Language Processors MCQ

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• Loaders that allow for program relocation are called
  ক

  relocating loaders

  খ

  relative loaders

  গ

  both (a) and (b)

  ঘ

  None of the above
• When a computer is first turned on or restarted, a special type of absolute loader, called a ______ is executed
  ক

  loader

  খ

  linker

  গ

  bootstrap loader

  ঘ

  None of the above
• Indicate which of the following is not true about an interpreter?
  ক

  Interpreter generates an object program from the source program

  খ

  Interpreter is a kind of translator

  গ

  Interpreter analyses each source statement every time it is to be executed

  ঘ

  All of the above
• Which table is a permanent databases that has an entry for each terminal symbol?
  ক

  Terminal table

  খ

  Literal table

  গ

  Identifier table

  ঘ

  Reductions
• The function(s) of the Syntax phase is/ are:
  ক

  to recognize the major constructs of the language and to call the appropriate action routines that will generate the intermediate form or matrix for these constructs

  খ

  to build a literal table and an identifier table

  গ

  to build a uniform symbol table

  ঘ

  to parse the source program into the basic elements or tokens of the language
• In analyzing the compilation of PL/I program, the term "Machine independent optimization" is associated with
  ক

  recognition of basic syntactic constructs through reductions

  খ

  recognition of basic elements and creation of uniform symbols

  গ

  creation of more optional matrix

  ঘ

  use of macro processor to produce more optimal assembly code
• Indicate whether the statement LDA B is a statement, in
  ক

  Machine language

  খ

  Assembly language

  গ

  High level language

  ঘ

  All of the above
• An algorithm is best described as
  ক

  A computer language

  খ

  A step by step procedure for solving a problem

  গ

  A branch of mathematics

  ঘ

  All of the above
• The function(s) of the Storage Assignment is/are:
  ক

  to assign storage to all variables referenced in the source program

  খ

  to assign storage to all temporary locations that are necessary for intermediate results

  গ

  to assign storage to literals, and to ensure that the storage is allocated and appropriate locations are initialized

  ঘ

  All of the above
• A sequence of instructions, in a computer language, to get the desired result, is known as
  ক

  Algorithm

  খ

  Decision Table

  গ

  Program

  ঘ

  All of the above
• A base register table
  ক

  is a term that refers to the control programs of an operating system

  খ

  is used to remember which of the general-purpose registers are currently available as base registers, and what base addresses they contain

  গ

  allows multiple programs to reside in separate areas of core at the same time

  ঘ

  allows the programmer to write base registers and displacements explicitly in the source program
• Bug means
  ক

  A logical error in a program

  খ

  A difficult syntax error in a program

  গ

  Documenting programs using an efficient documentation tool

  ঘ

  All of the above
• A loader is
  ক

  a program that places programs into memory and prepares them for execution

  খ

  a program that automate the translation of assembly language into machine language

  গ

  is a program that appears to execute a source program as if it were machine language

  ঘ

  program that accepts a program written in a high level language and produces an object program
• In what module, multiple instances of execution will yield the same result even if one instancy has not terminated before the next one has begun?
  ক

  non-reusable module

  খ

  serially reusable

  গ

  reenterable module

  ঘ

  recursive module
• Convert the .BYTE h#F8 assembly language pseudo-ops into hexadecimal machine language:
  ক

  0111EF

  খ

  03 16

  গ

  F8

  ঘ

  42 65 61 72
• In an absolute loading scheme, which loader function is accomplished by assembler
  ক

  Reallocation

  খ

  Allocation

  গ

  Linking

  ঘ

  Loading
• The macro processor must perform
  ক

  recognize macro definitions and macro calls

  খ

  save the macro definitions

  গ

  expand macro calls and substitute arguments

  ঘ

  All of the above
• Convert the 48 machine language instructions into assembly language, assuming that they were not generated by pseudo-ops:
  ক

  ASRA

  খ

  LOADA h#OD4E, i

  গ

  STOREA h#014B, d

  ঘ

  ADDA h#01FE, i
• Convert the 080D4E machine language instructions into assembly language, assuming that they were not generated by pseudo-ops:
  ক

  ASRA

  খ

  LOADA h#OD4E, i

  গ

  STOREA h#014B, d

  ঘ

  ADDA h#01FE, i
• The Process Manager has to keep track of:
  ক

  the status of each program

  খ

  the priority of each program

  গ

  the information management support to a programmer using the system

  ঘ

  both (a) and (b)
• In an absolute loading scheme, which loader function is accomplished by loader?
  ক

  Reallocation

  খ

  Allocation

  গ

  Linking

  ঘ

  Loading
• A compiler is
  ক

  a program that places programs into memory and prepares them for execution

  খ

  a program that automate the translation of assembly language into machine language

  গ

  program that accepts a program written in a high level language and produces an object program

  ঘ

  is a program that appears to execute a source program as if it were machine language
• In which way(s) can a macro processor for assembly language be implemented?
  ক

  independent two-pass processor

  খ

  independent one-pass processor

  গ

  processor incorporated into pass of a standard two-pass assembler

  ঘ

  All of the above
• A relocate program form is the one which
  ক

  cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation

  খ

  consists of a program and relevant information for its relocation

  গ

  can itself perform the relocation of its address-sensitive portions

  ঘ

  All of the above
• The task(s) of the Lexial analysis phase is/are:
  ক

  to parse the source program into the basic elements or tokens of the language

  খ

  to build a literal table and an identifier table

  গ

  to build a uniform symbol table

  ঘ

  All of the above
• The action of parsing the source program into the proper syntactic classes is known as
  ক

  syntax analysis

  খ

  lexical analysis

  গ

  interpretation analysis

  ঘ

  general syntax analysis
• Advantage(s) of using assembly language rather than machine language is/are:
  ক

  It is mnemonic and easy to read

  খ

  Addresses any symbolic, not absolute

  গ

  Introduction of data to program is easier

  ঘ

  All of the above
• The table created by lexical analysis to describe all literals used in the source program, is:
  ক

  Terminal table

  খ

  Literal table

  গ

  Identifier table

  ঘ

  Reductions
• Convert the CHARI h#000F, s assembly language instructions into hexadecimal machine language:
  ক

  0111EF

  খ

  9.00E+09

  গ

  DA000F

  ঘ

  40
• Which of the following program is not a utility?
  ক

  Debugger

  খ

  Editor

  গ

  Spooler

  ঘ

  All of the above