UGC NET CS Jun 2023

In 16-bit 2's complement representation, the decimal number -28 is

1. B.1111 1111 1111 0100
2. C.1111 1111 1110 0100✓
3. D.1111 1111 1110 0011
4. A.1111 1111 0001 1100

Correct answer: C

Allowing different derived classes to be used interchangeably through the interface provided by a common base class is called

1. A.Derived Polymorphism
2. B.Compile time Polymorphism
3. C.Static Polymorphism
4. D.Run time Polymorphism✓

Correct answer: D

Model of protection can be viewed as

1. B.Domain matrix
2. A.Owner matrix
3. C.Global matrix
4. D.Access matrix✓

Correct answer: D

In a ______ curve, the last and first vertices of the polygon lie on the curve and all other vertices define the derivatives, order and shape of the curve.

1. A.B-Spline curve
2. B.Boxline curve
3. C.Bezier curve✓
4. D.Gaussian curve

Correct answer: C

In a ______, the left and right subtrees for any given node differ in height by more than one.

1. D.Binary search tree✓
2. C.Height balance tree
3. A.Balanced binary tree
4. B.Weight balanced binary tree

Correct answer: D

What is the minimum Hamming distance in block code if we want to be able to detect up to S errors?

1. A.S
2. B.S + 1✓
3. C.1
4. D.0

Correct answer: B

Fuzzy logic is a form of

1. D.Many valued logic✓
2. A.Two valued logic
3. B.Crisp set logic
4. C.Binary set logic

Correct answer: D

Which protocol is used to acquire the MAC address of a host whose IP address is known?

1. A.Dynamic Host Control Protocol
2. B.Address Resolution Protocol✓
3. C.Reverse Address Resolution Protocol
4. D.User Datagram Protocol

Correct answer: B

In CRC coding, if the data word is 111111, divisor is 1010 and the remainder is 110, which of the following code is true?

1. A.011111101
2. B.001010110
3. C.111111110✓
4. D.110111111

Correct answer: C