Questions and answers for exam Preparation

MCQs

Total Questions : 120 | Page 8 of 12 pages

Question 71. Terminal Table

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 of the tokens as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation
contains all constants in the program

Discuss Question

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

Question 72. 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 73. 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 74. 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 75. 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 76. The Process Manager has to keep track of:

the status of each program
the priority of each program
the information management support to a programmer using the system
both (a) and (b)

Discuss Question

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

Question 77. Convert the 080D4E machine language instructions into assembly language, assuming that they were not generated by pseudo-ops:

ASRA
LOADA h#OD4E, i
STOREA h#014B, d
ADDA h#01FE, i

Discuss Question

Answer: Option B. -> LOADA h#OD4E, i

Question 78. The macro processor must perform

recognize macro definitions and macro calls
save the macro definitions
expand macro calls and substitute arguments
All of the above

Discuss Question

Answer: Option D. -> All of the above

Question 79. 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?