Question 1

An SJF algorithm is simply a priority algorithm where the priority is___________

Accepted Answer

A) the predicted next cpu burst 
B) the inverse of the predicted next cpu burst 
C) the current cpu burst 
D) anything the user wants 
A) the predicted next cpu burst 
B) the inverse of the predicted next cpu burst 
C) the current cpu burst 
D) anything the user wants A

Question 2

Which one of the following is not a real time operating system?

Accepted Answer

A) vxworks 
B) qnx 
C) rtlinux 
D) palm os 
A) vxworks 
B) qnx 
C) rtlinux 
D) palm os D

Question 3

What is interprocess communication?

Accepted Answer

A) communication within the process 
B) communication between two process 
C) communication between two threads of same process 
D) none of the mentioned 
A) communication within the process 
B) communication between two process 
C) communication between two threads of same process 
D) none of the mentioned B

Question 4

The systems which allow only one process execution at a time, are called___________

Accepted Answer

A) uniprogramming systems 
B) uniprocessing systems 
C) unitasking systems 
D) none of the mentioned 
A) uniprogramming systems 
B) uniprocessing systems 
C) unitasking systems 
D) none of the mentioned

Question 5

If a process fails, most operating system write the error information to a___________

Accepted Answer

A) log file 
B) another running process 
C) new file 
D) none of the mentioned 
A) log file 
B) another running process 
C) new file 
D) none of the mentioned

Question 6

What is an operating system?

Accepted Answer

A) collection of programs that manages hardware resources 
B) system service provider to the application programs 
C) interface between the hardware and application programs 
D) all of the mentioned 
A) collection of programs that manages hardware resources 
B) system service provider to the application programs 
C) interface between the hardware and application programs 
D) all of the mentioned

Question 7

What is a Process Control Block?

Accepted Answer

A) process type variable 
B) data structure 
C) a secondary storage section 
D) a block in memory 
A) process type variable 
B) data structure 
C) a secondary storage section 
D) a block in memory

Question 8

What is 'Aging'?

Accepted Answer

A) keeping track of cache contents 
B) keeping track of what pages are currently residing in memory 
C) keeping track of how many times a given page is referenced 
D) increasing the priority of jobs to ensure termination in a finite time 
A) keeping track of cache contents 
B) keeping track of what pages are currently residing in memory 
C) keeping track of how many times a given page is referenced 
D) increasing the priority of jobs to ensure termination in a finite time

Question 9

What is the degree of multiprogramming?

Accepted Answer

A) the number of processes executed per unit time 
B) the number of processes in the ready queue 
C) the number of processes in the i/o queue 
D) the number of processes in memory 
A) the number of processes executed per unit time 
B) the number of processes in the ready queue 
C) the number of processes in the i/o queue 
D) the number of processes in memory

Question 10

In operating system, each process has its own___________

Accepted Answer

A) address space and global variables 
B) open files 
C) pending alarms, signals and signal handlers 
D) all of the mentioned 
A) address space and global variables 
B) open files 
C) pending alarms, signals and signal handlers 
D) all of the mentioned

Question 11

In Operating Systems, which of the following is/are CPU scheduling algorithms?

Accepted Answer

A) round robin 
B) shortest job first 
C) priority 
D) all of the mentioned 
A) round robin 
B) shortest job first 
C) priority 
D) all of the mentioned

Question 12

What is the main function of the command interpreter?

Accepted Answer

A) to get and execute the next user-specified command 
B) to provide the interface between the api and application program 
C) to handle the files in operating system 
D) none of the mentioned 
A) to get and execute the next user-specified command 
B) to provide the interface between the api and application program 
C) to handle the files in operating system 
D) none of the mentioned

Question 13

Which one of the following is not true?

Accepted Answer

A) kernel is the program that constitutes the central core of the operating system 
B) kernel is the first part of operating system to load into memory during booting 
C) kernel is made of various modules which can not be loaded in running operating system 
D) kernel remains in the memory during the entire computer session 
A) kernel is the program that constitutes the central core of the operating system 
B) kernel is the first part of operating system to load into memory during booting 
C) kernel is made of various modules which can not be loaded in running operating system 
D) kernel remains in the memory during the entire computer session

Question 14

Which facility dynamically adds probes to a running system, both in user processes and in the kernel?

Accepted Answer

A) dtrace 
B) dlocate 
C) dmap 
D) dadd 
A) dtrace 
B) dlocate 
C) dmap 
D) dadd

Question 15

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

Accepted Answer

A) power failure 
B) lack of paper in printer 
C) connection failure in the network 
D) all of the mentioned 
A) power failure 
B) lack of paper in printer 
C) connection failure in the network 
D) all of the mentioned

Question 16

The FCFS algorithm is particularly troublesome for___________

Accepted Answer

A) time sharing systems 
B) multiprogramming systems 
C) multiprocessor systems 
D) operating systems 
A) time sharing systems 
B) multiprogramming systems 
C) multiprocessor systems 
D) operating systems

Question 17

Which system call can be used by a parent process to determine the termination of child process?

Accepted Answer

A) wait 
B) exit 
C) fork 
D) get 
A) wait 
B) exit 
C) fork 
D) get

Question 18

The number of processes completed per unit time is known as___________

Accepted Answer

A) output 
B) throughput 
C) efficiency 
D) capacity 
A) output 
B) throughput 
C) efficiency 
D) capacity

Question 19

The entry of all the PCBs of the current processes is in___________

Accepted Answer

A) process register 
B) program counter 
C) process table 
D) process unit 
A) process register 
B) program counter 
C) process table 
D) process unit

Question 20

In Unix, Which system call creates the new process?

Accepted Answer

A) fork 
B) create 
C) new 
D) none of the mentioned 
A) fork 
B) create 
C) new 
D) none of the mentioned

Exam 9: Operating System and Process Management

An SJF algorithm is simply a priority algorithm where the priority is___________

Which one of the following is not a real time operating system?

What is interprocess communication?

The systems which allow only one process execution at a time, are called___________

If a process fails, most operating system write the error information to a___________

What is an operating system?

What is a Process Control Block?

What is 'Aging'?

What is the degree of multiprogramming?

In operating system, each process has its own___________

In Operating Systems, which of the following is/are CPU scheduling algorithms?

What is the main function of the command interpreter?

Which one of the following is not true?

Which facility dynamically adds probes to a running system, both in user processes and in the kernel?

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

The FCFS algorithm is particularly troublesome for___________

Which system call can be used by a parent process to determine the termination of child process?

The number of processes completed per unit time is known as___________

The entry of all the PCBs of the current processes is in___________

In Unix, Which system call creates the new process?

Operating System

Operating System and Software

Operating System and Computer Basics: Formatting, Clipboard, Radio Buttons, Bankers Algorithm, and More

Computer Software and Operating System

Processor and Memory Fundamentals

Computer Architecture and Memory

Computer Science and Information Technology on Raid, Middleware, and CPU Scheduling

Understanding Process Scheduling in Operating Systems

Process Scheduling and Synchronization in Multi-Programming Environment

Process Management and Interprocess Communication in Unix

Semaphores, Spinlocks, and Monitors: Understanding Synchronization in Operating Systems

Concurrency Control and Deadlock Prevention in Operating Systems

Deadlock and Resource Allocation in Computer Systems

Memory Management and Swapping Techniques

Memory Management in Operating Systems

Understanding Paging and Memory Management in Operating Systems

Understanding Virtual Memory and Page Replacement Algorithms

Virtual Memory, Segmentation, and Disk Management

Disk Management and I/O Subsystem

Linux Kernel and System Structures

Thread Management and Synchronization in Operating Systems

Operating System Concepts: System Calls, Threads, and Signals

Operating System and Thread Pool

Operating System and Memory Management

Process Control and Memory Management

Linux Kernel, File Systems, Bootloaders and Distributions

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