Operating System Subcategories

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

Which of the following is false?

A. Context switch time is longer for kernel level threads than for user level threads
B. User level threads do not need any hardware support
C. Related kernel level threads can be scheduled on different processors in a multiprocessor system
D. Blocking one kernel level thread blocks all other related threads

A thread is also called ___________

A. Light weight process(lwp)
B. Heavy weight process(hwp)
C. Process
D. None of the mentioned

A thread shares its resources(like data section, code section, open files, signals) with ___________

A. Other process similar to the one that the thread belongs to
B. Other threads that belong to similar processes
C. Other threads that belong to the same process
D. All of the mentioned

A heavy weight process ___________

A. Has multiple threads of execution
B. Has a single thread of execution
C. Can have multiple or a single thread for execution
D. None of the mentioned

A process having multiple threads of control implies ___________

A. It can do more than one task at a time
B. It can do only one task at a time, but much faster
C. It has to use only one thread per process
D. None of the mentioned

Multithreading an interactive program will increase responsiveness to the user by ___________

A. Continuing to run even if a part of it is blocked
B. Waiting for one part to finish before the other begins
C. Asking the user to decide the order of multithreading
D. None of the mentioned

Resource sharing helps ___________

A. Share the memory and resources of the process to which the threads belong
B. An application have several different threads of activity all within the same address space
C. Reduce the address space that a process could potentially use
D. All of the mentioned

Multithreading on a multi – CPU machine ___________

A. Decreases concurrency
B. Increases concurrency
C. Doesn’t affect the concurrency
D. Can increase or decrease the concurrency

The kernel is _______ of user threads.

A. A part of
B. The creator of
C. Unaware of
D. Aware of

If the kernel is single threaded, then any user level thread performing a blocking system call will ___________

A. Cause the entire process to run along with the other threads
B. Cause the thread to block with the other threads running
C. Cause the entire process to block even if the other threads are available to run
D. None of the mentioned