MCQs City

Operating System » Threads Fork Exec

Operating System Subcategories

Application Io Interface 1	Application Io Interface 2
Atomic Transactions	Basics
Classic Sync Problems	Communication Systems Bandwidth Transmission Medium
Cpu Scheduling	Cpu Scheduling 2
Cpu Scheduling Algorithms 1	Cpu Scheduling Algorithms 2
Cpu Scheduling Benefits	Critical Section Problem
Deadlock	Deadlock Avoidance
Deadlock Detection	Deadlock Prevention
Deadlock Recovery	Disk Management
Disk Scheduling 1	Disk Scheduling 2
Distributed File System	Distributed Operating System
Distributed Synchronization	File System 1
File System Allocation Methods 1	File System Allocation Methods 2
File System Allocation Methods 3	File System Concepts
File System Free Space Performance	File System Implementation
File System Interface Access Methods 1	File System Interface Access Methods 2
File System Interface Directory Structure 1	File System Interface Directory Structure 2
File System Interface Mounting Sharing	File System Interface Protection
File System Recovery	Inter Process Communication
Io Subsystem	Kernel Io Subsystems
Linux	Mass Storage Raid 1
Mass Storage Raid 2	Mass Storage Tertiary Storage
Memory Allocation 1	Memory Allocation 2
Memory Management	Memory Management Paging 1
Memory Management Paging 2	Memory Management Segmentation
Memory Management Swapping 1	Memory Management Swapping 2
Multi Threading Models	Multimedia System Compression 1
Multimedia System Compression 2	Multimedia System Compression 3
Multimedia System Cpu Disk Scheduling	Multimedia System Network Management
Network File System 1	Network File System 2
Network Structure Topology	Operating System
Process Control Block	Process Creation
Process Rpc	Process Scheduling Queue
Process Structures	Process Sync Monitors
Process Synchronization	Processes
Protection Access Matrix	Protection Concepts
Protection Memory Protection	Protection Revocation Access Rights
Robustness	Rtos
Secondary Storage	Security
Security Cryptography	Security Intrusion Detection
Security Program System Threats	Security System Facility
Security User Authentication	Semaphores 1
Semaphores 2	Swap Space Management
Threads	Threads Cancellation
Threads Fork Exec	Threads Pools
Threads Signal Handling	Threads Ult Klt
Two Port Network	Virtual Memory
Virtual Memory Demand Paging	Virtual Memory Frame Allocation
Virtual Memory Page Replacement Algorithms 1	Virtual Memory Page Replacement Algorithms 2
Virtual Memory Thrashing

Which of the following system calls does not return control to the calling point, on termination?

A. Fork
B. Exec
C. Ioctl
D. Longjmp

Read more about this MCQ

The following program results in the creation of? main() { if(fork()>0) sleep(100); }

A. An orphan process
B. A zombie process
C. A process that executes forever
D. None of the mentioned

Read more about this MCQ

Which of the following system calls transforms executable binary file into a process?

A. Fork
B. Exec
C. Ioctl
D. Longjmp

Read more about this MCQ

How many times the following C program prints yes? main() { fork();fork();printf(""yes""); }

A. Only once
B. Twice
C. Four times
D. Eight times

Read more about this MCQ

Which of the following calls never returns an error?

A. Getpid
B. Fork
C. Ioctl
D. Open

Read more about this MCQ

A fork system call will fail if ______________

A. The previously executed statement is also a fork call
B. The limit on the maximum number of processes in the system would be executed
C. The limit on the minimum number of processes that can be under execution by a single user would be executed
D. All of the mentioned

Read more about this MCQ

If a thread invokes the exec system call ____________

A. Only the exec executes as a separate process
B. The program specified in the parameter to exec will replace the entire process
C. The exec is ignored as it is invoked by a thread
D. None of the mentioned

Read more about this MCQ

If exec is called immediately after forking ____________

A. The program specified in the parameter to exec will replace the entire process
B. All the threads will be duplicated
C. All the threads may be duplicated
D. None of the mentioned

Read more about this MCQ

If a process does not call exec after forking ____________

A. The program specified in the parameter to exec will replace the entire process
B. All the threads should be duplicated
C. All the threads should not be duplicated
D. None of the mentioned

Read more about this MCQ

MCQs Menu

Past Papers