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Friday, November 15, 2013

UGC NET September 2013: Question Papers with Answer Keys: Computer Science And Applications Paper II

1. A file is downloaded in a home computer using a 56 kbps MODEM connected to an Internet Service Provider. If the download of file completes in 2 minutes, what is the maximum size of date downloaded?
(A) 112 Mbits
(B) 6.72 Mbits
(C) 67.20 Mbits
(D) 672 Mbits

2. In_____CSMA protocol, after the station finds the line idle, it sends or refrains from sending based on the outcome of a random generator.
(A) Non-persistent
(B) 0-persistent
(C) 1-persistent
(D) p-persistent

3. Which of the following substitution technique have the relationship between a character in the plaintext and a character in the ciphertext as one-to-many?
(A) Monoalphabetic
(B) Polyalphabetic
(C) Transpositional
(D) None of the above

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