Basic Utilities in Ubuntu Linux — Computer STD 9 — Question

How is the hard disc kept outside computer known?

……… is one of the areas where presentation is highly used.

Where are the attempt made by Sudo and gksudo noted?

Which is the sign for tracing the words with similar letters in the latter part and whatever letter in the earlier part?

By which button can any programme be stopped?

Which of the following is an application of various techniques and principles to transform simple message into uninteffigible secret message and to retransform the message back to its original form?

Both cryptography and cryptanalysis together is known as ……….