System Software-Unit 1

Programs that control or maintain the operations of the computer and its devices.

• Operating System

• Utility Software

• System Software

• Compression Software

A Loader is a program

• Places programs into memory and prepares them for execution

• Automates the translation of assembly language into machine language   

• Accepts a program written in a high level language and produces an object program

• Appers to execute a source program as if it were machine language

A system program that loads the executable program in the main memory

• Loader

• Linker

• Compiler

• Assembler

An example of the absolute loader

• Loader

• Bootstrap Loader

• Translator

• Compiler

The function of the linker

• To create the load module   

• to link all the functions in the program

• To link the user with the system 

• to link the data with the function

Loaders that allow for program relocation are called :

• Relocating loaders 

• Relative loaders   

• Both (a) and (b)

• None

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

• Bootstrap loader

• Loader

• Linker

• None of the above

_________ produces the linked version of the program

• load module

• linkage editor

• linker

• None

_________ allows several executing programs to share one copy of the subroutine or functions

• Loading

• Dynamic

• Linking

• Compiling

The register PC stands for

• Process count

• program code

• Program Counter

• Process Counter