Information and Communication Technology MCQ

431. Who is the founder of Wikipedia?

Correct Answer: Correct answer is: (D) Jimmy wales.

Exam Relevance: General Knowledge, History, Information Technology

Difficulty: Easy

Concept notes: Jimmy Wales is the co-founder of Wikipedia, a free online encyclopedia.

Common Mistakes: Students may confuse the founders of other online platforms with the founder of Wikipedia.

Explanations: Jimmy Wales co-founded Wikipedia in 2001 along with Larry Sanger. Wikipedia is a collaborative online encyclopedia that allows users to contribute and edit content. The other individuals listed are not associated with the founding of Wikipedia.

Option Analysis:

Option A: Peer Schneider is not associated with the founding of Wikipedia.
Option B: Byron Looper is not associated with the founding of Wikipedia.
Option C: Rickard Eriksson is not associated with the founding of Wikipedia.
Option D: Jimmy Wales is the correct answer as he co-founded Wikipedia.

Mnemonic: JW for Jimmy Wales, the Wikipedia founder.

432. Encryption ..... the data to make it unreadable

Correct Answer: Correct answer is: (A) Scrambles.

Exam Relevance: SAT, ACT, AP Computer Science

Difficulty: Easy

Concept notes: Encryption is the process of converting data into a coded format to prevent unauthorized access.

Common Mistakes: Students may confuse encryption with simply changing the data, which does not fully capture the complexity of the process.

Explanations: Encryption scrambles the data to make it unreadable to unauthorized users. This process involves complex algorithms that transform the original data into a secure format, ensuring that only those with the correct decryption key can access the information.

Option Analysis:

Option A: Correct. Encryption scrambles the data to make it unreadable.
Option B: Incorrect. While encryption does change the data, the term "scrambles" more accurately describes the process of making the data unreadable.
Option C: Incorrect. Encryption does not update the data; it transforms it into a secure format.
Option D: Incorrect. One of the provided options is correct.

433. What is a portion of memory that serves as a temporary repository for data as it waits for a given action?

Correct Answer: Correct answer is: (A) Cache.

Exam Relevance: Computer Architecture, Operating Systems, Computer Science Fundamentals

Difficulty: Easy

Concept notes: Cache is a portion of memory that temporarily stores data to speed up access times.

Common Mistakes: Students may confuse cache with other types of memory like RAM or ROM, which have different functions.

Explanations: Cache is a high-speed memory that stores frequently accessed data to reduce the time it takes to access that data. It acts as a temporary repository, allowing data to be quickly retrieved and used by the processor. This makes cache an ideal answer for a temporary repository of data waiting for a given action.

Option Analysis:

Option A: Cache is correct as it is a temporary memory that stores data for quick access.
Option B: Processor is incorrect as it is the component that performs computations, not a temporary storage.
Option C: Processor pool is incorrect as it refers to a group of processors, not a temporary storage.
Option D: Bank is incorrect as it typically refers to a segment of memory, not a temporary repository.

Mnemonic: C for Cache, C for Convenience

434. Integrates audio, graphics, and/or video through links embedded in the main program.

Correct Answer: Correct answer is: (A) Hypermedia.

Exam Relevance: SAT, ACT, AP Computer Science

Difficulty: Easy

Concept notes: Hypermedia integrates various media types such as audio, graphics, and video through links embedded in the main program.

Common Mistakes: Students may confuse hypermedia with hypertext, which only involves text-based links.

Explanations: Hypermedia is the correct answer because it specifically refers to the integration of multiple media types through links embedded within a main program. This includes audio, graphics, and video, making it a comprehensive multimedia approach.

Option Analysis:

Option A: Correct. Hypermedia integrates audio, graphics, and video through links embedded in the main program.
Option B: Incorrect. Hypertext only involves text-based links and does not include multimedia elements.
Option C: Incorrect. MP3 is a file format for audio files and does not integrate multiple media types.
Option D: Incorrect. This option is not applicable as hypermedia is the correct answer.

Mnemonic: H for Hypermedia, H for Hybrid Media

435. Which among the following is a correct definition of "Digital Divide"?

Correct Answer: Correct answer is: (B) Gap between people having access to internet /IT and no internet/IT.

Exam Relevance: UPSC, GRE, GMAT

Difficulty: Easy

Concept notes: The digital divide refers to the gap between those who have access to modern information and communication technology and those who do not.

Common Mistakes: Students may confuse the digital divide with specific types of internet access or services, such as broadband versus narrowband or mobile versus internet access.

Explanations: The digital divide is defined as the gap between people who have access to internet and IT resources and those who do not. This encompasses a broad range of access issues, not limited to specific types of internet services or applications.

Option Analysis:

Option A: This option is incorrect because the digital divide is not limited to the gap between mobile and internet access.
Option B: This option correctly defines the digital divide as the gap between those with and without internet/IT access.
Option C: This option is incorrect because the digital divide is not specifically about the type of internet access (broadband vs. narrowband).
Option D: This option is incorrect because the digital divide is not limited to the gap between internet banking and normal banking.

436. We can insert maximum number of columns in Ms Word are.....

Correct Answer: Correct answer is: (C) 63.

Exam Relevance: Microsoft Office Specialist, ITIL Foundation, CompTIA A+

Difficulty: Easy

Concept notes: The maximum number of columns that can be inserted in Microsoft Word is 63.

Common Mistakes: Students may confuse the maximum number of columns with other software limitations or common default settings.

Explanations: Microsoft Word allows for a maximum of 63 columns in a document. This is a fixed limitation set by the software, and attempting to insert more than 63 columns will result in an error.

Option Analysis:

Option A: 35 is not the maximum number of columns allowed in Microsoft Word.
Option B: 15 is not the maximum number of columns allowed in Microsoft Word.
Option C: 63 is the correct maximum number of columns allowed in Microsoft Word.
Option D: 65 exceeds the maximum number of columns allowed in Microsoft Word.

437. Who developed a mechanical device in the 17th century that could add, subtract, multiple, divide and find square roots?

Correct Answer: Correct answer is: (D) Leibniz.

Exam Relevance: SAT, AP World History, IB History

Difficulty: Moderate

Concept notes: Gottfried Wilhelm Leibniz developed a mechanical calculator in the 17th century that could perform arithmetic operations including addition, subtraction, multiplication, division, and finding square roots.

Common Mistakes: Students may confuse Leibniz with other inventors of early calculating devices, such as Blaise Pascal, who developed an earlier calculator that could only add and subtract.

Explanations: Leibniz's mechanical device, known as the Stepped Reckoner, was a significant advancement in the history of computing. It was capable of performing all four basic arithmetic operations and finding square roots, making it more versatile than earlier calculators. This invention laid the groundwork for future developments in mechanical and electronic computing.

Option Analysis:

Option A: John Napier is known for inventing logarithms, not mechanical calculators.
Option B: Charles Babbage is known for his work on the Difference Engine and Analytical Engine in the 19th century, not the 17th century.
Option C: Blaise Pascal invented the Pascaline, a mechanical calculator that could only add and subtract, not perform multiplication, division, or find square roots.
Option D: Gottfried Wilhelm Leibniz developed the Stepped Reckoner, a mechanical calculator capable of performing all four basic arithmetic operations and finding square roots.

Mnemonic: L for Leibniz, L for Logical operations.

438. To delete an embedded objects, first

Correct Answer: Correct answer is: (D) Select it and then press the delete key.

Exam Relevance: Microsoft Office Certification, CompTIA A+, High School Computer Science Exams

Difficulty: Easy

Concept notes: To delete an embedded object, the correct procedure is to select the object and then press the delete key.

Common Mistakes: Students may mistakenly believe that double-clicking the object or pressing Shift + Delete is necessary to delete it.

Explanations: Selecting the object by clicking it highlights the object, making it active. Pressing the delete key then removes the object from the document. This is the standard procedure for deleting embedded objects in most software applications.

Option Analysis:

Option A: Double-clicking the object typically opens it for editing, not for deletion.
Option B: Selecting the object is the first step, but it does not delete the object by itself.
Option C: Pressing Shift + Delete is not a standard procedure for deleting embedded objects.
Option D: Selecting the object and then pressing the delete key is the correct procedure for deletion.

Mnemonic: Select, Delete, Gone

439. Why can an overflow error occur when adding two 8 bit binary numbers?

Correct Answer: Correct answer is: (A) Because the number cannot be represented as an 8 bit binary number. It requires a 9th bit.

Exam Relevance: Computer Architecture, Digital Logic Design, Computer Science Exams

Difficulty: Moderate

Concept notes: An overflow error occurs when the result of an arithmetic operation exceeds the maximum value that can be represented by the given number of bits.

Common Mistakes: Students often confuse overflow with underflow, which occurs when the result is too small to be represented.

Explanations: When adding two 8-bit binary numbers, the maximum value each number can represent is 255 (11111111 in binary). If the sum exceeds 255, it cannot be represented within 8 bits and requires an additional bit to represent the overflow. This is why an overflow error occurs, as the result cannot be stored within the 8-bit limit.

Option Analysis:

Option A: This is correct because the sum of two 8-bit numbers can exceed the maximum value that 8 bits can represent, requiring a 9th bit.
Option B: This is incorrect because an overflow error is not due to a miscalculation but due to the limitation of the bit size.
Option C: This is incorrect because only Option A is correct.
Option D: This is incorrect because Option A is correct.

440. Where do we record purchase return, sales return, depreciation, bad debts etc.in Tally

Correct Answer: Correct answer is: (A) Journal.

Exam Relevance: CA Final, CMA, ACCA

Difficulty: Easy

Concept notes: In Tally, transactions such as purchase returns, sales returns, depreciation, and bad debts are recorded in the Journal. The Journal is used for recording non-routine transactions that do not fit into the standard voucher types.

Common Mistakes: Students often confuse the Journal with other voucher types like Payment or Receipt, which are used for routine transactions.

Explanations: The Journal in Tally is specifically designed for recording non-routine transactions. Purchase returns, sales returns, depreciation, and bad debts are not routine transactions and thus are recorded in the Journal. This ensures that all non-standard transactions are properly documented and accounted for.

Option Analysis:

Option A: Correct. Journal is used for non-routine transactions.
Option B: Incorrect. Payment is used for routine transactions like payments to suppliers.
Option C: Incorrect. Contra is not a standard voucher type in Tally.
Option D: Incorrect. Receipt is used for routine transactions like receiving payments from customers.

Mnemonic: J for Journal, J for Journalize

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3 thoughts on “Information and Communication Technology MCQ - Set 44”

Peter Ross April 8, 2020

The MCQ is quite entertaining and will help in increasing knowledge also.
Reyaz Ahmad khan December 26, 2020

plz help me in regard with current Affairs
Eshita Nandpal April 11, 2021

Plz give make a part of unit wise

3 thoughts on “Information and Communication Technology MCQ - Set 44”

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