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  • Question
  • 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

  • Correct Answer
  • allows the programmer to write base registers and displacements explicitly in the source program 


  • Language Processors problems


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

    • Options
    • A. 0111EF
    • B. 9001E6
    • C. DA000F
    • D. 40
    • Discuss
    • 4. 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
    • Discuss
    • 5. 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
    • Discuss
    • 6. 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
    • Discuss
    • 7. 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
    • Discuss
    • 8. 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
    • Discuss
    • 9. 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)
    • Discuss
    • 10. Convert the BRNE h#01E6, i assembly language instructions into hexadecimal machine language:

    • Options
    • A. 0111EF
    • B. 9001E6
    • C. DA000F
    • D. 40
    • Discuss


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