Information and Communication Technology MCQ

891. .....provides field for entering or comment of any length.

Correct Answer: Correct answer is: (C) Memo field.

Exam Relevance: AP Computer Science, IB Computer Science, SAT Subject Test in Computer Science

Difficulty: Easy

Concept notes: A memo field is used to store text of any length, making it suitable for entering comments or notes.

Common Mistakes: Students may confuse memo fields with other text fields like text or string fields, which have character limits.

Explanations: A memo field is designed to store large amounts of text, making it ideal for comments or notes of any length. This distinguishes it from other field types that have character limitations.

Option Analysis:

Option A: A counter field is used to count occurrences, not for text entry.
Option B: A logical field is used for true/false or yes/no values, not for text.
Option C: A memo field is used for storing text of any length, making it suitable for comments.
Option D: A date field is used for storing dates, not for text entry.

892. What best describes the ultimate goal of having proper security management systems and processes in an organization?

Correct Answer: Correct answer is: (A) Protect the company assets.

Exam Relevance: CISSP, CISM, CompTIA Security+

Difficulty: Moderate

Concept notes: The ultimate goal of security management systems and processes is to safeguard the company's assets from various threats and vulnerabilities.

Common Mistakes: Students may mistakenly believe that the goal is to eliminate all security risks or remove all vulnerabilities, which is not feasible in practice.

Explanations: The primary objective of security management systems and processes is to protect the company's assets, including physical, digital, and intellectual property. While ensuring the effectiveness of security controls and addressing vulnerabilities are important, they are means to achieve the overarching goal of asset protection. Eliminating all security risks is not a realistic goal due to the ever-evolving nature of threats.

Option Analysis:

Option A: This is the correct answer as it aligns with the primary goal of security management.
Option B: Ensuring the effectiveness of security controls is a component of security management but not the ultimate goal.
Option C: Eliminating all security risks is not a realistic goal and is not the primary objective of security management.
Option D: Removing all vulnerabilities is also not a feasible goal and is not the ultimate aim of security management.

893. ..... is a database in which data is organized in the form of trees with nodes.

Correct Answer: Correct answer is: (A) Hierarchical Database.

Exam Relevance: Database Management Systems, Computer Science Exams, Information Systems Exams

Difficulty: Easy

Concept notes: Hierarchical databases organize data in a tree-like structure with parent-child relationships.

Common Mistakes: Students may confuse hierarchical databases with relational databases, which use tables and relationships.

Explanations: Hierarchical databases store data in a tree-like structure where each node can have multiple child nodes but only one parent node. This structure is similar to a file system where directories and subdirectories form a hierarchy. The correct answer is Hierarchical Database because it accurately describes a database where data is organized in a tree-like structure.

Option Analysis:

Option A: Correct. Hierarchical databases use a tree-like structure.
Option B: Incorrect. Relational databases use tables and relationships, not a tree structure.
Option C: Incorrect. This is not the correct answer as Hierarchical Database is the correct choice.
Option D: Incorrect. Not all options are correct; only Hierarchical Database fits the description.

Mnemonic: Tree-like structure, one parent, many children.

894. The written code that creates Web pages and links; a language all computers can read.

Correct Answer: Correct answer is: (A) HTML (Hypertext Markup Language).

Exam Relevance: AP Computer Science Principles, Web Development Exams

Difficulty: Easy

Concept notes: HTML is the standard markup language for creating web pages. It defines the structure and content of web pages.

Common Mistakes: Students may confuse HTML with CSS, which is used for styling web pages rather than structuring them.

Explanations: HTML (Hypertext Markup Language) is the language used to create web pages and links. It is a markup language that defines the structure and content of web pages. HTML is essential for creating the basic structure of a webpage, including text, images, and links. CSS, on the other hand, is used for styling and layout, not for creating the basic structure of web pages.

Option Analysis:

Option A: HTML is the correct answer as it is the language used to create web pages and links.
Option B: CSS is used for styling web pages, not for creating the basic structure and content.
Option C: Syntax refers to the rules and structure of a programming language, not a specific language used for web pages.
Option D: URL is a web address, not a language used to create web pages.

Mnemonic: HTML: HyperText Markup Language

895. ADSL data communications technology uses which of the following for faster data transmission?

Correct Answer: Correct answer is: (C) Copper telephone Lines.

Exam Relevance: CCNA, CompTIA Network+, CIW

Difficulty: Easy

Concept notes: ADSL (Asymmetric Digital Subscriber Line) technology uses existing copper telephone lines for data transmission, allowing for faster data rates than traditional voiceband modems.

Common Mistakes: Students may confuse ADSL with wireless technologies, which do not use copper lines.

Explanations: ADSL technology leverages the existing copper telephone lines to transmit data at higher speeds than traditional voiceband modems. These lines are capable of carrying higher frequency signals, which ADSL utilizes to achieve faster data transmission rates. Voiceband modems and wireless modems do not use the same infrastructure for data transmission.

Option Analysis:

Option A: Voiceband modems use lower frequency ranges and are not capable of the high-speed data transmission that ADSL provides.
Option B: Wireless modems use radio frequencies and do not rely on copper telephone lines.
Option C: Copper telephone lines are the correct medium for ADSL data transmission, as they can carry higher frequency signals for faster data rates.
Option D: Sockets are not a medium for data transmission; they are physical connectors for devices.

Mnemonic: Copper for ADSL, not wireless or voice.

896. ..... is a type of surveillance technology used to monitor and record each keystroke typed on a specific computer's keyboard.

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

Exam Relevance: CISSP, CompTIA Security+, CEH

Difficulty: Easy

Concept notes: A keylogger is a type of surveillance technology used to monitor and record each keystroke typed on a specific computer's keyboard.

Common Mistakes: Students may confuse keyloggers with other forms of surveillance software or hardware, such as cameras or network monitoring tools.

Explanations: Keyloggers are specifically designed to capture every keystroke made on a computer's keyboard. This makes them a powerful tool for monitoring user activity, which can be used for both legitimate and malicious purposes. The term "keylogger" directly describes this function, making it the correct answer.

Option Analysis:

Option A: Counterfeiting is related to creating fake versions of items, not to surveillance technology.
Option B: Renting is a financial transaction and not related to surveillance technology.
Option C: Keylogger is the correct term for a surveillance technology that records keystrokes.
Option D: None of these is incorrect as "Keylogger" is a valid and specific term for the described technology.

Mnemonic: Keylogger: Key + Logger = Logs every key.

897. The spelling and grammar of a programming language

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

Exam Relevance: ACM, GRE Computer Science, Programming Competitions

Difficulty: Moderate

Concept notes: In programming, syntax refers to the set of rules that defines the structure of statements and expressions in a programming language.

Common Mistakes: Students often confuse syntax with semantics, which refers to the meaning of the code rather than its structure.

Explanations: The term "syntax" in programming languages refers to the rules that govern the structure of valid statements and expressions. It encompasses the correct arrangement of symbols, keywords, and punctuation to form valid code. This is analogous to the grammar and spelling rules in natural languages, ensuring that the code is correctly formed and can be interpreted by the compiler or interpreter.

Option Analysis:

Option A: Diction refers to the choice of words in a language, which is not directly related to the structure of programming code.
Option B: Syntax is the correct term for the rules governing the structure of programming code.
Option C: Vocabulary refers to the set of words or symbols in a language, but does not encompass the rules for their arrangement.
Option D: Word wall is not a term used in programming and does not relate to the structure of code.

898. Where is a MAC address stored?

Correct Answer: Correct answer is: (B) On the NIC.

Exam Relevance: CCNA, CompTIA Network+, CIW Network Specialist

Difficulty: Easy

Concept notes: A MAC address is a unique identifier assigned to a network interface controller (NIC) for use as a network address in communications within a network segment.

Common Mistakes: Students may mistakenly believe that a MAC address is stored in the computer's memory or in a list maintained by the router.

Explanations: A MAC address is a hardware address that is permanently assigned to a network interface controller (NIC) by the manufacturer. It is stored in the hardware of the NIC and is used to uniquely identify the device on a network. The MAC address is not stored in the computer's memory, nor is it maintained in a list by the router.

Option Analysis:

Option A: Incorrect. The MAC address is not stored in the computer's memory.
Option B: Correct. The MAC address is stored on the NIC.
Option C: Incorrect. The router does not maintain a list of MAC addresses; it uses them for communication but does not store them.
Option D: Incorrect. The Internet does not store MAC addresses; they are used at the local network level.

Mnemonic: NIC MAC, NIC MAC, Network Interface Controller's MAC.

899. A problem solving approach to find a satisfactory solution where finding an optimal or exact solution is impossible (for example, with compression) is called .....

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

Exam Relevance: Computer Science Exams, Artificial Intelligence Exams, Data Structures and Algorithms Exams

Difficulty: Moderate

Concept notes: A heuristic is a problem-solving approach that uses practical methods to find a satisfactory solution, even if it is not guaranteed to be the optimal or exact solution.

Common Mistakes: Students may confuse heuristic with other problem-solving methods like algorithms, which are designed to find exact solutions.

Explanations: A heuristic approach is used when finding an optimal or exact solution is impractical or impossible. It focuses on finding a satisfactory solution through practical methods, which aligns with the context of the question. Heuristics are often used in scenarios like data compression, where an exact solution may not be feasible or necessary.

Option Analysis:

Option A: Simplistic approaches are too basic and do not necessarily involve practical methods to find a satisfactory solution.
Option B: Heuristic is the correct term for a problem-solving approach that uses practical methods to find a satisfactory solution.
Option C: Abstraction involves simplifying complex systems, but it does not specifically refer to a problem-solving approach for finding satisfactory solutions.
Option D: None of the above is incorrect because heuristic is a valid and appropriate term for the described problem-solving approach.

900. Which of these components is internal to a computer and is required to connect the computer to a network?

Correct Answer: Correct answer is: (B) Network Interface card.

Exam Relevance: CCNA, CompTIA A+, Network+

Difficulty: Easy

Concept notes: A network interface card (NIC) is an internal hardware component that allows a computer to connect to a network.

Common Mistakes: Students may confuse external networking devices like wireless access points, switches, or hubs with internal components.

Explanations: A network interface card (NIC) is an internal component of a computer that enables it to connect to a network. It is required for the computer to communicate with other devices on the network. The other options (Wireless Access Point, Switch, Hub) are external networking devices and are not internal to the computer.

Option Analysis:

Option A: A Wireless Access Point is an external device that provides wireless network access.
Option B: A Network Interface Card is an internal component that connects the computer to a network.
Option C: A Switch is an external device that connects multiple devices on a network.
Option D: A Hub is an external device that connects multiple devices on a network.

Mnemonic: NIC for Network Inside Computer

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3 thoughts on “Information and Communication Technology MCQ - Set 90”

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 90”

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