a.	Context – Sensitive
b.	Regular
c.	Context – Free
d.	None of the above

Answer: (a).Context – Sensitive

6.	Context free language can be recognized by
a.	finite state automation
b.	linear bounded automation
c.	push down automata
d.	both b and c

Answer: (d).both b and c

7.	Which is not true about syntax and semantic parts of a computer language
a.	syntax is generally checked by the programmer
b.	semantics is the responsibility of the programmer
c.	semantics is checeked mechanically by a computer
d.	both b and c

Answer: (d).both b and c

8.	The term environment in programming language semantics is said as
a.	function that maps a name to value held there
b.	function that maps a name to a storage location
c.	the function that maps a storage location to the value held there
d.	none of the above

Answer: (b).function that maps a name to a storage location

9.	Which of the following grammars are not phase structured
a.	regular
b.	context free grammar
c.	context sensitive
d.	none of these

Answer: (d).none of these

10.	A grammar will be meaningless
a.	if terminal set and non terminal set are not disjoint
b.	if the left handside of a production has no non-terminal
c.	if the left hand side of a production has non terminal
d.	all of the above

Answer: (d).all of the above