Question 1

Android is closed operating system.

technology operating systems

True
False

Answer

Correct Option: B

Question 2

Google acquired Android in

technology operating systems

2001
2004
2005
2006

Answer

Correct Option: C

Question 3

Android has ...... lines of code.

technology operating systems

8 million
10 million
15 million
12 million

Answer

Correct Option: D

Question 4

The first commercially available phone to run the Android operating system was the

technology operating systems

HTC Dream
Samsung
Motorolla
LG

Answer

Correct Option: A

Question 5

Which databse is used for storage purpose.

technology operating systems

Oracle
SQL Express
SQLite
DB2

Answer

Correct Option: C

Question 6

Android is programmed in

technology operating systems

C ,Java
C,C++,Java
Java,linux
Java ,Pearl

Answer

Correct Option: B

Question 7

what is the command to stop mysql replication on slave server?

technology operating systems

stop slave
service mysql stop
shutdown
service mysql restart

Answer

Correct Option: A

Question 8

what is the file to edit default limits of server?

technology operating systems

/etc/securitty
/etc/limit
ulimit
/etc/security/limits.conf

Answer

Correct Option: D

Question 9

how to find what day does dec 1 fall on?

technology operating systems

$date -day 'Dec 1' +%A
$date --date='1 Dec' +%A
$date -day '1 Dec'' +%A
$date day=1 Dec

Answer

Correct Option: B

Question 10

Only way to kill defunct process is find the parent process id of the defunct process and then kill that parent process.

technology operating systems

True
False

Answer

Correct Option: A

Question 11

Which is the innermost layer in Unix Operating system

technology operating systems

Shell
Kernal
Hardware
Terminal

Answer

Correct Option: C

Question 12

What is the program that starts running for you when you login and dies when you log out.

technology operating systems

Shell
Terminal
Kernal
tty

Answer

Correct Option: A

Question 13

"echo" is an internal command

technology operating systems

True
False

Answer

Correct Option: A

Question 14

What is the output of $bc 9/5

technology operating systems

1
1.8
1.80
2

Answer

Correct Option: A

Question 15

What is the command used to find out the time taken to perform an operation.

technology operating systems

cputime
time
cmdusage
timer

Answer

Correct Option: B

Question 16

How will you calculate CPU time used to perform an action

technology operating systems

System time + Real Time
Time + Real Time
User Time + Real Time
User Time + System Time

Answer

Correct Option: D

Question 17

Unix files has end of file mark

technology operating systems

True
False

Answer

Correct Option: B

Question 18

To get a recursive list what option is used with "ls" command.

technology operating systems

-R
-r
-a
-rs

Answer

Correct Option: A

Question 19

What command tells you the type of file beyond the normal 3 categories.

technology operating systems

type
file
filetype
ls

Answer

Correct Option: B

Question 20

What is the size of the file /dev/null

technology operating systems

100 Bytes
200 Bytes
0 Bytes
Unlimited

Answer

Correct Option: C

Description: operating systems Online Quiz - 17
Number of Questions: 20
Created by: Aliensbrain Bot
Tags: operating systems

operating systems Online Quiz - 17

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