Information and Communication Technology MCQ

711. The combination of title, text or content place holders and the arrangement on a slide is called.....

Correct Answer: Correct answer is: (C) Slide Layout.

Exam Relevance: Microsoft PowerPoint Certification, High School Computer Science Exams

Difficulty: Easy

Concept notes: A slide layout in presentation software like Microsoft PowerPoint defines the arrangement of elements such as titles, text, and content placeholders on a slide.

Common Mistakes: Students may confuse slide layout with design template, which refers to the overall theme and design elements of a presentation.

Explanations: The combination of title, text, and content placeholders arranged on a slide is known as a slide layout. This layout determines the structure and placement of elements on the slide, making it distinct from a design template, which focuses on the visual theme and style.

Option Analysis:

Option A: An object refers to individual elements like text boxes, images, or shapes, not the overall arrangement of placeholders.
Option B: A design template refers to the overall theme and design elements of a presentation, not the arrangement of placeholders on a slide.
Option C: A slide layout defines the arrangement of title, text, and content placeholders on a slide, making it the correct answer.
Option D: Since only one option correctly defines the combination of placeholders and arrangement, this option is incorrect.

712. In E-R diagram, relationship type is represented by.....

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

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

Difficulty: Easy

Concept notes: In an E-R diagram, entities are represented by rectangles, attributes by ovals, and relationships by diamonds.

Common Mistakes: Students may confuse the shapes used for entities, attributes, and relationships in an E-R diagram.

Explanations: In an E-R diagram, relationships are depicted using a diamond shape. This is a standard convention in database design to visually distinguish relationships from entities and attributes.

Option Analysis:

Option A: Rectangles are used to represent entities in an E-R diagram, not relationships.
Option B: Diamonds are used to represent relationships in an E-R diagram, which is the correct answer.
Option C: This option is incorrect as relationships are specifically represented by diamonds.
Option D: This option is incorrect as only diamonds are used to represent relationships.

Mnemonic: Diamonds for Dances (D for Diamonds, D for Dances, representing relationships)

713. A(n).....converts all the source code into machine code, creating an executable file.

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

Exam Relevance: Computer Science, Programming Fundamentals, Software Engineering

Difficulty: Easy

Concept notes: A compiler is a program that translates source code written in a high-level programming language into machine code, which can be directly executed by a computer.

Common Mistakes: Students may confuse a compiler with an interpreter, which translates and executes source code line by line, rather than converting the entire source code into machine code at once.

Explanations: A compiler takes the entire source code and converts it into machine code, creating an executable file. This process is done in one go, making the compiled program run faster compared to interpreted programs. An assembler, on the other hand, translates assembly language into machine code, and an interpreter executes source code directly without creating an intermediate machine code file.

Option Analysis:

Option A: Correct. A compiler converts the entire source code into machine code, creating an executable file.
Option B: Incorrect. An assembler translates assembly language into machine code, not high-level source code.
Option C: Incorrect. An interpreter executes source code directly, line by line, without creating an executable file.
Option D: Incorrect. This option is not applicable as the correct answer is provided by option A.

714. Components of computer system are?

Correct Answer: Correct answer is: (D) Both A and B.

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: A computer system consists of both hardware and software components.

Common Mistakes: Students may mistakenly think that only hardware or only software constitutes a computer system.

Explanations: A computer system is composed of two main components: hardware and software. Hardware refers to the physical parts of the computer, such as the CPU, memory, and storage devices. Software, on the other hand, includes the programs and data that run on the hardware. Both are essential for the computer to function properly.

Option Analysis:

Option A: Hardware is a component of a computer system, but it is not the only component.
Option B: Software is also a component of a computer system, but it is not the only component.
Option C: Applications are a type of software, but they do not encompass all components of a computer system.
Option D: Both hardware and software are necessary components of a computer system.

Mnemonic: HARDWARE + SOFTWARE = COMPLETE SYSTEM

715. Which component is the brain of the computer?

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

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: The CPU (Central Processing Unit) is often referred to as the brain of the computer because it performs most of the processing tasks and controls the operations of the computer.

Common Mistakes: Students may confuse the CPU with other components like RAM or the motherboard, which also play crucial roles but do not perform the primary processing functions.

Explanations: The CPU is responsible for executing instructions and performing calculations. It processes data and controls the flow of information between other components. This makes it the central component that directs and coordinates the operations of the computer, hence the term "brain."

Option Analysis:

Option A: Correct. The CPU is the brain of the computer as it performs the primary processing tasks.
Option B: Incorrect. RAM (Random Access Memory) is used for temporary storage and does not perform processing tasks.
Option C: Incorrect. The hard drive is used for long-term storage and does not perform processing tasks.
Option D: Incorrect. The motherboard is a circuit board that connects and allows communication between components but does not perform processing tasks.

716. Which one is not a system tool?

Correct Answer: Correct answer is: (C) Virus scanning.

Exam Relevance: AP Computer Science Principles, CompTIA A+

Difficulty: Easy

Concept notes: System tools are utilities provided by the operating system to manage and maintain the computer's hardware and software. Examples include backup and disk defragmentation. Virus scanning, while important, is typically provided by third-party software and not considered a core system tool.

Common Mistakes: Students may confuse virus scanning with system tools because it is a common utility used on computers. However, it is not a built-in system tool provided by the operating system.

Explanations: System tools are utilities that are part of the operating system and are used for managing and maintaining the computer. Backup and disk defragmentation are examples of system tools. Virus scanning, on the other hand, is typically provided by third-party software and is not a built-in system tool.

Option Analysis:

Option A: Backup is a system tool used to create copies of data for recovery purposes.
Option B: Disk defragmentation is a system tool used to optimize the storage of files on a hard drive.
Option C: Virus scanning is not a system tool; it is a security feature provided by third-party software.
Option D: This option is incorrect because not all of the above are system tools.

717. All IT systems must at least have.....

Correct Answer: Correct answer is: (D) All of the above.

Exam Relevance: CISSP, CompTIA A+, CCNA

Difficulty: Easy

Concept notes: All IT systems must have input, processing, and output components to function effectively.

Common Mistakes: Students may overlook the necessity of all three components, thinking that only one or two are required.

Explanations: IT systems require input to receive data, processing to manipulate or transform the data, and output to present the results. Each component is essential for the system to operate as intended.

Option Analysis:

Option A: Input is necessary for IT systems to receive data.
Option B: Output is necessary for IT systems to present results.
Option C: Processing is necessary for IT systems to manipulate data.
Option D: All of the above components are required for an IT system to function.

Mnemonic: IPO: Input, Process, Output

718. In the formula, which symbol specifies the fixed columns or rows?

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

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: The dollar sign ($) is used in spreadsheet formulas to fix a reference to a specific cell, row, or column.

Common Mistakes: Students often confuse the dollar sign ($) with other symbols like asterisk (*) or percent (%), which have different functions in formulas.

Explanations: In spreadsheet formulas, the dollar sign ($) is used to create an absolute reference. This means that when a formula is copied to another cell, the reference to the cell, row, or column with the dollar sign remains fixed. For example, $A$1 will always refer to cell A1, regardless of where the formula is copied.

Option Analysis:

Option A: The dollar sign ($) is the correct symbol used to fix columns or rows in formulas.
Option B: The asterisk (*) is used for multiplication in formulas, not for fixing references.
Option C: The percent sign (%) is used to format numbers as percentages, not for fixing references.
Option D: The ampersand (&) is used to concatenate strings, not for fixing references.

Mnemonic: Dollar for Dollars, Fixing Formula References.

719. Data logger

Correct Answer: Correct answer is: (A) A device that automatically captures data from its surroundings over a period of time. It usually uses sensors to gather the data, which is then stored on a computer for later analysis.

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

Difficulty: Easy

Concept notes: A data logger is a device designed to automatically collect and store data over time.

Common Mistakes: Students may confuse a data logger with other devices like optical storage devices or network devices.

Explanations: A data logger is a device that automatically captures data from its surroundings over a period of time. It typically uses sensors to gather the data, which is then stored on a computer for later analysis. This makes it distinct from other devices like optical storage devices or network devices, which do not have the capability to automatically capture and store data over time.

Option Analysis:

Option A: Correct. This option accurately describes a data logger.
Option B: Incorrect. This option describes deprecated markup commands, which are unrelated to data logging.
Option C: Incorrect. This option describes rewritable optical storage devices, which are not related to data logging.
Option D: Incorrect. This option describes a network, which is unrelated to data logging.

Mnemonic: Data Logger: "Dataloggers Detect and Document"

720. What type of memory is not directly addressable by the CPU and requires special software called EMS?

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

Exam Relevance: AP Computer Science, A+ Certification, CompTIA A+

Difficulty: Moderate

Concept notes: Expanded memory is a type of memory that is not directly addressable by the CPU and requires special software called EMS (Expanded Memory Specification) to access.

Common Mistakes: Students may confuse expanded memory with conventional memory, which is directly accessible by the CPU.

Explanations: Expanded memory is not directly addressable by the CPU and requires EMS software to manage and access the memory. This is in contrast to conventional memory, which is directly accessible by the CPU without the need for additional software.

Option Analysis:

Option A: Correct. Expanded memory is not directly addressable by the CPU and requires EMS software.
Option B: Incorrect. Base memory is directly accessible by the CPU.
Option C: Incorrect. Conventional memory is directly accessible by the CPU.
Option D: Incorrect. This option is not applicable as the correct answer is provided.

Mnemonic: EMS for Expanded Memory, not directly CPU-accessible.

⬅ Previous SetSet 72Next Set ➡

3 thoughts on “Information and Communication Technology MCQ - Set 72”

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 72”

Leave a Reply