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operating systems Online Quiz - 17

Description: operating systems Online Quiz - 17
Number of Questions: 20
Created by:
Tags: operating systems
Attempted 0/20 Correct 0 Score 0

Android is closed operating system.

  1. True

  2. False


Correct Option: B

Google acquired Android in

  1. 2001

  2. 2004

  3. 2005

  4. 2006


Correct Option: C

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

  1. 8 million

  2. 10 million

  3. 15 million

  4. 12 million


Correct Option: D

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

  1. HTC Dream

  2. Samsung

  3. Motorolla

  4. LG


Correct Option: A

Which databse is used for storage purpose.

  1. Oracle

  2. SQL Express

  3. SQLite

  4. DB2


Correct Option: C

Android is programmed in

  1. C ,Java

  2. C,C++,Java

  3. Java,linux

  4. Java ,Pearl


Correct Option: B

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

  1. stop slave

  2. service mysql stop

  3. shutdown

  4. service mysql restart


Correct Option: A

what is the file to edit default limits of server?

  1. /etc/securitty

  2. /etc/limit

  3. ulimit

  4. /etc/security/limits.conf


Correct Option: D

how to find what day does dec 1 fall on?

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

  2. $date --date='1 Dec' +%A

  3. $date -day '1 Dec'' +%A

  4. $date day=1 Dec


Correct Option: B

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

  1. True

  2. False


Correct Option: A

Which is the innermost layer in Unix Operating system

  1. Shell

  2. Kernal

  3. Hardware

  4. Terminal


Correct Option: C
  1. System time + Real Time

  2. Time + Real Time

  3. User Time + Real Time

  4. User Time + System Time


Correct Option: D

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

  1. type

  2. file

  3. filetype

  4. ls


Correct Option: B
  1. 100 Bytes

  2. 200 Bytes

  3. 0 Bytes

  4. Unlimited


Correct Option: C
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