Information and Communication Technology MCQ

1121. Peter is creating a slide show for his team. Sheila says that she has the perfect piece of music to add to the slide show, which is located on her computer. Peter looks in her computer and there are several different types of files. Sheila says there is only one audio file. What file extensions should Peter look for?

Correct Answer: Correct answer is: (A) .wav, .mp3, .ogg.

Exam Relevance: Computer Science, Information Technology, Digital Literacy

Difficulty: Easy

Concept notes: Audio file extensions are used to identify files that contain audio data.

Common Mistakes: Students may confuse audio file extensions with other types of file extensions, such as image or document file extensions.

Explanations: Audio files are typically identified by their file extensions. Common audio file extensions include .wav, .mp3, and .ogg. These extensions indicate that the file contains audio data, which can be played back on various devices and software. The other options listed are not audio file extensions and are used for different types of files, such as compressed files (.zip, .rar, .tar) or image files (.jpg, .png, .gif).

Option Analysis:

Option A: Correct. These are common audio file extensions.
Option B: Incorrect. These are file extensions for compressed files, not audio files.
Option C: Incorrect. These are file extensions for document files, not audio files.
Option D: Incorrect. These are file extensions for image files, not audio files.

Mnemonic: WAV for Waves, MP3 for Music, OGG for Open

1122. ISP stands for?

Correct Answer: Correct answer is: (C) Internet Service Provider.

Exam Relevance: SAT, ACT, GED

Difficulty: Very Easy

Concept notes: ISP stands for Internet Service Provider, which is a company that provides individuals and businesses access to the internet.

Common Mistakes: Students may confuse ISP with other acronyms that start with "I" such as International Server Protocol or Internet Storage Provider.

Explanations: ISP stands for Internet Service Provider. This is the correct term used to describe a company that provides internet access to customers. The other options are incorrect as they do not accurately represent the acronym ISP.

Option Analysis:

Option A: Incorrect, as ISP does not stand for International Server Protocol.
Option B: Incorrect, as ISP does not stand for Internal Storage Protocol.
Option C: Correct, as ISP stands for Internet Service Provider.
Option D: Incorrect, as ISP does not stand for Internet Storage Provider.

1123. What is the small circuit board that controls all the work a computer does (the computer's brain) called?

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

Exam Relevance: AP Computer Science Principles, A+ Certification, CompTIA IT Fundamentals

Difficulty: Easy

Concept notes: The microprocessor is the central processing unit (CPU) of a computer, often referred to as the "brain" of the computer because it controls and coordinates all the operations and tasks performed by the computer.

Common Mistakes: Students may confuse the microprocessor with other components like the motherboard or RAM, which are also crucial but have different functions.

Explanations: The microprocessor is responsible for executing instructions and controlling the operations of the computer. It processes data and performs calculations, making it the central component that controls all the work a computer does.

Option Analysis:

Option A: Hardware refers to the physical components of a computer, but it is not specific to the component that controls all operations.
Option B: Peripherals are external devices that connect to a computer, such as a keyboard or mouse, and do not control the computer's operations.
Option C: Personal Computer (PC) is a type of computer, not a component that controls its operations.
Option D: Microprocessor is the correct term for the component that controls all the work a computer does.

Mnemonic: Microprocessor: "Micro" for tiny, "Processor" for the brain that processes everything.

1124. Which of the following is a pointing device?

Correct Answer: Correct answer is: (C) Touch screen used for computer input.

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: A pointing device is an input device that allows users to interact with a computer by pointing to specific locations on the screen.

Common Mistakes: Students may confuse pointing devices with storage devices or memory components.

Explanations: A touch screen is a pointing device because it allows users to directly interact with the computer interface by touching the screen. This makes it a valid input device for pointing and selecting items on the screen.

Option Analysis:

Option A: A hard disk is a storage device, not a pointing device.
Option B: A CD-ROM drive is a storage device, not a pointing device.
Option C: A touch screen is a pointing device as it allows direct interaction with the screen for input.
Option D: RAM is a memory component, not a pointing device.

Mnemonic: Touch to Point, T2P

1125. Which of the following will not protect you from spam.....

Correct Answer: Correct answer is: (B) Popup blocker.

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: Popup blockers are designed to prevent unwanted pop-up windows from appearing in web browsers, not to filter or manage email spam.

Common Mistakes: Students may mistakenly believe that popup blockers can also filter email spam, as both are forms of unwanted content.

Explanations: Popup blockers are specifically designed to prevent unwanted pop-up windows from appearing in web browsers. They do not have the capability to filter or manage email spam, which is typically handled by email rules, filters, or other email-specific security measures.

Option Analysis:

Option A: E-mail rules can be used to filter and manage spam emails.
Option B: Popup blockers prevent unwanted pop-up windows in web browsers, not email spam.
Option C: Filters can be used to sort and manage incoming emails, including spam.
Option D: This option is incorrect as popup blockers do not protect against spam.

1126. Step-by-step instructions for the computer.....

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

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: Software refers to the set of instructions and programs that tell a computer what to do.

Common Mistakes: Students may confuse hardware with software, thinking that hardware includes instructions for the computer.

Explanations: Software provides step-by-step instructions for the computer to perform tasks. Hardware, on the other hand, refers to the physical components of a computer system. Therefore, the correct answer is software.

Option Analysis:

Option A: Hardware refers to the physical components of a computer, not the instructions.
Option B: Software provides the instructions for the computer to perform tasks.
Option C: The correct answer is not a combination of hardware and software.
Option D: The correct answer is not neither hardware nor software.

1127. Requires a source of laser light, interference of light, light diffraction, and light intensity recording. A holographic image is produced where laser light beams meet after being reflected off a number of mirrors. Technology that allows more three dimensions images to be produced.

Correct Answer: Correct answer is: (A) 3-D and holographic imaging.

Exam Relevance: Optics, Physics, Engineering, Imaging Science

Difficulty: Moderate

Concept notes: Holographic imaging involves the use of laser light, interference, diffraction, and recording of light intensity to create three-dimensional images.

Common Mistakes: Students may confuse holographic imaging with other 3D technologies that do not involve the same principles of light interference and diffraction.

Explanations: Holographic imaging requires a laser light source, which produces coherent light. This light is split into two beams: one that directly hits the recording medium and another that reflects off the object and then hits the recording medium. The interference pattern created by the two beams is recorded, capturing the phase and amplitude of the light waves. When the hologram is illuminated with a similar laser, the recorded interference pattern diffracts the light, reconstructing the original light field and creating a three-dimensional image. This process involves the principles of interference and diffraction of light, making it distinct from other 3D imaging techniques.

Option Analysis:

Option A: Correct. Holographic imaging involves the use of laser light, interference, diffraction, and recording of light intensity to create three-dimensional images.
Option B: Incorrect. Computer-assisted translation (CAT) is a technology used for translating text from one language to another and does not involve the principles of light interference and diffraction.
Option C: Incorrect. Quantum cryptography is a method of secure communication using quantum mechanics and does not involve the principles of light interference and diffraction.
Option D: Incorrect. Robotics involves the design, construction, and operation of robots and does not involve the principles of light interference and diffraction.

Mnemonic: Laser Light, Interference, Diffraction, Recording (LIDR)

1128. Windows XP, which shortcut is used to cycle through opened items in taskbar.....

Correct Answer: Correct answer is: (A) Alt + Tab.

Exam Relevance: Microsoft Certification Exams, IT Fundamentals Exams

Difficulty: Easy

Concept notes: The Alt + Tab shortcut is used to cycle through opened items in the taskbar in Windows XP.

Common Mistakes: Students may confuse Alt + Tab with other keyboard shortcuts like Ctrl + Esc, which opens the Start menu, or Alt + Esc, which cycles through windows in the order they were opened.

Explanations: In Windows XP, the Alt + Tab shortcut allows users to quickly switch between open applications by cycling through the taskbar. This is a standard feature designed to enhance user productivity by providing a quick way to navigate between multiple open windows.

Option Analysis:

Option A: Correct. Alt + Tab is the correct shortcut to cycle through opened items in the taskbar.
Option B: Incorrect. Ctrl + Esc opens the Start menu, not the taskbar items.
Option C: Incorrect. Alt + Esc cycles through windows in the order they were opened, not the taskbar items.
Option D: Incorrect. This option is not applicable as Alt + Tab is the correct shortcut.

Mnemonic: Alt + Tab = Taskbar Switch

1129. Computer systems do human jobs because it.....

Correct Answer: Correct answer is: (B) Reduce human error.

Exam Relevance: SAT, ACT, AP Computer Science

Difficulty: Easy

Concept notes: Computer systems are often used to perform tasks that were previously done by humans because they can reduce human error.

Common Mistakes: Students might mistakenly think that computer systems are used because they are friendlier or cost more, which are not accurate reasons.

Explanations: Computer systems are designed to perform tasks with high precision and consistency, which reduces the likelihood of errors that can occur due to human factors such as fatigue, distraction, or lack of expertise. This makes them a preferred choice for tasks that require accuracy and reliability.

Option Analysis:

Option A: Slower - This is incorrect because computer systems are generally faster than human workers.
Option B: Reduce human error - This is correct because computer systems minimize errors due to their precision and consistency.
Option C: Friendlier - This is incorrect because friendliness is not a relevant factor in the context of task performance.
Option D: Cost more - This is incorrect because while initial setup costs may be high, long-term operational costs can be lower due to efficiency and reduced errors.

1130. What kind of memory is both static and non-volatile?

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

Exam Relevance: SAT, ACT, AP Computer Science

Difficulty: Easy

Concept notes: ROM stands for Read-Only Memory, which is a type of non-volatile memory that retains data even when power is removed. It is also static, meaning the data stored in it does not change unless rewritten.

Common Mistakes: Students may confuse ROM with RAM, which is volatile and dynamic, meaning it loses data when power is removed and its contents can change frequently.

Explanations: ROM is non-volatile because it retains data without power. It is also static because the data stored in it does not change unless intentionally rewritten. This makes ROM the correct answer as it fulfills both criteria of being static and non-volatile.

Option Analysis:

Option A: RAM is volatile and dynamic, not static and non-volatile.
Option B: ROM is non-volatile and static, fitting the criteria.
Option C: BIOS is a type of ROM, but the question asks for a general type of memory.
Option D: CACHE is volatile and dynamic, not static and non-volatile.

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3 thoughts on “Information and Communication Technology MCQ - Set 113”

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 113”

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