UGC-NET December 2019 Solved Questions with Explanations (51-60)
51. Who is the creator of ‘R’ statistics?
A. Dale H. Bent and H.E. Garrett
B. Norman H. Nie and C. Hadlai Hull
C. Ross Ihaka and Robert Gentleman
D. Harold Cramer and John Chambers
Answer: C (Ross Ihaka and Robert Gentleman)
Notes: R, first released in 1993 under GNU GPL
License is a programming language and free software environment for developing
statistical software and data analysis, initially developed by Ross Ihaka and
Robert Gentleman.
52. Loss of signal power as light travel down the fiber is called:
A. Attenuation
B. Propagation
C. Scattering
D. Interpretation
Answer: A (Attenuation)
Notes: Attenuation refers to any reduction in
the strength of a signal. It occurs with any type of signal, whether digital or
analog. It is a natural consequence of signal transmission over long distances.
53. The g-Index was proposed by __.
A. Jorge Hirsch
B. Bill Smith
C. Leo Egghe
D. Olle Persson
Answer: C (Leo Egghe)
Notes: The g-index is
an index for quantifying productivity in science, based
on publication record (an author-level metric). It was suggested
in 2006 by Leo Egghe.
54. ‘Indian Library Review’ is a blog of __.
A. IASLIC
B. NISCAIR
C. INFLIBNET
D. National Library of India
Answer: D (National Library of India)
55. Who proposed ‘General System Theory of Communication’?
A. Robert T. Craig
B. W. R. Ashby
C. Shannon and Weaver
D. Ludwig Von Bertalanffy
Answer: D (Ludwig Von Bertalanffy)
Notes: The System theory focuses on
understanding the organization as an open system that transforms inputs into
outputs. This theory is based on the work of a biologist, Ludwig von
Bertalanffy, who believed that a general systems model could be used to unite science.
This theory was first proposed by Bertalanffy in 1928.
56. The method of communication in which transmission takes place
in both the directions, but only in one direction at a time is called:
A. Simplex
B. Full Duplex
C. Half Duplex
D. Two-wire Circuits
Answer: C (Half Duplex)
Notes: In the half-duplex mode of transmission the communication is two
directional but the channel is alternately used by both the connected device.
In other words, in a half-duplex system,
both parties can communicate with each other, but not simultaneously; the
communication is one direction at a time. Example: walkie-talkie.
57. Conservative, moderate and liberal theories of reference
service are propounded by _.
A. S. R. Ranganathan
B. James I. Wyer
C. W. A. Katz
D. Krishan Kumar
Answer: B (James I. Wyer)
Notes: James I. Wyer theorized in 1930 that
reference work could be either ‘conservative,
moderate or liberal’ in his book ‘Reference Work: A Textbook for Students
of Library Work and Librarians’.
58. Arrange the following information networks according to
their year of launching:
a) NICNET
b) NKN
c) INFLIBNET
d) ERNET
A. (c), (a), (b)
and (d)
B. (a), (d)
(c) and (b)
C. (a), (c),
(d) and (b)
D. (d), (b),
(a) and (c)
Answer: B
Notes: NICNET (1977); ERNET (1986); INFLIBNET (1991);
NKN (2010)
59. Identify the services of OCLC from the following:
a) Infoport
b) OJAS
c) First Search
d) Question Point
A. (a), (c) and
(d) are correct
B. (b), (c) and
(d) are correct
C. (c) and (d)
are correct
D. (a), (b) and
(d) are correct
Answer: C
60. Which of the following steps are involved in the selection
of documents for digitization?
a) Checking the copyright
b) Checking the research
significance of the document
c) Checking for price
d) Checking the condition of
document
A. (a), (c) and
(d) are correct
B. (b), (c) and
(d) are correct
C. (c) and (d)
are correct
D. (a), (b) and
(d) are correct
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