CS606 Midterm Online Quiz

0%

CS606-Midterm

1 / 50

In a transition table cells of the table contain the ________ state.

2 / 50

In PASCAL ___________ represent the inequality test.

3 / 50

Can a DFA simulate NFA?

4 / 50

In LL1() parsing algorithm _________ contains a sequence of grammar symbols.

5 / 50

LL(1) parsing is called non-predictive parsing.

6 / 50

_______ algorithm is used in DFA minimization.

7 / 50

Alternative of the backtrack in parser is Look ahead symbol in _________ .

8 / 50

____________avoid hardware stalls and interlocks.

9 / 50

_____ convert the reloadable machine code into absolute machine code by linking library and reloadable object files.

10 / 50

In Three-pass compiler ____ is used for code improvement or optimization.

11 / 50

Lexer and scanner are two different phases of compiler

12 / 50

NFA is easy to implement as compared to DFA.

13 / 50

In DFA minimization we construct one ______ for each group of states from the initial DFA.

14 / 50

Grammars with LL(1) conflicts can be made LL(1) by applying left-factoring, substitution, and left-recursion removal. Left-factoring takes care of ________conflicts.

15 / 50

In parser the two LL stand(s) for ____________ .

16 / 50

Consider the grammar

17 / 50

We use ----- to mark the bottom of the stack and also the right end of the input when considering the Stack implementation of Shift-Reduce Parsing.

18 / 50

In predictive parsing table the rows are ___________ .

19 / 50

Follow of B is ____ .

20 / 50

Lexical Analyzer generator _______ is written in Java.

21 / 50

____________avoid hardware stalls and interlocks.

22 / 50

Front-end of a two pass compiler is consists of Scanner.

23 / 50

Bottom-up parsers handle a ________ class of grammars.

24 / 50

Which of the statement is true about Regular Languages?

25 / 50

In compilation process Hierarchical analysis is also called-----------

26 / 50

Functions of Lexical analyzer are?

27 / 50

Consider the following grammar,

28 / 50

An important component of semantic analysis is _________ .

29 / 50

AST summarizes the grammatical structure with the details of derivations.

30 / 50

Ambiguity can easily be handled by Top-down Parser Select correct option:

31 / 50

Responsibility of _____ is to produce fast and compact code.

32 / 50

Functions of Lexical analyzer are?

33 / 50

Front end of two pass compiler takes________ as input.

34 / 50

______ phase which supports macro substitution and conditional compilation.

35 / 50

In predictive parsing table the rows are ___________ .

36 / 50

In multi pass compiler during the first pass it gathers information about __________ .

37 / 50

Left factoring of a grammar is done to save the parser from back tracking.

38 / 50

Recursive ____________ parsing is done for LL(1) grammar.

39 / 50

Parser takes tokens from scanner and tries to generate ______ .

40 / 50

Typical compilation means programs written in high-level languages to low-level ____________.

41 / 50

Left factoring is enough to make LL1 grammar

42 / 50

Recursive ____________ parsing is done for LL(1) grammar.

43 / 50

_______ of a two-pass compiler is consists of Instruction selection, Register allocation and Instruction scheduling.

44 / 50

Lexer and scanner are two different phases of compiler

45 / 50

In Flex specification file different sections are separated by ________ .

46 / 50

Alternative of the backtrack in parser is Look ahead symbol in ______ .

47 / 50

In Back End module of compiler, optimal register allocation uses______ .

48 / 50

LR parsing _____ a string to the start symbol by inverting productions.

49 / 50

NFA is easy to implement as compared to DFA.

50 / 50

The transition graph for an NFA that recognizes the language ( a | b)*abb will have following set of states.

Your score is

The average score is 0%

0%

Qunoot e Nazilah
Dua e Hajat
4 Qul
6 Kalma
Dua-e-Akasha
Darood Akbar
Surah Fatiha
Dua-e-Ganj Ul Arsh
Dua-e-Jamilah
Ayat-ul-Kursi