Operating System Chapter 3: Processes Quiz
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Questions and Answers

Match the following types of operating systems with their respective executed programs:

Batch system = Executes jobs Time-shared systems = Executes user programs or tasks

Match the following parts of a process with their descriptions:

Program code (text section) = Contains the actual code of the program Stack = Contains temporary data like function parameters, return addresses, local variables Data section = Contains global variables Heap = Contains dynamically allocated memory during process run time

Match the following process features with their descriptions:

Scheduling = Determines the order in which processes are executed Interprocess Communication (IPC) = Involves shared memory and message passing Communication in client-server systems = Describes communication patterns in client-server setups

Match the following concepts with their definitions:

<p>Process = A program in execution Job = A program to be executed by a batch system</p> Signup and view all the answers

Match the following process states with their descriptions:

<p>New = The process is being created Running = Instructions are being executed Waiting = The process is waiting for some event to occur Terminated = The process has finished execution</p> Signup and view all the answers

Match the following Process Control Block (PCB) information with their descriptions:

<p>Process state = Running, waiting, etc Program counter = Location of instruction to next execute CPU registers = Contents of all process-centric registers I/O status information = I/O devices allocated to process, list of open files, etc</p> Signup and view all the answers

Match the following terms with their descriptions:

<p>Process = Passive entity like an executable file Thread = Single thread of execution within a program Program = Active entity with a program counter and associated resources JVM = A process that interprets the loaded Java code and takes actions on behalf of that code</p> Signup and view all the answers

Match the following actions with their methods of starting a program:

<p>Execution of program = Started via command line entry of its name Process becoming a process = Multiple users executing the same program</p> Signup and view all the answers

Study Notes

Operating Systems and Executed Programs

  • Single-user single-tasking operating systems execute one program at a time for a single user
  • Multi-user single-tasking operating systems execute one program at a time for multiple users
  • Single-user multi-tasking operating systems execute multiple programs at a time for a single user
  • Multi-user multi-tasking operating systems execute multiple programs at a time for multiple users

Process Parts and Descriptions

  • Text section: contains the program's code
  • Data section: contains the program's data
  • Heap section: provides memory for dynamic memory allocation
  • Stack section: provides memory for function calls and returns

Process Features and Descriptions

  • Process ID (PID): a unique identifier for each process
  • Process status: running, waiting, or sleeping
  • Process priority: determines the order of process execution
  • CPU registers: contain information about the process's current state

Process Concepts and Definitions

  • Process control block (PCB): a data structure that contains information about a process
  • Process synchronization: the coordination of multiple processes to access shared resources
  • Process communication: the exchange of data between processes

Process States and Descriptions

  • Newborn state: a process is created and is being initialized
  • Running state: a process is currently being executed by the CPU
  • Waiting state: a process is waiting for a resource or event to occur
  • Sleeping state: a process is waiting for a specific time to occur
  • Zombie state: a process has finished execution but its parent process has not yet acknowledged its termination

Process Control Block (PCB) Information

  • Process ID (PID)
  • Process state
  • Program counter
  • CPU registers
  • Memory limits
  • Open files

Terms and Descriptions

  • Process scheduling: the allocation of the CPU to different processes
  • Process switching: the switching of the CPU from one process to another
  • Context switching: the switching of the CPU's context from one process to another

Actions and Methods of Starting a Program

  • Command-line interface: a user types a command to start a program
  • Graphical user interface: a user clicks on an icon to start a program
  • Batch processing: a program is started automatically by the operating system
  • Spooling: a program is started automatically by the operating system in response to a request

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Description

Test your understanding of process concepts, scheduling, operations, and interprocess communication in the context of operating systems. This quiz covers the essential features of processes, including creation, termination, and communication, as well as examples of interprocess communication systems.

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