Information and Communication Technology MCQ

1191. It uses data compression to reduce the file size and allows still or moving images to be stored

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

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: The .GIF file format uses data compression to reduce file size and supports both still and moving images.

Common Mistakes: Students may confuse .GIF with other image formats like .JPEG or .PNG, which do not support moving images.

Explanations: The .GIF format is specifically designed to handle both still and moving images. It uses lossless data compression to reduce file size without losing image quality. This makes it suitable for storing and sharing images that may include animations or simple video clips.

Option Analysis:

Option A: .TXT files are plain text files and do not support images or data compression.
Option B: .GIF files use data compression and support both still and moving images.
Option C: .PDF files are primarily for documents and do not specialize in image compression or moving images.
Option D: .CSV files are for storing tabular data and do not support images or data compression.

Mnemonic: GIF: Great Image Format

1192. Copying, "lifting", or making slight changes to some or all of someone else's work and saying you created it

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

Exam Relevance: SAT, ACT, AP English Language and Composition

Difficulty: Easy

Concept notes: Plagiarism involves using someone else's work and claiming it as your own without proper attribution.

Common Mistakes: Students often confuse plagiarism with piracy, which involves unauthorized distribution of copyrighted material.

Explanations: Plagiarism is the act of copying, "lifting," or making slight changes to someone else's work and presenting it as your own. This matches the description given in the question. Piracy, on the other hand, involves unauthorized distribution of copyrighted material, which is not the same as claiming someone else's work as your own.

Option Analysis:

Option A: Piracy involves unauthorized distribution of copyrighted material, not claiming someone else's work as your own.
Option B: Plagiarism involves using someone else's work and claiming it as your own without proper attribution, which matches the description in the question.
Option C: Public Domain refers to works that are not protected by copyright and can be used freely, which is unrelated to the concept of plagiarism.
Option D: A License is a legal permission to use a copyrighted work, which is unrelated to the concept of plagiarism.

1193. A Compiler is a software which converts

Correct Answer: Correct answer is: (B) High level language to machine language.

Exam Relevance: CS101, COMP201, Programming Fundamentals

Difficulty: Easy

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

Common Mistakes: Students may confuse a compiler with an assembler, which translates assembly language into machine code, or with an interpreter, which executes high-level language code directly without prior compilation.

Explanations: A compiler takes high-level language code as input and converts it into machine language code. This process involves several stages such as lexical analysis, syntax analysis, semantic analysis, and code generation. The output of the compiler is an executable file that can be run on the target machine.

Option Analysis:

Option A: Characters to bits is not the function of a compiler. This is more related to encoding schemes or data representation.
Option B: This is the correct function of a compiler. It translates high-level language into machine language.
Option C: Machine language to high-level language is the function of a decompiler, not a compiler.
Option D: Words to bits is not a function of a compiler. This is more related to data encoding or representation.

1194. You opened a folder on your system that contains numerous files, all with file name extensions of .jpg, .png, and .gif. What file types are contained in your folder?

Correct Answer: Correct answer is: (C) Graphics files.

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: The file extensions .jpg, .png, and .gif are commonly associated with graphics files.

Common Mistakes: Students may confuse these file types with other multimedia files, such as audio or video files.

Explanations: The file extensions .jpg, .png, and .gif are specifically used for image files. These formats are widely used for storing and displaying graphics and images on the web and in various applications. Therefore, the files in the folder are graphics files.

Option Analysis:

Option A: Audio files use different extensions such as .mp3, .wav, or .aac.
Option B: Web page files typically use extensions like .html or .php.
Option C: Graphics files use extensions like .jpg, .png, and .gif.
Option D: Video files use extensions such as .mp4, .avi, or .mov.

Mnemonic: JPG, PNG, GIF - Just Pictures, Graphics, Images, Files.

1195. This stage turns the input into the output.

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

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

Difficulty: Easy

Concept notes: Processing is the stage where input is transformed into output.

Common Mistakes: Students may confuse processing with interpreting, which involves understanding the output rather than transforming it.

Explanations: Processing involves taking the input and transforming it into the desired output. This stage is crucial in various systems, including computer systems, where data is manipulated to produce a result.

Option Analysis:

Option A: Correct. Processing is the stage where input is transformed into output.
Option B: Incorrect. Interpreting involves understanding the output, not transforming it.
Option C: Incorrect. Compiling is a specific process in programming that translates source code into machine code, not a general term for transforming input into output.
Option D: Incorrect. Working is a broad term and does not specifically refer to the transformation of input into output.

Mnemonic: P.I.P.O. - Processing In, Processing Out

1196. What is an advantage of a LAN?

Correct Answer: Correct answer is: (A) You can save money by sharing peripherals like printers.

Exam Relevance: IT Essentials, CompTIA A+, Network+

Difficulty: Easy

Concept notes: A Local Area Network (LAN) allows multiple computers to connect and share resources, such as printers, which can reduce costs.

Common Mistakes: Students may confuse LAN with WAN (Wide Area Network) and think it can cover large geographical areas.

Explanations: A LAN allows multiple computers to connect within a limited area, such as an office or home. By sharing peripherals like printers, the need for multiple individual printers is eliminated, leading to cost savings. This is a key advantage of using a LAN.

Option Analysis:

Option A: Correct. Sharing peripherals reduces the need for multiple devices, saving money.
Option B: Incorrect. Being limited to a small area is not an advantage but a characteristic of LANs.
Option C: Incorrect. LANs are not designed to cover large geographical distances; this is a characteristic of WANs.
Option D: Incorrect. Setting up a LAN can be cost-effective, especially when sharing resources.

Mnemonic: LAN = Local Area Network = Local Savings

1197. .....is a technique that is used to send more than one call over a single line.

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

Exam Relevance: GATE, ECE, EE, Telecommunications Engineering

Difficulty: Moderate

Concept notes: Multiplexing is a technique used to send multiple signals over a single communication channel.

Common Mistakes: Students may confuse multiplexing with digitizing, which is the process of converting analog signals into digital form.

Explanations: Multiplexing allows multiple signals to be combined and transmitted over a single line, thereby increasing the efficiency of the communication channel. This technique is widely used in telecommunications to maximize the use of available bandwidth.

Option Analysis:

Option A: Infrared transmission is a method of transmitting data using infrared light, not a technique for combining multiple signals.
Option B: Digitizing is the process of converting analog signals into digital form, not a method for combining multiple signals.
Option C: Multiplexing is the correct technique used to send more than one call over a single line.
Option D: This option is incorrect as multiplexing is the correct answer.

Mnemonic: Mnemonic: "Many Paths, One Lane" (M-POL) for Multiplexing.

1198. According to Access Help, what's a good way to design a database?

Correct Answer: Correct answer is: (B) Sketch the design of your database using a pencil and paper.

Exam Relevance: AP Computer Science Principles, IB Computer Science

Difficulty: Easy

Concept notes: Sketching the design of a database using a pencil and paper is a recommended method for planning and organizing the structure of a database before implementing it in software.

Common Mistakes: Students may mistakenly believe that starting with data access pages or using automated tools is the best way to design a database, without understanding the importance of initial planning and conceptualization.

Explanations: Sketching the design of a database using a pencil and paper allows for a clear and organized visualization of the database structure. This method helps in identifying relationships between different data entities and in planning the overall schema before moving to the actual implementation. It is a foundational step in database design that ensures a well-thought-out and efficient database structure.

Option Analysis:

Option A: Starting from data access pages and working backward is not a recommended method for designing a database as it does not allow for proper planning and conceptualization of the database structure.
Option B: Sketching the design of your database using a pencil and paper is a recommended method for planning and organizing the structure of a database before implementing it in software.
Option C: Using the Table Analyzer to reverse-engineer flat source data is a tool-based approach and does not replace the need for initial planning and conceptualization of the database design.
Option D: This option is incorrect as one of the provided options (B) is indeed a good way to design a database.

Mnemonic: Draw, Plan, Sketch (DPS)

1199. Which of the following affects the performance of a CPU?

Correct Answer: Correct answer is: (A) Number of cores.

Exam Relevance: AP Computer Science, SAT Subject Test in Computer Science, A-Level Computing

Difficulty: Easy

Concept notes: The number of cores in a CPU directly affects its performance by allowing it to handle multiple tasks simultaneously, thereby increasing processing speed and efficiency.

Common Mistakes: Students often confuse the impact of storage capacity (like hard drive size) with CPU performance, which is incorrect as storage capacity does not directly influence CPU performance.

Explanations: The number of cores in a CPU is a critical factor in determining its performance. Each core can process tasks independently, allowing the CPU to handle multiple tasks simultaneously. This parallel processing capability significantly enhances the overall performance of the CPU. In contrast, the other options (hard drive capacity, number of applications stored, and number of hard drives used) do not directly influence the CPU's processing capabilities.

Option Analysis:

Option A: The number of cores directly impacts the CPU's ability to handle multiple tasks simultaneously, thus affecting its performance.
Option B: Hard drive capacity affects storage but not CPU performance.
Option C: The number of applications stored does not affect CPU performance; it affects storage usage.
Option D: The number of hard drives used affects storage but not CPU performance.

1200. When configuring ISA network interface cards without jumpers or plug and play. What is used to set IRQs?

Correct Answer: Correct answer is: (D) Configuration software.

Exam Relevance: CompTIA A+, Network+, CCNA

Difficulty: Moderate

Concept notes: Configuration software is used to set IRQs for ISA network interface cards when jumpers or plug and play are not used.

Common Mistakes: Students may mistakenly believe that the operating system automatically configures IRQs for ISA cards, or that DMA or COMS settings are used for this purpose.

Explanations: ISA network interface cards require manual configuration of IRQs when jumpers or plug and play are not used. Configuration software provides a user interface to set these parameters. The operating system does not handle this configuration directly, and DMA and COMS settings are not used for IRQ configuration.

Option Analysis:

Option A: DMA is used for data transfer, not for setting IRQs.
Option B: COMS (CMOS) settings are for BIOS configuration, not for setting IRQs.
Option C: The operating system does not configure IRQs for ISA cards without jumpers or plug and play.
Option D: Configuration software is used to manually set IRQs for ISA network interface cards.

⬅ Previous SetSet 120Next Set ➡

3 thoughts on “Information and Communication Technology MCQ - Set 120”

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 120”

Leave a Reply