GATE (Graduate Aptitude Test in Engineering) Computer Science: Questions 1844 - 1847 of 2080

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Question 1844

Appeared in Year: 2019 (UGC-NET)

Question

MCQ▾

Let P be the set of all people. Let R be a binary relation on P such that (a, b) is in R if a is a brother of B. Is R symmetric, transitive, an equivalence relation, a partial order relation? (December)

Choices

Choice (4)Response

a.

NO, NO, NO, NO

b.

NO, NO, YES, NO

c.

NO, YES, NO, NO

d.

NO, YES, YES, NO

Question 1845

Appeared in Year: 2019 (UGC-NET)

Question

MCQ▾

How many reflexive relations are there on a set with 4 elements? (December)

Choices

Choice (4)Response

a.

b.

c.

d.

Question 1846

Appeared in Year: 2019 (UGC-NET)

Question

MCQ▾

Let A be the base class in C ++ and B be the derived class from A with protective inheritance. Which of the following statement is false for class B? (December)

Choices

Choice (4)Response

a.

Member function of class B cannot access private data of class A

b.

Member function of class B can access public data of class A

c.

Object of derived class B can access public base class data

d.

Both a. and c. are correct

Question 1847

Appeared in Year: 2019 (UGC-NET)

Question

MCQ▾

In a B-Tree, each node represents a disk block. Suppose one block holds 8192 bytes. Each key uses 32 bytes. In a B-tree of order there are keys. Since each branch is on another disk block, we assume a branch is of 4 bytes. The total memory requirement for a non-leaf node is (December)

Choices

Choice (4)Response

a.

b.

c.

d.

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