Information and Communication Technology MCQ

331. In Microsoft PowerPoint any and every command can be found on the

Correct Answer: Correct answer is: (D) Menu bar.

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

Difficulty: Easy

Concept notes: In Microsoft PowerPoint, the Menu bar contains all the commands and options available in the software.

Common Mistakes: Students may mistakenly believe that the Drawing toolbar, Formatting toolbar, or Standard toolbar contains all commands, but these toolbars are more specialized and do not encompass every command.

Explanations: The Menu bar in Microsoft PowerPoint is the primary location where all commands and options are accessible. It includes various menus such as File, Edit, View, Insert, and more, each containing specific commands. The other toolbars (Drawing, Formatting, Standard) are supplementary and provide quick access to frequently used commands but do not include every command available in the software.

Option Analysis:

Option A: The Drawing toolbar is used for drawing and editing shapes, not for all commands.
Option B: The Formatting toolbar is used for formatting text and objects, not for all commands.
Option C: The Standard toolbar contains common commands but not all commands.
Option D: The Menu bar contains all commands and options in PowerPoint.

332. In Ethernet CSMA/CD, the special bit sequence transmitted by media access management collision handling is called

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

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

Difficulty: Moderate

Concept notes: In Ethernet CSMA/CD, a jam signal is a special bit sequence transmitted to notify all stations on the network that a collision has occurred.

Common Mistakes: Students often confuse the jam signal with the preamble or postamble, which are used for synchronization and frame delimiting, respectively.

Explanations: When a collision is detected in an Ethernet network using CSMA/CD, a jam signal is transmitted. This jam signal is a specific bit sequence that informs all stations on the network that a collision has occurred. The jam signal allows the network to handle the collision by ensuring that all stations are aware and can take appropriate action, such as waiting for a random period before attempting to retransmit.

Option Analysis:

Option A: The preamble is a sequence of bits used for synchronization and is not related to collision handling.
Option B: The postamble is used to mark the end of a frame and is not related to collision handling.
Option C: The jam signal is the correct answer as it is the special bit sequence used to handle collisions in Ethernet CSMA/CD.
Option D: This option is incorrect as the jam signal is the correct answer.

Mnemonic: JAM: Just Alerting Machines

333. What option does not contain a security risk?

Correct Answer: Correct answer is: (C) A new unconfigured router that is not connected to the network.

Exam Relevance: CISSP, CompTIA Security+, CEH

Difficulty: Easy

Concept notes: A new unconfigured router that is not connected to the network does not pose a security risk because it is isolated and not accessible to potential attackers.

Common Mistakes: Students may mistakenly believe that any new device poses a security risk, regardless of its configuration or connectivity status.

Explanations: A new unconfigured router that is not connected to the network is not accessible to any external threats. Since it is not connected, it cannot be exploited or attacked. Therefore, it does not present a security risk.

Option Analysis:

Option A: A service deployed in the cloud can be vulnerable to various security threats, such as unauthorized access or data breaches.
Option B: Data backed up on a USB drive can be lost, stolen, or accessed by unauthorized individuals, posing a security risk.
Option C: A new unconfigured router that is not connected to the network is isolated and not accessible to potential attackers, thus not posing a security risk.
Option D: An old hard drive that is about to be scrapped can still contain sensitive data that could be recovered, posing a security risk.

334. A single pole, single throw switch with one common line and one output line is

Correct Answer: Correct answer is: (D) SPST switch.

Exam Relevance: Physics exams, Electronics exams, Basic Electrical Engineering exams

Difficulty: Easy

Concept notes: A single pole, single throw (SPST) switch has one input (common line) and one output (output line). It can either be in an open or closed position, allowing or preventing the flow of current.

Common Mistakes: Students may confuse SPST with SPDT (single pole, double throw), which has one common line and two output lines.

Explanations: The correct answer is SPST switch because it has one common line and one output line, fitting the description of a single pole, single throw switch. This type of switch can only make or break a single circuit.

Option Analysis:

Option A: Star bit is not a type of switch; it is a type of drill bit.
Option B: Switch circuit is a general term and not specific to the configuration described.
Option C: SPDT switch has one common line and two output lines, which does not match the description.
Option D: SPST switch has one common line and one output line, which matches the description.

335. ..... are built around special program flow constructs called conditional statements.

Correct Answer: Correct answer is: (A) Selection structures.

Exam Relevance: Computer Science Fundamentals, Programming Exams, Data Structures and Algorithms

Difficulty: Easy

Concept notes: Selection structures are programming constructs that allow the execution of different paths based on certain conditions.

Common Mistakes: Students may confuse selection structures with repetition structures, which are used for looping.

Explanations: Selection structures, such as if-else statements, are built around conditional statements that determine which path of code to execute based on whether a condition is true or false. This makes them distinct from repetition structures, which are used for looping and do not primarily rely on conditional statements to determine their flow.

Option Analysis:

Option A: Correct. Selection structures are indeed built around conditional statements.
Option B: Incorrect. Repetition structures are not built around conditional statements, but rather around looping constructs.
Option C: Incorrect. This option is not applicable as selection structures are the correct answer.
Option D: Incorrect. This option is not applicable as selection structures are the correct answer.

336. Software designed to help analyse, configure, optimise or maintain a computer.

Correct Answer: Correct answer is: (B) Utility Software.

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: Utility software is designed to help analyze, configure, optimize, or maintain a computer. It includes tools like disk cleaners, defragmenters, and system monitors.

Common Mistakes: Students may confuse utility software with application software, which is designed to perform specific tasks for the user, such as word processing or web browsing.

Explanations: Utility software is specifically designed to help analyze, configure, optimize, or maintain a computer. This includes tasks such as disk cleanup, system monitoring, and performance tuning. Application software, on the other hand, is designed to perform specific tasks for the user, such as word processing or web browsing. Therefore, the correct answer is Utility Software.

Option Analysis:

Option A: Application Software is designed to perform specific tasks for the user, such as word processing or web browsing, not to maintain or optimize the computer itself.
Option B: Utility Software is designed to help analyze, configure, optimize, or maintain a computer, which matches the description given in the question.
Option C: This option is incorrect because the question specifically asks for software designed to maintain or optimize the computer, which is the role of utility software, not application software.
Option D: This option is incorrect because utility software fits the description given in the question.

337. A world wide web contains web pages.

Correct Answer: Correct answer is: (D) Residing in many computers linked together using HTML.

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

Difficulty: Moderate

Concept notes: The World Wide Web consists of web pages that are stored on various computers around the world and are interconnected through hyperlinks, which are created using HTML (Hypertext Markup Language).

Common Mistakes: Students may overlook the importance of HTML in linking web pages together, focusing only on the fact that web pages reside on multiple computers.

Explanations: The World Wide Web is a system of interlinked hypertext documents accessed via the Internet. These documents, or web pages, are stored on different computers (servers) worldwide. HTML is the standard markup language used to create these web pages and to establish links between them. Therefore, the correct answer is that web pages reside in many computers and are linked together using HTML.

Option Analysis:

Option A: This option is partially correct but incomplete as it does not mention the linking aspect.
Option B: This option is also partially correct but does not address the distributed nature of web pages across multiple computers.
Option C: This option is partially correct but does not mention the role of HTML in linking the web pages.
Option D: This option is the most comprehensive, correctly identifying both the distributed nature of web pages and the use of HTML to link them together.

338. Which of the following backup options are considered removable media?

Correct Answer: Correct answer is: (A) USB flash drives.

Exam Relevance: IT Essentials, CompTIA A+

Difficulty: Easy

Concept notes: Removable media refers to storage devices that can be easily removed from a computer or other device. USB flash drives are a common example of removable media.

Common Mistakes: Students may confuse NAS devices or local SATA drives as removable media, but these are typically fixed or network-attached storage solutions.

Explanations: USB flash drives are considered removable media because they can be easily inserted and removed from a computer's USB port. NAS devices and local SATA drives are not considered removable media as they are typically fixed in place or connected to a network. Cloud storage is not physical media and thus not considered removable.

Option Analysis:

Option A: USB flash drives are removable media as they can be easily inserted and removed from a computer.
Option B: NAS devices are not considered removable media as they are typically fixed in place or connected to a network.
Option C: Cloud storage is not physical media and thus not considered removable.
Option D: Local SATA drives are not considered removable media as they are typically fixed in place within a computer.

Mnemonic: USB = Unpluggable Storage Box

339. IBM System/360 is

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

Exam Relevance: Computer Science, Information Technology, Engineering

Difficulty: Easy

Concept notes: The IBM System/360 is a series of mainframe computers that were introduced in 1964. Mainframe computers are large, powerful systems designed for high-volume, mission-critical applications.

Common Mistakes: Students may confuse the IBM System/360 with other types of computers, such as mini or microcomputers, which are smaller and less powerful.

Explanations: The IBM System/360 is classified as a mainframe computer because it was designed to handle large-scale computing tasks, such as processing large volumes of data and supporting multiple users simultaneously. This aligns with the characteristics of mainframe computers, which are known for their high processing power and reliability.

Option Analysis:

Option A: Correct. The IBM System/360 is a mainframe computer.
Option B: Incorrect. Mini computers are smaller and less powerful than mainframes.
Option C: Incorrect. Micro computers are even smaller and less powerful than mini computers.
Option D: Incorrect. The IBM System/360 is a well-defined category of mainframe computers.

340. An attribute in database is also known as

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

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

Difficulty: Easy

Concept notes: In database terminology, an attribute is synonymous with a field. It represents a specific piece of data within a record.

Common Mistakes: Students often confuse attributes with tuples or rows, which represent entire records rather than individual pieces of data.

Explanations: An attribute in a database is a specific piece of data that describes a characteristic of an entity. It is also known as a field. This term is used to describe the columns in a table, where each column represents a different attribute or field of the data.

Option Analysis:

Option A: A tuple represents a complete record or row in a database table, not an individual piece of data.
Option B: A relation is a set of tuples, representing a table in a database, not an individual piece of data.
Option C: A row represents a complete record in a database table, not an individual piece of data.
Option D: A field is the correct term for an attribute, which represents a specific piece of data within a record.

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3 thoughts on “Information and Communication Technology MCQ - Set 34”

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 34”

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