Questions and answers for exam Preparation

MCQs

Total Questions : 120 | Page 2 of 12 pages

Question 11. A compiler for a high-level language that runs on one machine and produces code for a different machine is called

optimizing compiler
one pass compiler
cross compiler
multipass compiler

Discuss Question

Answer: Option C. -> cross compiler

Question 12. Assembly code data base is associated with

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

Discuss Question

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

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

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

Discuss Question

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

Question 14. Convert the BRNE h#01E6, i assembly language instructions into hexadecimal machine language:

0111EF
9.00E+09
DA000F
40

Discuss Question

Answer: Option B. -> 9.00E+09

Question 15. A development stategy whereby the executive control modules of a system are coded and tested first, is known as

Bottom-up development
Top-down development
Left-Right development
All of the above

Discuss Question

Answer: Option B. -> Top-down development

Question 16. A non-relocatable program is one which

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

Discuss Question

Answer: Option A. -> 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

Question 17. Multiprogramming was made possible by

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

Discuss Question

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

Question 18. An Interpreter is

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

Discuss Question

Answer: Option A. -> 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?

Operating system
Languages
Utilities
All of the above

Discuss Question

Answer: Option D. -> All of the above

Question 20. The system/370 assembler language

is a term that refers to the control programs of an operating system
is used to remember which of the general-purpose registers are currently available as base registers, and what base addresses they contain
allows multiple programs to reside in separate areas of core at the same time
allows the programmer to write base registers and displacements explicitly in the source program

Discuss Question

Answer: Option D. -> allows the programmer to write base registers and displacements explicitly in the source program