GATE (Graduate Aptitude Test in Engineering) Computer Science & IT (CS): Questions 1842 - 1845 of 3196
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Question 1842
Appeared in Year: 2019
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 1843
Appeared in Year: 2019
Question MCQ▾
How many reflexive relations are there on a set with 4 elements? (December)
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 1844
Appeared in Year: 2019
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. | Member function of class B can access protected data of class A | |
d. | Object of derived class B can access public base class data |
Question 1845
Appeared in Year: 2019
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. |