26 Which operating system is an open source operating system

26 )Which operating system is an open source operating system distribution? O Microsoft Windows O Mac OS)x O Linux O NOS

Solution

26.
   Linux : It is open source OS

27.
   spam
   Spam is flooding the Internet with many copies of the same message, in an attempt to force the message on people who would not otherwise choose to receive it.
28.
   False
   We can also interact with OS using command prompt(terminal)
29.
   Beta version
30.
   platters Within a hard drive, these are the storage media