Information and Communication Technology MCQ

701. Full form of DBMS.....

Correct Answer: Correct answer is: (A) Data Base Management System.

Exam Relevance: GRE, GATE, TOEFL, Database Management Exams

Difficulty: Very Easy

Concept notes: DBMS stands for Data Base Management System, which is a software system that enables users to define, create, maintain, and control access to a database.

Common Mistakes: Students may confuse DBMS with other acronyms that start with "DB," such as DBA (Database Administrator).

Explanations: The full form of DBMS is Data Base Management System. This is a well-established term in the field of database management and computer science. The acronym DBMS is used to refer to software systems that manage databases, including functionalities such as data storage, retrieval, and management.

Option Analysis:

Option A: Correct. DBMS stands for Data Base Management System.
Option B: Incorrect. DBMS does not stand for Digital Base Management System.
Option C: Incorrect. This option is not applicable as the correct full form is provided in Option A.
Option D: Incorrect. This option suggests all options are correct, which is false.

702. A device that displays data that has been processed by the computer is called:

Correct Answer: Correct answer is: (C) An output device.

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: An output device is a hardware component that displays or outputs data processed by a computer.

Common Mistakes: Students may confuse output devices with input devices, which are used to input data into a computer.

Explanations: An output device is designed to present processed data to the user. Examples include monitors, printers, and speakers. These devices take the information processed by the computer and convert it into a form that can be seen, heard, or otherwise perceived by the user.

Option Analysis:

Option A: A storage device is used to save data, not to display it.
Option B: A processing device, like a CPU, processes data but does not display it.
Option C: An output device is the correct choice as it displays processed data.
Option D: An input device, such as a keyboard or mouse, is used to input data into the computer, not to display it.

703. Employed to connect a LAN to an internet connection.

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

Exam Relevance: CCNA, CompTIA Network+, CISSP

Difficulty: Moderate

Concept notes: A router is a device that connects multiple networks, including a LAN to the internet.

Common Mistakes: Students may confuse a router with a switch or hub, which are used for connecting devices within a single network.

Explanations: A router is employed to connect a LAN to an internet connection because it can route data packets between different networks. It has the capability to connect multiple networks and facilitate communication between them, including connecting a LAN to the internet. Hubs and switches, on the other hand, are primarily used for connecting devices within a single network and do not have the routing capabilities required to connect to the internet.

Option Analysis:

Option A: A hub is a simple networking device that connects multiple devices on a single network but does not have routing capabilities.
Option B: A switch is a more advanced device than a hub, used for connecting devices within a single network, but it also lacks the ability to connect to the internet.
Option C: A router is the correct choice as it can connect a LAN to the internet by routing data packets between different networks.
Option D: A server is a computer system that provides services to other computers on a network but does not have the routing capabilities required to connect a LAN to the internet.

Mnemonic: Routers Route, Switches Switch, Hubs Hub, Servers Serve.

704. A ..... ..... is anything that puts computer information at risk.

Correct Answer: Correct answer is: (A) Security threat.

Exam Relevance: AP Computer Science Principles, CompTIA Security+, CISSP

Difficulty: Easy

Concept notes: A security threat is any potential danger that could compromise the integrity, confidentiality, or availability of computer information.

Common Mistakes: Students may confuse a security threat with a file management system or a system management tool, which are not directly related to risks to computer information.

Explanations: A security threat is the correct answer because it directly addresses anything that can put computer information at risk. File management systems and system management tools are not inherently threats; they are tools used to organize and manage computer systems.

Option Analysis:

Option A: Correct. A security threat is anything that can compromise computer information.
Option B: Incorrect. A file management system is a tool for organizing files, not a risk to information.
Option C: Incorrect. A system management tool is used to manage system operations, not a risk to information.
Option D: Incorrect. None of the above is not applicable since Option A is correct.

705. During 2020 to 2022 school used computer apps to teach kids what was the most used app for school ?

Correct Answer: Correct answer is: (B) Zoom.

Exam Relevance: SAT, ACT, AP Exams

Difficulty: Moderate

Concept notes: Zoom was widely adopted by educational institutions during the pandemic for virtual classroom sessions.

Common Mistakes: Students might confuse Zoom with other communication platforms like Discord or Gmail, which are not primarily used for educational purposes.

Explanations: Zoom was the most used app for school during 2020 to 2022 due to its robust video conferencing features, screen sharing capabilities, and ease of use for both teachers and students. It provided a reliable platform for conducting live classes, virtual meetings, and interactive learning sessions, making it the preferred choice over other apps.

Option Analysis:

Option A: Discord is primarily a communication platform for gamers and is not typically used for educational purposes.
Option B: Zoom was widely adopted by schools for virtual classroom sessions due to its comprehensive features for online teaching.
Option C: Gmail is an email service and does not offer the video conferencing capabilities required for virtual classrooms.
Option D: Other apps did not gain as much traction in educational settings as Zoom did during the specified period.

Mnemonic: ZOOM = Zoom Offers Online Meetings

706. When presenting the results of an investigating a technological design, the presenter.....

Correct Answer: Correct answer is: (D) Should use appropriate presentation technologies that are available.

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Moderate

Concept notes: Effective communication of technological design results requires the use of appropriate presentation technologies to convey information clearly and effectively.

Common Mistakes: Students may mistakenly believe that using only one type of technology or avoiding technology altogether is the best approach.

Explanations: Using appropriate presentation technologies allows for a more engaging and comprehensive presentation of the technological design results. This can include the use of digital tools, diagrams, charts, and other visual aids that help in explaining complex ideas and data. The key is to select the technologies that best suit the content and audience, ensuring clarity and effectiveness.

Option Analysis:

Option A: Using color in a presentation can enhance understanding and engagement, so this option is incorrect.
Option B: Limiting the presentation to only poster board is too restrictive and does not utilize available technologies effectively.
Option C: Limiting the number of diagrams to three is arbitrary and does not ensure effective communication of the results.
Option D: This option correctly suggests using appropriate presentation technologies that are available to effectively communicate the results.

Mnemonic: TechTalk: Use Tech to Talk

707. The magnetic storage chips used to provide nonvolatile direct access storage of data and that have no moving parts are known as

Correct Answer: Correct answer is: (D) Magnetic bubble memory.

Exam Relevance: Computer Architecture, Digital Electronics, Computer Science Exams

Difficulty: Moderate

Concept notes: Magnetic bubble memory is a type of nonvolatile memory that uses magnetic domains to store data without any moving parts.

Common Mistakes: Students may confuse magnetic bubble memory with other types of magnetic storage like magnetic core memory or magnetic disk memory, which do not fit the criteria of having no moving parts.

Explanations: Magnetic bubble memory is a form of nonvolatile storage that uses magnetic domains, known as bubbles, to store data. These bubbles are moved around the memory medium using magnetic fields, but there are no mechanical moving parts involved in the storage process. This makes it distinct from other magnetic storage technologies like magnetic core memory or magnetic disk memory, which typically involve some form of mechanical movement. Therefore, magnetic bubble memory is the correct answer as it meets the criteria of being a nonvolatile direct access storage with no moving parts.

Option Analysis:

Option A: Magnetic core memory uses a grid of ferrite cores and wires to store data, which involves mechanical components and is not nonvolatile in the same way as magnetic bubble memory.
Option B: Magnetic tape memory relies on a magnetic tape that moves past read/write heads, which involves moving parts.
Option C: Magnetic disk memory uses rotating disks and moving read/write heads, which also involves moving parts.
Option D: Magnetic bubble memory uses magnetic domains to store data without any moving parts, making it the correct answer.

Mnemonic: Bubbles float, no parts move.

708. A song being played on comptuer speaker is

Correct Answer: Correct answer is: (B) Soft output.

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: The term "soft output" refers to audio or visual output that is produced by a device such as a computer speaker, which does not involve physical movement or tangible output.

Common Mistakes: Students may confuse "soft output" with "hard output," which refers to physical, tangible output like printed documents.

Explanations: A song being played on a computer speaker is considered soft output because it involves the production of sound waves, which are intangible and do not result in any physical, tangible output.

Option Analysis:

Option A: Incorrect, as "hard output" refers to physical, tangible output, not audio.
Option B: Correct, as "soft output" refers to audio or visual output that is intangible.
Option C: Incorrect, as the output is exclusively soft, not both hard and soft.
Option D: Incorrect, as the output is clearly soft, not neither.

709. In Access to Refresh the contents of a Lookup field (Lookup field: A field, used on a form or report in an Access database, that either displays a list of values retrieved from a table or query, or stores a static set of values.) list box or combo box

Correct Answer: Correct answer is: (D) F9.

Exam Relevance: Microsoft Office Specialist, CompTIA A+, Database Management Exams

Difficulty: Moderate

Concept notes: In Microsoft Access, the F9 key is used to refresh the contents of a lookup field, such as a list box or combo box, to ensure that the most current data is displayed.

Common Mistakes: Students may mistakenly believe that other keys like F4 or ALT+DOWN ARROW are used to refresh lookup fields, as these keys have different functions in Access.

Explanations: The F9 key is specifically designed to refresh the contents of a lookup field in Access. This ensures that the list box or combo box displays the most up-to-date information from the underlying data source. Other keys like F4 or ALT+DOWN ARROW have different functionalities, such as opening the Find and Replace dialog or navigating through a list, respectively.

Option Analysis:

Option A: F4 or ALT+DOWN ARROW are not used to refresh lookup fields. F4 opens the Find and Replace dialog, and ALT+DOWN ARROW navigates through a list.
Option B: DOWN ARROW is used for navigation within a list, not for refreshing the contents of a lookup field.
Option C: PAGE DOWN is used for scrolling through a list, not for refreshing the contents of a lookup field.
Option D: F9 is the correct key to refresh the contents of a lookup field in Access.

Mnemonic: F9 for Fresh: Remember F9 to refresh the lookup field for the freshest data.

710. Applet runs inside the browser and works at..... side.

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

Exam Relevance: Computer Science Exams, Programming Exams, Web Development Exams

Difficulty: Easy

Concept notes: An applet is a small program that runs within a web browser. It operates on the client side, meaning it executes on the user's computer rather than on a remote server.

Common Mistakes: Students may confuse the client side with the server side, where server-side scripts run on the web server.

Explanations: Applets are designed to run within the context of a web browser on the user's local machine. This means they operate on the client side, which is the user's computer. The client side is where the user interacts with the web page and where the applet performs its tasks.

Option Analysis:

Option A: Correct. Applets run on the client side.
Option B: Incorrect. "Primary" is not a relevant term in this context.
Option C: Incorrect. "All of these" is not applicable as only the client side is correct.
Option D: Incorrect. "None of these" is not correct since the client side is the correct answer.

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3 thoughts on “Information and Communication Technology MCQ - Set 71”

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 71”

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