Question 1: The dominant switching system used for data communication today is

(A) Packet switching system

(B) Electromechanical switching system

(C) Stronger switching system 

(D) Crossbar switching system.

Question 2: If the value of even one datum is in extreme as compared with remaining data, it can substantially affect the value of 

(A) Mode

(B) Mean

(C) Median and mode

(D) Mean and mode

Question 3: The presentation of information in a non-sequential style and pattern in 

(A) Hypermedia

(B) Multimedia

(C) Hypertext

(D) Publishing