Practice Language Processors Multiple Choice Questions with Answers Quiz-4

Q.1.

In which way(s) can a macro processor for assembly language be implemented?

independent two-pass processor
independent one-pass processor
processor incorporated into pass of a standard two-pass assembler
All of the above

Q.2.

Convert the BRNE h#01Ei assembly language instructions into hexadecimal machine language:

0111EF
9001E6
DA000F
40

Q.3.

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

Q.4.

A loader is

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

Q.5.

Indicate which of the following is not true about an interpreter?

Interpreter generates an object program from the source program
Interpreter is a kind of translator
Interpreter analyses each source statement every time it is to be executed
All of the above

Q.6.

In analyzing the compilation of PL/I program, the term "Lexical analysis" is associated with

recognition of basic syntactic constructs through reductions
recognition of basic elements and creation of uniform symbols
creation of more optional matrix
use of macro processor to produce more optimal assembly code

Q.7.

The function(s) of the Storage Assignment is/are:

to assign storage to all variables referenced in the source program
to assign storage to all temporary locations that are necessary for intermediate results
to assign storage to literals, and to ensure that the storage is allocated and appropriate locations are initialized
All of the above

Q.8.

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?

two pass assembler
load-and-go assembler
macroprocessor
compiler

Q.9.

A system program that combines the separately compiled modules of a program into a form suitable for execution

assembler
linking loader
cross compiler
load and go

Q.10.

Bug means

A logical error in a program
A difficult syntax error in a program
Documenting programs using an efficient documentation tool
All of the above

Q.11.

Which of the following functions is/ are performed by the loader?

Allocate space in memory for the programs and resolve symbolic references between object decks
Physically place the machine instructions and data into memory
Adjust all address dependent locations, such as address constants, to correspond to the allocated space
All of the above

Q.12.

Convert the CHARI h#000F, s assembly language instructions into hexadecimal machine language:

0111EF
9001E6
DA000F
40

Q.13.

When a computer is first turned on or restarted, a special type of absolute loader, called a ______ is executed

loader
linker
bootstrap loader
None of the above

Q.14.

An algorithm is best described as

A computer language
A step by step procedure for solving a problem
A branch of mathematics
All of the above

Q.15.

Convert themachine 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

Q.16.

A compiler is

a program that places programs into memory and prepares them for execution
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
is a program that appears to execute a source program as if it were machine language

Q.17.

Convert themachine 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

Q.18.

The table created by lexical analysis to describe all literals used in the source program, is:

Terminal table
Literal table
Identifier table
Reductions

Q.19.

Indicate whether the statement LDA B is a statement, in

Machine language
Assembly language
High level language
All of the above

Q.20.

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

Q.21.

In an absolute loading scheme, which loader function is accomplished by loader?

Reallocation
Allocation
Linking
Loading

Q.22.

The advantage(s) of incorporating the macro processor into pass 1 is/ are:

many functions do not have to be implemented twice
Functions are combined and it is not necessary to create intermediate files as output from the macro processor and input to the assembler
more flexibility is available to the programmer in which he/she may use all the features of the assembler in conjunction with macros
All of the above

Q.23.

Advantage(s) of using assembly language rather than machine language is/are:

It is mnemonic and easy to read
Addresses any symbolic, not absolute
Introduction of data to program is easier
All of the above

Q.24.

In which addressing mode, the effective address of the operand is generated by adding a constant value to the contents of register?

absolute mode
indirect mode
immediate mode
index mode

Q.25.

The action of parsing the source program into the proper syntactic classes is known as

syntax analysis
lexical analysis
interpretation analysis
general syntax analysis

Q.26.

A self-relocating 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

Q.27.

The task(s) of the Lexial analysis phase is/are:

to parse the source program into the basic elements or tokens of the language
to build a literal table and an identifier table
to build a uniform symbol table
All of the above

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