lesson 3 - processor management 1 Flashcards
1
Q
Single-user system has how many states?
A
2
busy state : executing a job
idle state: all the other times
2
Q
uses simple processor management
A
Single-user systems
3
Q
also known as the “job”
A
program
4
Q
a unit of work submitted by a user, inactive unit
A
program
such as request for printing job
5
Q
an executable program single instance, an active entity
A
process (task)
6
Q
also known as a “task”
A
process
7
Q
do process (task) need resources?
A
YES it does to perform functions
8
Q
a portion of a process
A
thread
9
Q
processor allocated fir a time period
A
multiprogramming environment
10
Q
call for help, activates higher-priority program
A
Interrupt
11
Q
saving job processing information when interrupted
A
context switch
12
Q
May be shared by several jobs, requires scheduling policy and scheduling algorithm
A
Single processor
13
Q
A
