Operating System

What is operating system?

• collection of programs that manages hardware resources

• system service provider to the application programs

• link to interface the hardware and application programs

  
  

• all of the mentioned

Multi programming of the computer system increase

• Memory

• CPU utilization

• Storage

• Cost of computation

logical extension of multi programming OS is

• Time sharing

• Single Programming

• Clustering

• None of the above

In asymmetric clustering other machine perform operation while one machine is in

• hot standby mode

• reset mode

• undefined mode

• standby mode

__________type of system, there is no direct interaction between user and the computer.

• Desktop System

• Handheld System

• Multiprogramming System

• Simple Batch System

In ___________ System two or more hosts are running applications, and they are monitoring each other.

• Symmetric

• asymmetric

• parallel

• Cluster

system which guarantees the maximum time for critical operations and complete them on time are referred as ___________.

• Hard Real Time

• Soft Real Time

• Real Time

• Cluster

_______systems that can only guarantee a maximum of the time,, but no assurity of completing it in a defined time

• Real Time

• Soft Real Time

• Hard Real Time

• Cluster System

A ____________system consists of several processors that share a common physical memory.

• Multiprocessor

• Multiprogramming

• Simple Batch System

• Desktop System

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

• system calls

  
  

• API

• library

• assembly instructions