Questions and answers for exam Preparation

MCQs

Total Questions : 61 | Page 2 of 7 pages

Question 11. Terminal Table

a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure
contains all constants in the program
a permanent table which lists all key words and special symbols of the language in symbolic form
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

Discuss Question

Answer: Option C. -> a permanent table which lists all key words and special symbols of the language in symbolic form

Question 12. A compiler for a high-level language that runs on one machine and produces code for a different machine is called

one pass compiler
cross compiler
multipass compiler
optimizing compiler

Discuss Question

Answer: Option B. -> cross compiler

Question 13. Indicate which of the following is not true about 4GL?

4GL does not support a high-level of screen interaction
All of these
Many database management system packages support 4GLs
A 4GL is a software tool which is written, possibly, in some third generation language

Discuss Question

Answer: Option A. -> 4GL does not support a high-level of screen interaction

Question 14. Assembly code data base is associated with

assembly language version of the program which is created by the code generation phase and is input to the assembly phase
a permanent table which lists all key words and special symbols of the language in symbolic form
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
a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure

Discuss Question

Answer: Option A. -> assembly language version of the program which is created by the code generation phase and is input to the assembly phase

Question 15. Convert the BRNE h#01E6, i assembly language instructions into hexadecimal machine language:

40
9000000000
0111EF
DA000F

Discuss Question

Answer: Option B. -> 9000000000

Question 16. Multiprogramming was made possible by

both (a) and (b)
neither (a) nor (b)
input/output units that operate independently of the CPU
operating systems

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Answer: Option A. -> both (a) and (b)

Question 17. A development stategy whereby the executive control modules of a system are coded and tested first, is known as

Top-down development
All of these
Bottom-up development
Left-Right development

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Answer: Option A. -> Top-down development

Question 18. An Interpreter is

a program that automate the translation of assembly language into machine language
a program that places programs into memory and prepares them for execution
program that accepts a program written in a high level language and produces an object program
is a program that appears to execute a source program as if it were machine language

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Answer: Option D. -> is a program that appears to execute a source program as if it were machine language

Question 19. Systems software is a program that directs the overall operation of the computer, facilitates its use and interacts with the users. What are the different types of this software?

Utilities
Languages
All of these
Operating system

Discuss Question

Answer: Option C. -> All of these

Question 20. A non-relocatable program is one which

consists of a program and relevant information for its relocation
All of these
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
can itself perform the relocation of its address-sensitive portions

Discuss Question

Answer: Option C. -> 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