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science & technology Online Quiz - 6

Description: science & technology Online Quiz - 6
Number of Questions: 20
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Tags: science & technology
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XML uses the features of

general knowledge science & technology

  1. HTML

  2. XHTML

  3. VML

  4. SGML

Show answer
Correct Option: D

What does DTD stand for?

general knowledge science & technology

  1. Direct Type Definition

  2. Document Type Definition

  3. Do The Dance

  4. Dynamic Type Definition

Show answer
Correct Option: B

The memory address of the first element of an array is called

general knowledge science & technology

  1. floor address

  2. foundation address

  3. first address

  4. base address

Show answer
Correct Option: D
Explanation:

To solve this question, the user needs to have knowledge of arrays and computer memory.

The memory address of the first element of an array is called the base address. This is because the base address is the starting point or foundation of the array in memory. It is the address at which the first element of the array is stored.

Therefore, the correct answer is:

The Answer is: D. base address.

Option A is incorrect because floor address is not a term used to refer to the memory address of the first element of an array.

Option B is incorrect because foundation address is not a term used to refer to the memory address of the first element of an array.

Option C is incorrect because first address is not a term used to refer to the memory address of the first element of an array.

Which of the following data structures are indexed structures?

general knowledge science & technology

  1. linear arrays

  2. linked lists

  3. both of the above

  4. None of the above

Show answer
Correct Option: A

Which of the following is not the required condition for binary search algorithm?

general knowledge science & technology

  1. The list must be sorted

  2. there should be the direct access to the middle element in any sublist

  3. There must be mechanism to delete and/or insert elements in list

  4. binary search algorithm is not efficient when the data elements are more than 1000

Show answer
Correct Option: D

Two dimensional arrays are also called

general knowledge science & technology

  1. tables arrays

  2. matrix arrays

  3. both of above

  4. none of above

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Correct Option: C

A variable P is called pointer if

general knowledge science & technology

  1. P contains the address of an element in DATA.

  2. P points to the address of first element in DATA

  3. P can store only memory addresses

  4. P contain the DATA and the address of DATA

Show answer
Correct Option: A

Which of the following data structure can't store the non-homogeneous data elements?

general knowledge science & technology

  1. Arrays

  2. Records

  3. Pointers

  4. Nove

Show answer
Correct Option: A

Each data item in a record may be a group item composed of sub-items; those items which are indecomposable are called

general knowledge science & technology

  1. elementary items

  2. atoms

  3. scalar

  4. all of the above

Show answer
Correct Option: D

Binary search algorithm can not be applied to

general knowledge science & technology

  1. sorted linked list

  2. sorted binary trees

  3. sorted linear array

  4. pointer array

Show answer
Correct Option: A

A data structure where elements can be added or removed at either end but not in the middle

general knowledge science & technology

  1. Queue

  2. Stack

  3. Deque

  4. none of the above

Show answer
Correct Option: C

The situation when in a linked list START=NULL is

general knowledge science & technology

  1. underflow

  2. saturated

  3. overflow

  4. housefull

Show answer
Correct Option: A

Which is the shallowest sea in the world?

general knowledge science & technology

  1. Caspian Sea

  2. Baltic Sea

  3. Superior Lake

  4. Arabian Sea

Show answer
Correct Option: B

AI Explanation

To answer this question, we need to understand the concept of sea depth.

Option A) Caspian Sea - This option is incorrect because the Caspian Sea is actually the largest enclosed body of water on Earth. It is classified as a lake rather than a sea. The Caspian Sea has an average depth of about 211 meters.

Option B) Baltic Sea - This option is correct. The Baltic Sea is the shallowest sea in the world. It is located in Northern Europe and has an average depth of about 52 meters. Due to its relatively shallow depth, the Baltic Sea is prone to freezing during winter.

Option C) Superior Lake - This option is incorrect because Lake Superior is not a sea but a freshwater lake located in North America. It is the largest of the Great Lakes and has a maximum depth of about 406 meters.

Option D) Arabian Sea - This option is incorrect because the Arabian Sea is an extension of the Indian Ocean and is known for its deep waters. It has an average depth of about 2,850 meters.

The correct answer is B) Baltic Sea. It is the shallowest sea in the world with an average depth of about 52 meters.

Which is the largest island in the world?
general knowledge science & technology

  1. Srilanka

  2. Australia

  3. Greenland

  4. Ireland

Show answer
Correct Option: C

Which is the longest canal in the world?

general knowledge science & technology

  1. Titicaca

  2. Angel

  3. The Grand Canal of China

  4. Martian Canal

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Correct Option: C

Which country is known as the lady of snow?

general knowledge science & technology

  1. Greenland

  2. Canada

  3. Pakistan

  4. Iceland

Show answer
Correct Option: B

Which country is known as the roof of the world?
general knowledge science & technology

  1. Switzerland

  2. Argentina

  3. India

  4. Netherlands

Show answer
Correct Option: A

Which is the largest ocean in the world?

general knowledge science & technology

  1. Atlantic Ocean

  2. Pacific Ocean

  3. none of these

  4. Indian Ocean

Show answer
Correct Option: B

Yuri Gagarin was the first man to go in………….

general knowledge science & technology

  1. Space

  2. moon

  3. orbit

  4. none of these

Show answer
Correct Option: A

AI Explanation

To answer this question, you need to have knowledge about Yuri Gagarin and his historic achievement. Let's go through each option to understand why it is correct or incorrect:

Option A) Space - This option is correct. Yuri Gagarin was the first man to go into space. On April 12, 1961, he became the first human to orbit the Earth in his spacecraft Vostok 1.

Option B) Moon - This option is incorrect. Yuri Gagarin did not go to the moon. His mission was focused on orbiting the Earth, not going to the moon.

Option C) Orbit - This option is partially correct. Yuri Gagarin's mission was to orbit the Earth, so he did go into orbit. However, the more specific answer is that he went into space.

Option D) None of these - This option is incorrect. Yuri Gagarin did go into space, so this option is not applicable.

The correct answer is Option A) Space. Yuri Gagarin was the first man to go into space.

Who developed the World Wide Web {www}?

general knowledge science & technology

  1. Tim Bernes Lee

  2. Charles Babbage

  3. Jim Osborne

  4. John Osborne

Show answer
Correct Option: A
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