compilers compilers

 Q1>A translator converts _____________into______________.

 Source program to object or target program

 Q2>The time of conversion from source program into object program is called ________time.  a)runtime  b)boot time  c)fresh time  d)compile time

 compile time

 Q3>The program execution is done in compiler in_________________.

 Runtime

Q4>_______________________+______ ______________=compilation.  a)Analysis +Synthesis  b)Analysis +Compile  c)Compile +Synthesis  d)Analysis +Execute

 Analysis and Synthesis

 Q5>The analysis phase is often called the _______________ of a compiler.

 Front end

 Q6>What are the 3 phases of analysis phase?

 a)Lexical Analysis  b)Synthesis Analysis  c)Semantic Analysis

 Q7>Syntax of any programming language is specified in terms of units called __________________.

 Tokens or terminals

Q8>Syntax Analyzer is otherwise known as _____________.  a)Scanner  b)Parser  c)Lexeme  d) Sub scripter

 Parser

 Q9>What are the work of a semantic analyzer?

 a)Type Checking  b)Type Conversions

 Q10>The synthesis phase is the ____________of a program.

 Back end

 Q11>What are the stages of synthesis of target program?

 Memory allocation  Code generation and optimization

 Q12>Code optimization is done for-

 faster and shorter code

 Q13>_____________ is a data structure that is used by the compiler to hold the information about source program constructs.

 Symbol table

 Q14>What are the role of a compiler?

 -Lexical Analyzer  -Syntactic Analyzer  -Semantic Analyzer  -Code generator  -Code optimizer  -Error reporter

Q17>Code generation and optimization is not a part of synthesis phase  a)True  b)False

 false

Q18>The first compiler was written by _____________ in ________for A-0 system language

 Grace Hopper,1952

 Q19>Who invented first complete compiler?

 The FORTRAN team led by John W.Backus at IBM in

 Q20>___________ was one of the early commercial computers that used vacuum tubes.

 Z22

Q21>The first known demonstrated cross platform high level language was_____________.  a)FORTRAN  b)COBOL  c)BASIC  d)ALGOL

 COBOL

 Q22>A compiler that can be written in the programming language it compiles-

 Self hosted

 Q23>The first self hosting compiler was written for LISP by_______________and ______________ in

 Tim Hart and Mike Levin

 Q24>Structure of a compiler depends on 3 factors. What are they?

 Nature of the source language  Machine architecture and configuration  Aims of compiler

 Q25>Different types of compiler structure are-

 Single pass compiler  Multipass compiler  Conventional compiler  Compilers for permissive language  Incremental compiler

Q26>Strike the one out which doesn’t match for single pass compilers.  -All the stages executed in single flow  -Memory requirement is small  -Code generated is inefficient  -Faster execution

 memory requirement is small

 Q27>Pascal and FORTRAN are example of ______________compiler.

 single pass

 Q28>____________is an example of multipass compiler.

 java

Q29>A clear cut distinction between analysis and synthesis phase is brought is _________________  a)conventional  b)Incremental  c)Singlepass  d)Multipass

 conventional

 Q30>C is a _________________ type of compilers.

 conventional

 Q31>___________________is a language that allows declarations to be placed anywhere in a program.

 Permissive language

 Q32>Incremental compilers are invented by ______________ and __________________ in 1973 that combine the main advantages of compilers and interpreters.

 Berthaud and Griffiths

Q33>IBM visual age c++ compiler is a ______________ compiler.

 Incremental

Q34>IBM/360 FORTRAN H compiler is _______________ compilers.

 Optimization

Q35>A concept of developing a compiler for a language by using subsets of the same language is called_______________.  a)Bootstrapping  b)Cross-compilation  c)Incremental Compilation  d)None of the above

 Boot strapping

Q36>A compiler which runs on one machine and generates code for another machine is called as ______________.  a)Bootstrapping  b)Cross-compilation  c)Incremental Compilation  d)None of the above

 Cross compilation

Q37>A cross compiler is a compiler which runs on one machine and generates code for another machine  a)True  b)False

 True

Q38>Process of generating code on one machine for executing on another is called ________________.

 Cross Compilation