Which of the following statements is/are true about process management? Select 4 correct answer(s)

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Asmau Baffa: Attempt 1
Which of the following statements is/are true about process management?
Select 4 correct answer(s)
The dispatcher's only task is to update relevant information in the process
control block of processes
An I/O-bound process is characterized by short CPU-bursts since the process is
waiting on a lot of I/O operations to complete
A Process Control Block in an entry in the process table and the process table
maintains information about all processes running in an operating system
A CPU-bound process requires more time performing computations than waiting
for I/O operations
0
When an interrupt occurs, the process context of the current process being
executed by the CPU needs to be saved in memory
The interrupt service routine (ISR), as a part of the kernel is responsible for
switching between the current process under execution. In other words, the ISR
schedules jobs for execution
L
DELL
O
Transcribed Image Text:Asmau Baffa: Attempt 1 Which of the following statements is/are true about process management? Select 4 correct answer(s) The dispatcher's only task is to update relevant information in the process control block of processes An I/O-bound process is characterized by short CPU-bursts since the process is waiting on a lot of I/O operations to complete A Process Control Block in an entry in the process table and the process table maintains information about all processes running in an operating system A CPU-bound process requires more time performing computations than waiting for I/O operations 0 When an interrupt occurs, the process context of the current process being executed by the CPU needs to be saved in memory The interrupt service routine (ISR), as a part of the kernel is responsible for switching between the current process under execution. In other words, the ISR schedules jobs for execution L DELL O
Expert Solution
Step 1: Introduction

A dispatcher is a module that gives  process control of a CPU after being selected by the short-term scheduler. The dispatcher runs after the scheduler. Give control of the CPU to a process selected by the short-term scheduler. After selecting a process, the dispatcher allocates CPUs to the process.

A process control block (PCB) is a data structure used by a computer's operating system to store all  information about a process. Also called process descriptor. When a process is created (initialized or installed), the operating system creates a corresponding process control block.

A process context is its current state. I need to save the context of the currently running process so that it can continue after the interrupt has been serviced. A process context is essentially the current state. 

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