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Exercise
21.
Which of the following might be used to convert high-level 'language instructions into machine language?
  • A.
    System software
  • C.
    An operating environment
  • B.
    Applications software
  • D.
    An Interpreter
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Answer : [D]
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22.
Software that measures, monitors, analyzes, and controls real-world events is called
  • A.
    system software
  • C.
    scientific software
  • B.
    real-time software
  • D.
    business software
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Answer : [B]
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23.
Terminal Table
  • A.
    contains all constants in the program
  • 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 token's as they appear in the program. Created by Lexical analysis and used for syntax analysis- and interpretation
  • D.
    a permanent table which lists all key words and special symbols of the language in symbolic form
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Answer : [D]
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24.
Which of the following is not an advantage of multiprogramming?
  • A.
    Increased throughput
  • C.
    Decreased operating-system overhead
  • B.
    Shorter response time
  • D.
    Ability to assign priorities to jobs
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Answer : [C]
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25.
In which addressing mode the effective address of the operand is the contents of a register specified in the instruction and after accessing the operand, the contents of this register is incremented to point to the next item in the list?
  • A.
    Index addressing
  • C.
    Auto increment
  • B.
    Indirect addressing
  • D.
    Auto decrement
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Answer : [C]
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