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Language Processors Online Exam Quiz

Important questions about Language Processors. Language Processors MCQ questions with answers. Language Processors exam questions and answers for students and interviews.

1. The advantage(s) of incorporating the macro processor into pass 1 is/ are:

Options

A : many functions do not have to be implemented twice

B : Functions are combined and it is not necessary to create intermediate files as output from the macro processor and input to the assembler

C : more flexibility is available to the programmer in which he/she may use all the features of the assembler in conjunction with macros

D : All of the above

2. A development stategy whereby the executive control modules of a system are coded and tested first, is known as

Options

A : Bottom-up development

B : Top-down development

C : Left-Right development

D : All of the above

3. Job Control Language (JCL) statements are Used to

Options

A : Read the input from the slow-speed card reader to the high-speed magnetic disk

B : Specify, to the operating system, the beginning and end of a job in a batch

C : Allocate the CPU to a job

D : All of the above

4. In analyzing the compilation of PL/I program, the term "Syntax analysis" is associated with

Options

A : recognition of basic syntactic constructs through reductions

B : recognition of basic elements and creation of uniform symbols

C : creation of more optional matrix

D : use of macro processor to produce more optimal assembly code

5. Assembler is

Options

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

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

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

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

6. A compiler for a high-level language that runs on one machine and produces code for a different machine is called

Options

A : optimizing compiler

B : one pass compiler

C : cross compiler

D : multipass compiler

7. Assembly code data base is associated with

Options

A : a permanent table which lists all key words and special symbols of the language in symbolic form

B : a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure

C : consists of a full or partial list or the tokens as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation

D : assembly language version of the program which is created by the code generation phase and is input to the assembly phase

8. A non-relocatable program is one which

Options

A : 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

B : consists of a program and relevant information for its relocation

C : can itself perform the relocation of its address-sensitive portions

D : All Of the above

9. Convert the 11014B machine language instructions into assembly language, assuming that they were not generated by pseudo-ops:

Options

A : ASRA

B : LOADA h#OD4E, i

C : STOREA h#014B, d

D : ADDA h#01FE, i

10. Terminal Table

Options

A : a permanent table which lists all key words and special symbols of the language in symbolic form

B : a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure

C : consists of a full or partial list of the tokens as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation

D : contains all constants in the program

1. Convert the ASLA assembly language instructions into hexadecimal machine language:

Options

A : 0111EF

B : 9001E6

C : DA000F

D : 40

2. If special forms are needed for printing the output, the programmer specifies these forms through

Options

A : JCL

B : IPL

C : Utility programs

D : Load modules

3. Which of the following might be used to convert high-level language instructions into machine language?

Options

A : system software

B : applications software

C : an operating environment

D : an interpreter

4. The system/370 assembler language

Options

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

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

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

D : allows the programmer to write base registers and displacements explicitly in the source program

5. In analyzing the compilation of PL/I program, the term "Lexical analysis" is associated with

Options

A : recognition of basic syntactic constructs through reductions

B : recognition of basic elements and creation of uniform symbols

C : creation of more optional matrix

D : use of macro processor to produce more optimal assembly code

6. In which addressing mode, the effective address of the operand is generated by adding a constant value to the contents of register?

Options

A : absolute mode

B : indirect mode

C : immediate mode

D : index mode

7. Convert the .WORD d#790 assemblylanguage pseudo-ops into hexadecimal machine language:

Options

A : 0111EF

B : 03 16

C : F8

D : 42 65 61 72

8. Multiprogramming was made possible by

Options

A : input/output units that operate independently of the CPU

B : operating systems

C : both (a) and (b)

D : neither (a) nor (b)

9. Convert the BRNE h#01E6, i assembly language instructions into hexadecimal machine language:

Options

A : 0111EF

B : 9001E6

C : DA000F

D : 40

1. Advantage(s) of using assembly language rather than machine language is/are:

Options

A : It is mnemonic and easy to read

B : Addresses any symbolic, not absolute

C : Introduction of data to program is easier

D : All of the above

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