Information and Communication Technology MCQ

31. Who is credited with the idea of using punch cards to control patterns in a waving machine?

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

Exam Relevance: Computer Science, History of Computing, Engineering History

Difficulty: Moderate

Concept notes: Joseph Marie Jacquard is credited with the invention of the punch card system to control patterns in a weaving machine.

Common Mistakes: Students may confuse Jacquard with other inventors like Babbage or Hollerith, who also used punch cards in their work.

Explanations: Joseph Marie Jacquard developed a loom that used punch cards to control the weaving patterns. This innovation allowed for the automation of complex weaving patterns, significantly improving the efficiency and quality of textile production. The punch card system he developed laid the foundation for later uses of punch cards in computing and data processing.

Option Analysis:

Option A: Pascal is known for his contributions to mathematics and the development of the mechanical calculator, not for punch cards in weaving machines.
Option B: Hollerith is known for his development of punch card tabulating machines used in the U.S. Census, but not for weaving machines.
Option C: Babbage is known for his work on the Analytical Engine, which used punch cards for programming, but not for weaving machines.
Option D: Jacquard is credited with the invention of the punch card system for weaving machines.

Mnemonic: J for Jacquard, J for Jute (a type of textile).

32. Which device would you use:To backup very large amounts of data

Correct Answer: Correct answer is: (D) Magnetic Tape.

Exam Relevance: CISSP, CompTIA A+, ITIL

Difficulty: Moderate

Concept notes: Magnetic tape is a storage medium that is particularly suited for backing up very large amounts of data due to its high capacity and cost-effectiveness for long-term storage.

Common Mistakes: Students may mistakenly choose optical disks or hard drives because they are more commonly used in everyday computing scenarios, but these options are less suitable for very large data backups.

Explanations: Magnetic tape is the most appropriate choice for backing up very large amounts of data because it offers high storage capacity at a lower cost per gigabyte compared to other options. It is also designed for long-term archival storage, making it ideal for large-scale data backup needs.

Option Analysis:

Option A: Optical disks have limited storage capacity and are not suitable for very large data backups.
Option B: Hard drives are suitable for large data storage but are more expensive and less durable for long-term archival purposes compared to magnetic tape.
Option C: Flash memory is not practical for very large data backups due to its high cost and limited capacity compared to magnetic tape.
Option D: Magnetic tape is the most cost-effective and durable option for backing up very large amounts of data.

33. 1024 bytes equals:?

Correct Answer: Correct answer is: (A) 1KB.

Exam Relevance: SAT, ACT, AP Computer Science

Difficulty: Very Easy

Concept notes: 1024 bytes is equivalent to 1 kilobyte (KB).

Common Mistakes: Students may confuse the conversion between bytes and kilobytes, thinking 1000 bytes equals 1KB instead of 1024 bytes.

Explanations: In computing, 1 kilobyte (KB) is defined as 1024 bytes. This is a standard unit conversion in digital storage.

Option Analysis:

Option A: Correct. 1024 bytes equals 1 kilobyte (KB).
Option B: Incorrect. 2 megabytes (MB) is much larger than 1024 bytes.
Option C: Incorrect. 1 terabyte (TB) is significantly larger than 1024 bytes.
Option D: Incorrect. 1 gigabyte (GB) is much larger than 1024 bytes.

Mnemonic: 1024 bytes = 1KB, think "1024 bytes = 1 kilobyte, not 1000."

34. ..... describes a network in which a company's data and applications are stored at offsite data centres that are accessed over the Internet.

Correct Answer: Correct answer is: (C) Cloud Computing.

Exam Relevance: CISSP, CompTIA Cloud+, AWS Certified Solutions Architect

Difficulty: Moderate

Concept notes: Cloud computing refers to the delivery of computing services over the Internet, including data storage and applications.

Common Mistakes: Students may confuse cloud computing with intranet or extranet, which are internal or semi-internal networks, respectively.

Explanations: Cloud computing involves storing and accessing data and applications over the Internet, typically at offsite data centers. This aligns with the description provided in the question, where a company's data and applications are stored at offsite data centers and accessed over the Internet.

Option Analysis:

Option A: Intranet is a private network accessible only to an organization's members, service providers, or others with authorization. It does not involve offsite data centers accessed over the Internet.
Option B: Extranet is an extension of a company's intranet that is accessible to customers, suppliers, or other business partners. It is not primarily focused on offsite data centers accessed over the Internet.
Option C: Cloud Computing is the correct answer as it involves storing and accessing data and applications over the Internet, typically at offsite data centers.
Option D: None of these is incorrect because cloud computing accurately describes the scenario.

35. How can you apply exactly the same formatting you did to another text?

Correct Answer: Correct answer is: (C) Select the text then click on Format Painter and select the new text.

Exam Relevance: Microsoft Office Specialist, CompTIA A+, Google Workspace Certification

Difficulty: Easy

Concept notes: The Format Painter tool in word processing software allows users to copy the formatting of selected text and apply it to other text without copying the actual text content.

Common Mistakes: Students may mistakenly believe that copying and pasting the text directly will also transfer the formatting, which is not the case.

Explanations: The Format Painter tool is specifically designed to copy and apply formatting from one text selection to another. By selecting the text with the desired formatting, clicking on the Format Painter, and then selecting the new text, the formatting is transferred without copying the text itself.

Option Analysis:

Option A: This method involves copying the text and pasting it in a new location, then retyping the new text, which does not transfer the formatting.
Option B: Paste Special is used to control how content is pasted, but it does not specifically transfer formatting from one text to another without copying the text itself.
Option C: This is the correct method for applying the same formatting to another text without copying the text content.
Option D: This option is incorrect because not all of the provided methods are correct for transferring formatting.

Mnemonic: Format Painter, Copy Style, Not Text

36. You're using a hardwired telephone at your office. You receive a telephone call and want to transfer it to another employee. How do you transfer a call?

Correct Answer: Correct answer is: (A) You put the caller on hold, dial the extension where you want to transfer the call, and hang up.

Exam Relevance: General Office Skills, Business Communication, Customer Service Exams

Difficulty: Easy

Concept notes: The correct method for transferring a call on a hardwired telephone involves placing the caller on hold, dialing the extension, and then hanging up to complete the transfer.

Common Mistakes: Students may mistakenly believe that transferring a call involves simply hanging up or using a speed dial feature, which are not the correct procedures for transferring a call on a hardwired phone.

Explanations: To transfer a call on a hardwired telephone, you first place the caller on hold. This ensures the caller remains connected to the line. Next, you dial the extension of the destination where you want to transfer the call. Finally, you hang up, which completes the transfer and connects the caller to the new extension.

Option Analysis:

Option A: This is the correct procedure for transferring a call on a hardwired telephone.
Option B: Speed dialing is not the correct method for transferring a call.
Option C: Hanging up and redialing would disconnect the caller and not transfer the call.
Option D: It is possible to transfer a call on a hardwired phone using the correct procedure.

Mnemonic: Hold, Dial, Hang (HDH)

37. The rectangular area of the screen that displays a program, data, and/or information is a

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

Exam Relevance: AP Computer Science Principles, IB Computer Science, A-Level Computing

Difficulty: Easy

Concept notes: A window is a rectangular area on a computer screen that displays a program, data, and/or information.

Common Mistakes: Students may confuse a window with other graphical user interface elements like buttons or dialog boxes.

Explanations: A window is the correct term for the rectangular area on a computer screen that displays a program, data, and/or information. It is a fundamental component of graphical user interfaces, allowing users to interact with various applications and view different types of content.

Option Analysis:

Option A: A title bar is a part of a window that displays the name of the program or document and controls for minimizing, maximizing, and closing the window. It is not the entire rectangular area that displays content.
Option B: A button is a graphical user interface element that performs a specific action when clicked. It is not the rectangular area that displays content.
Option C: A dialog box is a window that appears temporarily to request information from the user or to provide information. It is a type of window but not the general term for the rectangular area that displays content.
Option D: A window is the correct term for the rectangular area on a computer screen that displays a program, data, and/or information.

Mnemonic: Window = Widescreen Window of Information

38. Which is the best hard disk seek time?

Correct Answer: Correct answer is: (D) 5ms.

Exam Relevance: GRE, GMAT, IT Certification Exams

Difficulty: Easy

Concept notes: The seek time of a hard disk is the time it takes for the read/write head to move to the correct track on the disk. It is measured in milliseconds (ms).

Common Mistakes: Students may confuse seek time with other hard disk performance metrics such as rotational latency or transfer rate.

Explanations: The seek time of a hard disk is measured in milliseconds (ms). The option "5ms" is the only one that uses the correct unit of measurement for seek time. The other options use units that are not relevant to seek time: "px" is a unit of length, "em" is a unit of length in typography, and "mw" is not a standard unit.

Option Analysis:

Option A: 45px is a unit of length, not a unit of time.
Option B: 5em is a unit of length in typography, not a unit of time.
Option C: 10mw is not a standard unit and does not represent time.
Option D: 5ms is the correct unit for seek time, measured in milliseconds.

39. UDP has which two of the following characteristics? (choose two)

Correct Answer: Correct answer is: (D) Only (A) & (B).

Exam Relevance: CCNA, CISSP, CompTIA Network+

Difficulty: Easy

Concept notes: UDP (User Datagram Protocol) is a connectionless protocol that does not guarantee data delivery and uses IP protocol number 17.

Common Mistakes: Students may mistakenly believe UDP is connection-oriented like TCP, which provides reliability.

Explanations: UDP is a connectionless protocol, meaning it does not establish a connection before sending data, and it does not guarantee data delivery. UDP uses IP protocol number 17, which is a standard identifier for UDP packets in the IP header. Therefore, options (A) and (B) are correct.

Option Analysis:

Option A: UDP does not guarantee data delivery, which is a characteristic of connectionless protocols.
Option B: UDP uses IP protocol number 17, which is a standard identifier for UDP packets.
Option C: UDP is not connection-oriented; it is connectionless, meaning it does not establish a connection before sending data.
Option D: This option correctly identifies that only (A) and (B) are correct.

40. In computer In which MS-Excel to view a cell comment

Correct Answer: Correct answer is: (C) Position the mouse pointer over the cell.

Exam Relevance: Microsoft Office Specialist, High School Computer Science Exams

Difficulty: Easy

Concept notes: In Microsoft Excel, cell comments are small notes or explanations that can be attached to a cell. To view a cell comment, you simply need to position the mouse pointer over the cell that contains the comment.

Common Mistakes: Students may mistakenly believe that they need to click on a specific menu or command to view a cell comment, rather than simply hovering the mouse over the cell.

Explanations: In Microsoft Excel, cell comments are displayed automatically when the mouse pointer is positioned over a cell that contains a comment. This feature allows users to quickly view additional information or notes associated with a specific cell without needing to click any additional commands or menus.

Option Analysis:

Option A: Clicking the edit comment command on the Insert menu is not the correct method to view a cell comment. This command is used to edit an existing comment, not to view it.
Option B: The Display comment command on the window menu does not exist in Excel. This is an incorrect option.
Option C: Positioning the mouse pointer over the cell is the correct method to view a cell comment in Excel.
Option D: This option is incorrect as the correct method is provided in Option C.

Mnemonic: Hover to See, Not Click

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3 thoughts on “Information and Communication Technology MCQ - Set 4”

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 4”

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