GATE CSE format:mcq PYQs & Answers — Page 20

Questions 191–200 of 534. Imported answers require independent review unless marked reviewed.

Looking at the surface of a smooth 3-dimensional object from the outside, which one of the following options is TRUE?

Your answerChoose one option.

The surface of the object must be concave everywhere.

The surface of the object must be convex everywhere.

The surface of the object may be concave in some places and convex in other places.

The object can have edges, but no corners.

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The country of Zombieland is in distress since more than 75% of its working population is suffering from serious health issues. Studies conducted by competent health experts concluded that a complete lack of physical exercise among its working population was one of the leading causes of their health issues. As one of the measures to address the problem, the Government of Zombieland has decided to provide monetary incentives to those who ride bicycles to work.

Based only on the information provided above, which one of the following statements can be logically inferred with certainty?

Your answerChoose one option.

All the working population of Zombieland will henceforth ride bicycles to work.

Riding bicycles will ensure that all of the working population of Zombieland is free of health issues.

The health experts suggested to the Government of Zombieland to declare riding bicycles as mandatory.

The Government of Zombieland believes that riding bicycles is a form of physical exercise.

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Consider two functions of time

where

Now consider the following two statements: (i) For some

. (ii) There exists a

, such that

for all

Which one of the following options is TRUE?

Your answerChoose one option.

only (i) is correct

only (ii) is correct

both (i) and (ii) are correct

neither (i) nor (ii) is correct

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Which one of the following sentence sequences creates a coherent narrative? (i) Once on the terrace, on her way to her small room in the corner, she notices the man right away. (ii) She begins to pant by the time she has climbed all the stairs. (iii) Mina has bought vegetables and rice at the market, so her bags are heavy. (iv) He was leaning against the parapet, watching the traffic below.

Your answerChoose one option.

(i), (ii), (iv), (iii)

(ii), (iii), (i), (iv)

(iv), (ii), (i), (iii)

(iii), (ii), (i), (iv)

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and

are functions of

and

, respectively, and

for all real values of

and

. Which one of the following options is necessarily TRUE for all

and

Your answerChoose one option.

and

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Which one of the options best describes the transformation of the 2-dimensional figure P to Q, and then to R, as shown?

Diagram for Computer Science and Information Technology question 10

Your answerChoose one option.

Operation 1: A clockwise rotation by 90° about an axis perpendicular to the plane of the figure

Operation 2: A reflection along a horizontal line

Operation 1: A counter clockwise rotation by 90° about an axis perpendicular to the plane of the figure

Operation 2: A reflection along a horizontal line

Operation 1: A clockwise rotation by 90° about an axis perpendicular to the plane of the figure

Operation 2: A reflection along a vertical line

Operation 1: A counter clockwise rotation by 180° about an axis perpendicular to the plane of the figure

Operation 2: A reflection along a vertical line

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Consider the following statements regarding the front-end and back-end of a compiler. S1: The front-end includes phases that are independent of the target hardware. S2: The back-end includes phases that are specific to the target hardware. S3: The back-end includes phases that are specific to the programming language used in the source code.

Identify the CORRECT option.

Your answerChoose one option.

Only S1 is TRUE.

Only S1 and S2 are TRUE.

S1, S2, and S3 are all TRUE.

Only S1 and S3 are TRUE.

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Which one of the following sequences, when stored in an array at locations A[1], . . . , A[10] forms a max-heap?

Your answerChoose one option.

23, 17, 10, 6, 13, 14, 1, 5, 7, 12

23, 17, 14, 7, 13, 10, 1, 5, 6, 12

23, 17, 14, 6, 13, 10, 1, 5, 7, 15

23, 14, 17, 1, 10, 13, 16, 12, 7, 5

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Let SLDel be a function that deletes a node in a singly-linked list given a pointer to the node and a pointer to the head of the list. Similarly, let DLDel be another function that deletes a node in a doubly-linked list given a pointer to the node and a pointer to the head of the list. Let n denote the number of nodes in each of the linked lists. Which one of the following choices is TRUE about the worst-case time complexity of SLDel and DLDel?

Your answerChoose one option.

SLDel is O(1) and DLDel is O(n)

Both SLDel and DLDel are O(log(n))

Both SLDel and DLDel are O(1)

SLDel is O(n) and DLDel is O(1)

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Consider the Deterministic Finite-state Automaton (DFA) shown below. The DFA runs on the alphabet

, and has the set of states

, with

being the start state and

being the only final state.

Diagram for Computer Science and Information Technology question 14

Which one of the following regular expressions correctly describes the language accepted by

Your answerChoose one option.

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GATE CSE format:mcq PYQs

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