cs604 operating system solved second quiz on 18th november 2011

[Xpert]

The priority of a process can be changed using __________ command.
Nice
cmd
Cat
Grep
First _______ entries in Per Process File Descriptor Table are used as soon as the process is created.
1
2
3
4
The section of code before the critical section is called __________
Entry section
Remainder section
Exit section
Crystal section
POSIX is a standard developed by ___________
ANSI
IEEE
ISO
ACM
The process of switching from one process to another is called latency.
True
_______________ scheduling algorithm can be preemptive or non-preemptive.
First Come First Serve
Shortest Job First
Round Robin
Priority
___________ is a solution to the problem of indefinite blockage of low-priority processes.
Starvation
Deadlock
Aging
None of the these
In Unix/ Linux, by default the standard output file is attached to the ___________
File
Batch programs are usually __________ programs.
. Interactive
Non-interactive
Foreground
Preemptive
__________ integer shows the highest priority of a process in CPU scheduling
Small
Large
____ command display the status of a process.
Is
Ps
Gcc
Cat
___________ is used in real time operating systems.

A process is said to be in critical section if it executes code that manipulates shared data.
False
A major problem with priority scheduling algorithms is _________________.
Deadlock
Aging
Starvation
None of these
In Unix/ Linux, by default the standard input file is attached to the ___________
Keyboard