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MCQs on System Software
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MCQs on System Software

All General MCQs and Quizzes related to System Software.



Q No.1 of 10

The output of the lexical analyzer is________


Option 1

set of regular expressions 
Option 2

set of tokens
Option 3

string of characters
Option 4

syntax tree
Q No.2 of 10

A compiler-compiler is_________.


Option 1

another name for cross compiler
Option 2

compiler which compiles a compiler program
Option 3

software tool used in automatic generation of a compiler
Option 4

compiler written in the same language it compiles
Q No.3 of 10

__________ in system software resides in main memory always.


Option 1

Linker
Option 2

Loader
Option 3

Text editor
Option 4

Assembler
Q No.4 of 10

An interpreter is preferred over a compiler________.


Option 1

when storage space is to be minimized
Option 2

during program development phase
Option 3

all of the these
Option 4

none of these
Q No.5 of 10

The functions that are performed in pass 2.


Option 1

Updating the location counter
Option 2

Creating the proper address mode using the base table.
Option 3

Processing of EQU pseudo-op
Option 4

None of these
Q No.6 of 10

The correct statement(s) about LTORG.


Option 1

It is used to place the literals definition in a specified memory location that is given in the operand field.
Option 2

 It is used to load the object program at some specified memory location that is given in the operand field.
Option 3

It creates a literal pool that contains all the literal operands used since the previous LTORG
Option 4

None of these
Q No.7 of 10

Statement(s) about loading is true?


Option 1

Modification records are used for specifying program relocation in relative addressing mode instructions.
Option 2

Text record uses a relocation bit associated with each word of the object code in direct addressing and fixed instruction format.
Option 3

Modification records are best suited for relative addressing mode 
Option 4

All of these
Q No.8 of 10

When an attempt to divide by zero is made, ________ interrupt is generated?


Option 1

Program
Option 2

Supervisor call  (SVC)
Option 3

I/O 
Option 4

Timer
Q No.9 of 10

The class of interrupt with highest priority is ________.


Option 1

Supervisor call interrupt (SVC) 
Option 2

Program interrupt 
Option 3

I/O interrupt 
Option 4

Timer interrupt 
Q No.10 of 10

The class of interrupt with lowest priority is _________.


Option 1

Supervisor call interrupt (SVC)
Option 2

Timer interrupt
Option 3

Program interrupt
Option 4

I/O interrupt

Correct Answers