Operating System Flashcards
What is the maximum length of filename in DOS
8
cui full form and exceptional example
character user interface / MS DOS
GUI and CUI are two types of :
Interface
A computer cannot boot if doesn
t have
operating system
What is cold boot
Turn on the computer for the first time on a day
Restarting a running computer is called
Warm boot
When was first operating system developed
1950
Who developed Linux
Linus Torvalds
Most popular 16 bit operating system
MS-DOS
what operating system doesn’t support more than one program
dos
Primary purpose of operating system :
manage resources
DOS full form
Disk operating System
What are less known file formats supported by windows :
NTFS
FAT32
exFAT
full form of FAT
file allocation table
full form of NTFS
new technology file format
BIOS full form
basic input output system
BIOS is used by
Operating System
COW stands for
Copy overwrite
Which OS runs on server
Network OS
for what purpose fence register is used
To memory protection
What type of commands are required to perform various tasks in DOS
External Command
type of command are required to perform various tasks in DOS
External Command
which windows doesn’t has the start button
windows 8
For an effective operating system, when to check for deadlock?
every time a resource request is made at fixed time intervals
The technique in which CPU generates physical addresses directly is known as
Real Adressing
What process doesn’t directly interrupt the running process
Scheduler Process
What can’t be scheduled by the kernel
User Level Thread
In distributed operating systems, link and site failure is detected by
Handshaking
The wait operation in semaphore basically works on the basic _______ system call.
block()
Paging increases which time
context switch time
Resources which can be taken away from a a process without causing any ill effects to the process are called
preemptable resources
Physical memory is broken down into fixed-sized blocks called
frames
In segmentation each segment is specified by
a segment number and offset
Which command is used to delete the directory which is not empty
rm -r
