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Category Archives: UGC-NET

__________ is a bit-oriented protocol for communication over point-to-point and multipoint links. (A) Stop-and-wait (B) HDLC (C) Sliding window (D) Go-back-N Answer: (C) Explanation: Quiz… Read More
What is the propagation time if the distance between the two points is 48,000 ? Assume the propagation speed to be 2.4 × 108 metre/second… Read More
Which of the following is not a field in TCP header? (A) Sequence number (B) Fragment offset (C) Checksum (D) Window size Answer: (B) Explanation:… Read More
How many characters per second (7 bits + 1 parity) can be transmitted over a 3200 bps line if the transfer is asynchronous ? (Assuming… Read More
For n devices in a network, ________ number of duplex-mode links are required for a mesh topology. (A) n(n + 1) (B) n (n –… Read More
Regular expression for the complement of language L = {an bm | n ≥ 4, m ≤ 3} is (A) (a + b)* ba(a +… Read More
Given two languages: L1 = {(ab) n ak | n > k, k ≥ 0} L2 = {an bm| n ≠ m} Using pumping lemma… Read More
The pushdown automation M = ({q0, q1, q2 }, {a, b}, {0, 1}, δ, q0 , 0, {q0}) with δ (q0, a, 0) = {q1… Read More
Which of the following statements is not true? (A) MPI_Isend and MPI_Irecv are non-blocking message passing routines of MPI. (B) MPI_Issend and MPI_Ibsend are non-blocking… Read More
How many tokens will be generated by the scanner for the following statement ? x = x ∗ (a + b) – 5; (A) 12… Read More
Consider the following statements S1, S2 and S3 : S1 : In call-by-value, anything that is passed into a function call is unchanged in the… Read More
Match the following: List – I List – II (a)Cavalier Projection (i)The direction of projection is chosen so that there is no foreshortening of lines… Read More
In Cyrus-Beck algorithm for line clipping the value of t parameter is computed by the relation: (Here P 1 and P 2 are the two… Read More
Consider a triangle represented by A(0, 0), B(1, 1), C(5, 2). The triangle is rotated by 45 degrees about a point P(–1, –1). The co-ordinates… Read More
A technique used to approximate halftones without reducing spatial resolution is known as _________. (A) Halftoning (B) Dithering (C) Error diffusion (D) None of the… Read More

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