Basics of OS

Operating systems

• enables the programmer to draw a flow chart

• provides a layer, user friendly interface

• links a program with subroutine it references

• all of these

Operating system is a collection of

• Software routines

• Input-output devices

• Hardware components

• All of these

Which of the following is not an operating system?

• UNIX

• MS-DOS

• CP/M

• PASCAL

The primarily takes care of the behind the scenes details and manages the hardware

• Hard disk

• Peripheral devices

• Application software

• Operating system

The capabilities of the operating system is to enable two or more than two programs to execute simultaneously in a single computer system by a single processor is

• Multi-execution

• Multi-programming

• Multi-tasking

• Multi-processing

Characteristics of an operating system is/are

• Error recovery

• Resource management

• Memory management

• All of the above

What is an operating system?

• collection of programs that manages hardware resources

• system service provider to the application programs

• interface between the hardware and application programs

• all of the mentioned

To access the services of operating system, the interface is provided by the ___________

• System calls

• API

• Library

• Assembly instructions

Which one of the following is not true?

• kernel is the program that constitutes the central core of the operating system

• kernel is the first part of operating system to load into memory during booting

• kernel is made of various modules which can not be loaded in running operating system

• kernel remains in the memory during the entire computer session

Which one of the following error will be handle by the operating system?

• power failure

• lack of paper in printer

• connection failure in the network

• all of the mentioned