Parsing Questions

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81.

Which of the following is a phase of a compilation process?

A

Lexical Analysis

B

Code Generation

C

Lexical Analysis & Code Generation

D

None of the mentioned

Correct Answer: C

Lexical analysis and code generation is a phase of compilation process.

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82.

System program such as compiler are designed so that they are _________

A

Re-enterable

B

Non reusable

C

Serially usable

D

None of the mentioned

Correct Answer: A

Re-enterable is the keyword for compiler being designed.

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83.

A series of statements explaining how the data is to be processed is called _________

A

Assembly

B

Machine

C

COBOL

D

Program

Correct Answer: D

A program is a sequence of instructions, written to perform a task by computer. It requires programs to function, typically executing the program

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84.

A loader is a program that _________

A

Program that places functions into memory and prepares them for execution

B

Program that automates the translation of assembly language into machine language

C

Program accepting another program written in a high level language and produces as object program

D

None of the mentioned

Correct Answer: A

A loader is the part of an operating system that is responsible for loading programs and libraries. It is important in the process of placing the programs into memory and executing them.

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85.

A system program that setup an executable program in main memory ready for execution is?

A

Assembler

B

Linker

C

Loader

D

Load and go

Correct Answer: C

A loader is the part of an operating system that is responsible for loading programs and libraries. It is one of the essential stages in the process of starting a program, as it places programs into memory and prepares them for execution.

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86.

Which of the following system program forgoes the production of object code to generate absolute machine code and load it into the physical main storage location from which it will be executed immediately upon completion of the assembly?

A

Two pass assembler

B

Load and go assembler

C

Macro processor

D

Linker

Correct Answer: B

A load and go assembler generates absolute machine code and loads it to physical memory.

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87.

Uniform symbol table _________

A

Has all constants in the program

B

Permanent table of rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure

C

Consists of 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

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

Correct Answer: C

Each pass scans the program, the first pass generates the symbol table and the second pass generates the machine code.

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88.

Assembler is a program that _________

A

Puts programs into memory and executes them

B

Translates the assembly language into machine language

C

Writes in high level language and produces an object program

D

None of the mentioned

Correct Answer: B

An assembler is a program that takes basic computer instructions and converts them into a pattern of bits that the computer

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89.

Compiler can diagnose __________

A

Grammatical errors only

B

Logical errors only

C

Grammatical and logical errors

D

None of the mentioned

Correct Answer: A

Only syntactical errors can be detected by the compiler.

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90.

A simple two-pass assembler does which of the following in the first pass?

A

It allocates space for the literals

B

Calculates total length of the program

C

Symbol table is built for the symbols and their value

D

All of the mentioned

Correct Answer: D

A two-pass assembler. Each pass scans the program, the first pass generates the symbol table and the second pass generates the machine code.

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