Information and Communication Technology MCQ

571. What should you select in order to access additional options for formatting a table?

Correct Answer: Correct answer is: (D) Table Properties.

Exam Relevance: Microsoft Office Specialist, Adobe Certified Associate, Google Workspace Certification

Difficulty: Moderate

Concept notes: Table Properties provides additional options for formatting a table, such as adjusting row and column dimensions, setting borders, and applying shading.

Common Mistakes: Students may mistakenly choose "Table" as it is a common option, but it does not provide the detailed formatting options that "Table Properties" does.

Explanations: To access additional options for formatting a table, you should select "Table Properties." This option allows for detailed customization of the table's appearance, including adjusting row and column dimensions, setting borders, and applying shading. The other options do not provide the same level of detailed formatting capabilities.

Option Analysis:

Option A: Paragraph Styles are used for formatting text within paragraphs, not for table formatting.
Option B: The "Table" option may be a starting point for table-related actions, but it does not provide the detailed formatting options found in "Table Properties."
Option C: Preferences are used for setting general application preferences, not for specific table formatting.
Option D: Table Properties provides the detailed formatting options needed for table customization.

572. What term is used to describe an individual position of an element in an array?

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

Exam Relevance: CS101, Data Structures, Programming Fundamentals

Difficulty: Easy

Concept notes: An index is a numerical value that represents the position of an element within an array.

Common Mistakes: Students may confuse the term "index" with "pointer," which is a variable that stores the memory address of another variable.

Explanations: In an array, each element is stored at a specific position, and this position is identified by an index. The index is a non-negative integer that starts from 0 and increases sequentially. Therefore, the term "index" is used to describe the individual position of an element in an array.

Option Analysis:

Option A: Correct. An index is the term used to describe the position of an element in an array.
Option B: Incorrect. A pointer is a variable that stores the memory address of another variable, not the position of an element in an array.
Option C: Incorrect. A variable is a storage location paired with an associated symbolic name, but it does not describe the position of an element in an array.
Option D: Incorrect. A list is a collection of items, but it does not specifically refer to the position of an element in an array.

573. The latest PC keyboards use a circuit that senses the movement by the change in its capacitance. What are these keyboards called?

Correct Answer: Correct answer is: (A) Capacitance keyboards.

Exam Relevance: IT exams, Computer Science exams, Electronics exams

Difficulty: Easy

Concept notes: Capacitance keyboards use a circuit that senses the movement of keys by detecting changes in capacitance.

Common Mistakes: Students may confuse capacitance keyboards with mechanical keyboards, which use physical switches to detect key presses.

Explanations: Capacitance keyboards operate by measuring changes in capacitance when a key is pressed. This technology allows for a more responsive and quieter typing experience compared to traditional mechanical keyboards. The correct answer is (A) Capacitance keyboards.

Option Analysis:

Option A: Correct. Capacitance keyboards use a circuit that senses the movement by the change in its capacitance.
Option B: Incorrect. Mechanical keyboards use physical switches to detect key presses, not capacitance.
Option C: Incorrect. Qwerty refers to the layout of the keyboard, not the technology used to detect key presses.
Option D: Incorrect. Dvorak refers to an alternative keyboard layout, not the technology used to detect key presses.

Mnemonic: Capacitance = Capacitor + Sensitivity

574. What is meant by virtual reality

Correct Answer: Correct answer is: (A) 3D computer generated environment.

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: Virtual reality refers to a computer-generated environment that simulates a user's physical presence in a real or imagined world.

Common Mistakes: Students may confuse virtual reality with augmented reality, which overlays digital information on the real world rather than creating a fully immersive environment.

Explanations: Virtual reality creates a 3D computer-generated environment that can be interacted with through specialized equipment such as headsets and controllers. This environment is designed to simulate a user's presence in a different world, providing a fully immersive experience. The other options do not accurately describe the concept of virtual reality.

Option Analysis:

Option A: Correct. Virtual reality involves creating a 3D computer-generated environment.
Option B: Incorrect. Providing strong security is not related to virtual reality.
Option C: Incorrect. Low-vision enhancement is a technology to assist visually impaired individuals, not related to virtual reality.
Option D: Incorrect. Computer behaving like a human refers to artificial intelligence, not virtual reality.

575. Small application programs that run on a web page and may ensure a form is completed properly or provide animation are known as.....

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

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

Difficulty: Easy

Concept notes: Applets are small application programs that can run within a web page. They are often used to perform tasks such as form validation or to provide interactive content like animations.

Common Mistakes: Students may confuse applets with other web technologies like Flash or JavaScript, which can also provide interactive content on web pages.

Explanations: Applets are specifically designed to run within a web browser and can be embedded in web pages to perform various functions. They are distinct from other technologies like Flash, which is a multimedia platform, and cookies, which are used to store user data on the client side. Spiders are used for web crawling and are not related to interactive content on web pages.

Option Analysis:

Option A: Flash is a multimedia platform used for creating animations and interactive content, but it is not the same as applets.
Option B: Spiders are used for web crawling and indexing, not for providing interactive content on web pages.
Option C: Cookies are used to store user data on the client side and do not provide interactive content.
Option D: Applets are small application programs that can run within a web page and are used for tasks like form validation and providing interactive content.

Mnemonic: A for Applets, A for Applications, A for Animation.

576. A network that is connected to the Internet, but uses encryption to scramble all the data sent through the Internet is called?

Correct Answer: Correct answer is: (B) Virtual private Network.

Exam Relevance: CISSP, CompTIA Security+, CCNA Security

Difficulty: Easy

Concept notes: A Virtual Private Network (VPN) is a network that extends a private network across a public network, such as the Internet. It enables users to send and receive data across shared or public networks as if their computing devices were directly connected to the private network.

Common Mistakes: Students may confuse a Virtual Private Network (VPN) with a regular network or a social network, as the term "network" can be misleading without context.

Explanations: A Virtual Private Network (VPN) is the correct answer because it is a network that is connected to the Internet but uses encryption to secure all data sent through it. This ensures that the data remains private and secure, even when transmitted over public networks.

Option Analysis:

Option A: "My network" is not a standard term for a network that uses encryption over the Internet.
Option B: A Virtual Private Network (VPN) is the correct term for a network that uses encryption to secure data over the Internet.
Option C: A Social Network is a platform for social interaction and does not imply encryption or secure data transmission.
Option D: "None of the above" is incorrect because a Virtual Private Network (VPN) is a valid and correct term.

577. The ..... contains the "brain", or main components of the computer.

Correct Answer: Correct answer is: (A) Computer case.

Exam Relevance: AP Computer Science Principles, CompTIA A+, GCSE Computer Science

Difficulty: Easy

Concept notes: The computer case houses the main components of a computer, including the motherboard, CPU, and other critical hardware.

Common Mistakes: Students may confuse the computer case with other components like the monitor or optical drive, which are external and do not contain the main components.

Explanations: The computer case is the enclosure that houses the motherboard, CPU, RAM, and other essential components that make up the "brain" of the computer. These components are crucial for processing data and running software, making the computer case the correct answer.

Option Analysis:

Option A: The computer case is the correct answer as it houses the main components of the computer.
Option B: The internet router is an external device that connects the computer to the internet and does not contain the main components.
Option C: The monitor is an output device that displays information and does not contain the main components.
Option D: The optical drive is a peripheral device used for reading and writing optical discs and does not contain the main components.

Mnemonic: Case = Central Assembly Space for Electronics

578. In context with Mobile telecommunication, what is the full form of CDMA?

Correct Answer: Correct answer is: (A) Code Division Multiple Access.

Exam Relevance: GATE, GRE, GMAT, JE

Difficulty: Very Easy

Concept notes: CDMA stands for Code Division Multiple Access, a digital wireless technology used in mobile telecommunications.

Common Mistakes: Students may confuse CDMA with other multiple access techniques like FDMA (Frequency Division Multiple Access) or TDMA (Time Division Multiple Access).

Explanations: CDMA is a method of multiplexing signals by assigning a unique code to each user, allowing multiple users to share the same frequency band simultaneously. This is why the full form of CDMA is Code Division Multiple Access.

Option Analysis:

Option A: Correct. CDMA stands for Code Division Multiple Access.
Option B: Incorrect. Chip Derived Multiple Access is not a recognized term in telecommunications.
Option C: Incorrect. Cordless Device Multiple Access is not a recognized term in telecommunications.
Option D: Incorrect. Carrier Device Multiple Access is not a recognized term in telecommunications.

579. What is the output when the following code is entered into Python program interpreter?(1,2,4,5)+(3,6)

Correct Answer: Correct answer is: (C) (1,2,4,5,3,6).

Exam Relevance: AP Computer Science Principles, Python Programming Exams

Difficulty: Easy

Concept notes: In Python, the '+' operator can be used to concatenate tuples.

Common Mistakes: Students might confuse the '+' operator with arithmetic addition, leading to incorrect results.

Explanations: When the '+' operator is used between two tuples in Python, it concatenates the tuples, resulting in a new tuple that contains all the elements from the first tuple followed by all the elements from the second tuple. Therefore, (1,2,4,5) + (3,6) results in (1,2,4,5,3,6).

Option Analysis:

Option A: Incorrect because it suggests the elements are sorted or combined in a different order.
Option B: Incorrect because it suggests arithmetic addition of the tuples, which is not valid.
Option C: Correct because it shows the correct concatenation of the tuples.
Option D: Incorrect because it suggests an arithmetic operation that is not valid for tuples.

Mnemonic: Tuple Plus = Concatenate

580. Sound must be converted from (what) into digital format before it can be processed

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

Exam Relevance: GCSE, A-Level, AP Physics, AP Computer Science

Difficulty: Easy

Concept notes: Sound in its natural form is an analogue signal, which must be converted into a digital format for processing by digital devices.

Common Mistakes: Students may confuse "analogue" with "audio" or "wave," as these terms are related to sound but do not specifically refer to the format that needs conversion.

Explanations: Sound in its natural form is an analogue signal, which means it is a continuous wave of varying pressure. To be processed by digital devices, this continuous signal must be converted into a digital format, which consists of discrete numerical values. This conversion process is known as digitization.

Option Analysis:

Option A: Music is a form of sound but does not refer to the format that needs conversion.
Option B: Wave refers to the physical form of sound but does not specify the format that needs conversion.
Option C: Audio is a general term for sound but does not specifically refer to the format that needs conversion.
Option D: Analogue refers to the continuous signal form of sound that must be converted into digital format for processing.

Mnemonic: A to D: Analogue to Digital

⬅ Previous SetSet 58Next Set ➡

3 thoughts on “Information and Communication Technology MCQ - Set 58”

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 58”

Leave a Reply