31.
Window's settings are recorded in

32.
Which network protocol is used to send Email?

33.
When was the first e-mail sent?

34.
Operating System is the most common type of _________ software.

35.
Arithmetic logic unit
I.   perform arithmetic operations
II.  store data
III. perform comparison
IV.  communicate with input devices
from above the correct one is

36.
RAM chips

37.
Super computers are mainly useful for

38.
The operating system manages

39.
Which memory is non volatile and may be written only once?

40.
The memory which is programmed at the time it is manufactured is