Language Processors

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

A:

Bottom-up development

B:

Top-down development

C:

Left-Right development

D:

All of the above

Answer: B

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

A:

0111EF

B:

9001E6

C:

DA000F

D:

40

Answer: B

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Indicate which of the following is not true about 4GL?

A:

4GL does not support a high-level of screen interaction

B:

Many database management system packages support 4GLs

C:

A 4GL is a software tool which is written, possibly, in some third generation language

D:

All of the above

Answer: A

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Assembly code data base is associated with

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

Answer: D

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

A:

optimizing compiler

B:

one pass compiler

C:

cross compiler

D:

multipass compiler

Answer: C

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Questions for: Language Processors