Information and Communication Technology MCQ

1151. What type of storage is a DVD ROM? (1/2)

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

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: DVD-ROM stands for Digital Versatile Disc Read-Only Memory. It is a type of optical storage device that uses laser technology to read data from the disc.

Common Mistakes: Students may confuse DVD-ROM with magnetic storage devices like hard drives, which use magnetic fields to store data.

Explanations: DVD-ROM is an optical storage device because it uses a laser to read data from the disc. The laser reads the microscopic pits and lands on the disc's surface, which represent binary data. This method of data storage and retrieval is fundamentally different from magnetic storage, which uses magnetic fields to store data.

Option Analysis:

Option A: Correct. DVD-ROM is an optical storage device.
Option B: Incorrect. DVD-ROM does not use magnetic fields to store data.
Option C: Incorrect. DVD-ROM is not a solid-state storage device.
Option D: Incorrect. DVD-ROM is indeed a storage device.

1152. Which part of computer is responsible for processing?

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

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

Difficulty: Easy

Concept notes: The processor, also known as the central processing unit (CPU), is responsible for processing data and executing instructions in a computer.

Common Mistakes: Students may confuse the ALU (Arithmetic Logic Unit) with the processor, as the ALU is a component of the processor that performs arithmetic and logical operations.

Explanations: The processor, or CPU, is the primary component responsible for processing data and executing instructions in a computer. It handles all the calculations and operations necessary for the computer to function. While the ALU is a part of the processor and performs specific arithmetic and logical operations, the term "processor" encompasses the entire unit responsible for processing.

Option Analysis:

Option A: The ALU is a part of the processor that performs arithmetic and logical operations, but it is not the entire processing unit.
Option B: The processor, or CPU, is the correct answer as it is responsible for processing data and executing instructions.
Option C: The screen is an output device and does not process data.
Option D: This option is incorrect as the processor is the correct answer.

1153. In MS Excel, what is the shortcut key to "Create a formula to sum all of the above cells".....

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

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

Difficulty: Very Easy

Concept notes: The shortcut Alt + = in MS Excel is used to quickly sum the cells above the active cell.

Common Mistakes: Students may confuse this shortcut with other Excel shortcuts that involve the equals sign, such as Alt + Shift + = or Ctrl + Shift + =.

Explanations: In MS Excel, the shortcut Alt + = is specifically designed to create a formula that sums all the cells above the active cell. This is a quick and efficient way to perform a common task without manually typing the SUM formula.

Option Analysis:

Option A: Correct. Alt + = is the correct shortcut to sum all cells above the active cell.
Option B: Incorrect. Alt + Shift + = is not a standard Excel shortcut for summing cells.
Option C: Incorrect. Ctrl + Shift + = is not a standard Excel shortcut for summing cells.
Option D: Incorrect. Alt + Shift + / is not a standard Excel shortcut for summing cells.

Mnemonic: Alt equals sum above.

1154. Each cell in a spreadsheet has a name by default,. for example E7 is the cell in column 'E' and in row '7'. If you use some functions and formulas, you may need to rename the cell or a group of cells, for example if you have range of cells about shoe sizes and are creating a spreadsheet to work out prices of certain size, you may need to use the LOOKUP function but will have to refer to a named cell or named range of cells. In this case you could name these cells 'Shoe Sizes'.

Correct Answer: Correct answer is: (A) Named Cell or Range.

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: In spreadsheet software, cells or ranges of cells can be given custom names to make formulas and functions more understandable and easier to use.

Common Mistakes: Students may confuse named cells with other spreadsheet features like charts or formatting options.

Explanations: In spreadsheet software, cells or ranges of cells can be named to make them more identifiable and easier to reference in formulas and functions. For example, if a range of cells contains data about shoe sizes, you can name this range "Shoe Sizes" to make it clear what the data represents. This is particularly useful when using functions like LOOKUP, which require specific cell references. The other options, such as charts/graphs, aspect ratio, and crop, are unrelated to naming cells or ranges in spreadsheets.

Option Analysis:

Option A: Correct. Named Cell or Range refers to the ability to assign a custom name to a cell or range of cells in a spreadsheet.
Option B: Incorrect. Charts/Graphs are visual representations of data, not related to naming cells.
Option C: Incorrect. Aspect Ratio (AR) is a term used in image and video resolution, not related to spreadsheet cell naming.
Option D: Incorrect. Crop is a function used to trim images, not related to spreadsheet cell naming.

1155. The process where in the processor constantly checks the status flags is called as.....

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

Exam Relevance: Computer Architecture, Operating Systems, Microprocessors

Difficulty: Easy

Concept notes: Polling is a method where a processor continuously checks the status flags to determine the state of a device or process.

Common Mistakes: Students may confuse polling with interrupt-driven systems, where the processor is notified by the device rather than checking the status flags.

Explanations: Polling is the process where the processor constantly checks the status flags to determine if a device is ready for data transfer or if a specific condition has been met. This method is used in scenarios where the processor needs to monitor the status of a device or process without waiting for an interrupt.

Option Analysis:

Option A: Correct. Polling is the process where the processor continuously checks the status flags.
Option B: Incorrect. Reviewing is not a technical term used in this context.
Option C: Incorrect. The correct answer is provided.
Option D: Incorrect. Not all options are correct.

1156. Which of the following is a network administration practice used to prevent the execution of undesirable programs?

Correct Answer: Correct answer is: (A) Application Blacklisting.

Exam Relevance: CISSP, CompTIA Security+, CEH

Difficulty: Easy

Concept notes: Application blacklisting is a network administration practice that prevents the execution of undesirable programs by maintaining a list of prohibited software.

Common Mistakes: Students may confuse application blacklisting with whitelisting, which allows only specified programs to run.

Explanations: Application blacklisting is a network administration practice used to prevent the execution of undesirable programs. It involves maintaining a list of prohibited software that is not allowed to run on the network. This method helps in securing the network by blocking known malicious or unauthorized applications.

Option Analysis:

Option A: Correct. Application blacklisting is a network administration practice used to prevent the execution of undesirable programs.
Option B: Incorrect. Attack Surface refers to the sum of the different points where an unauthorized user can try to enter or extract data from a computer system, not a method to prevent undesirable programs.
Option C: Incorrect. Not all options are correct; only application blacklisting is a method to prevent undesirable programs.
Option D: Incorrect. This option is not correct as application blacklisting is a valid method to prevent undesirable programs.

1157. You can use the format painter multiple times before you turn it off by

Correct Answer: Correct answer is: (B) Double clicking the format painter button.

Exam Relevance: Microsoft Office Specialist, CompTIA A+, Google Workspace Admin

Difficulty: Easy

Concept notes: The format painter tool in software applications like Microsoft Word allows users to copy formatting from one text or object and apply it to another. Double-clicking the format painter button enables the tool to be used multiple times without needing to reselect it.

Common Mistakes: Students often mistakenly believe that the format painter can only be used once per selection, or they may not be aware of the double-click functionality.

Explanations: Double-clicking the format painter button allows the user to apply the copied formatting to multiple selections without having to re-enable the tool each time. This feature is particularly useful when applying the same formatting to several different parts of a document.

Option Analysis:

Option A: This option is incorrect because the format painter can be used multiple times if double-clicked.
Option B: This option is correct because double-clicking the format painter button allows for multiple uses before turning it off.
Option C: This option is incorrect because pressing the Ctrl key and clicking the format painter button does not enable multiple uses.
Option D: This option is incorrect because pressing the Alt key and clicking the format painter button does not enable multiple uses.

Mnemonic: Double-click, paint many.

1158. The types of storage are listed below from fastest to slowest. Which order is correct?

Correct Answer: Correct answer is: (D) Solid State, Magnetic, Optical.

Exam Relevance: Computer Science Exams, IT Certification Exams, Engineering Exams

Difficulty: Moderate

Concept notes: The correct order of storage types from fastest to slowest is Solid State, Magnetic, Optical.

Common Mistakes: Students may confuse the order of magnetic and optical storage, as both are commonly used in data storage devices.

Explanations: Solid State storage, such as SSDs, provides the fastest access times due to the absence of moving parts. Magnetic storage, like hard drives, is slower because it relies on mechanical movement to read and write data. Optical storage, such as CDs and DVDs, is the slowest due to the need for a laser to read the data, which is a slower process compared to the other two types.

Option Analysis:

Option A: Incorrect because Optical storage is slower than Magnetic storage.
Option B: Incorrect because Optical storage is slower than both Solid State and Magnetic storage.
Option C: Incorrect because Magnetic storage is faster than Optical storage.
Option D: Correct because Solid State storage is the fastest, followed by Magnetic storage, and Optical storage is the slowest.

1159. A page fault occurs when

Correct Answer: Correct answer is: (D) The page is not found in the memory.

Exam Relevance: Operating Systems, Computer Architecture, Advanced Programming

Difficulty: Easy

Concept notes: A page fault occurs when the requested page is not present in the main memory.

Common Mistakes: Students may confuse page faults with other memory-related issues, such as deadlocks or segmentation.

Explanations: A page fault happens when the operating system attempts to access a page of memory that is not currently in the main memory. This triggers a page fault interrupt, which the operating system must handle by loading the required page from secondary storage into main memory.

Option Analysis:

Option A: Deadlocks are unrelated to page faults and occur when processes are waiting indefinitely for resources held by other waiting processes.
Option B: Segmentation is a memory management technique and does not directly cause page faults.
Option C: If the page is found in the memory, no page fault occurs.
Option D: This is the correct answer because a page fault occurs when the page is not found in the memory.

1160. A new printer can be added by printer option in

Correct Answer: Correct answer is: (C) Windows control panel.

Exam Relevance: CCNA, CompTIA A+, Microsoft Certified: Windows Operating System

Difficulty: Easy

Concept notes: The Windows Control Panel is the primary interface for managing system settings, including adding new hardware such as printers.

Common Mistakes: Students may mistakenly believe that adding a printer can be done through File Manager or My Computer, which are not the correct interfaces for hardware configuration.

Explanations: The Windows Control Panel provides a centralized location for managing system settings and hardware configurations. Adding a new printer is a hardware configuration task, which is typically handled through the Control Panel's Devices and Printers section. This ensures that the printer is properly installed and configured with the necessary drivers and settings.

Option Analysis:

Option A: File Manager is used for managing files and folders, not for adding hardware like printers.
Option B: My Computer (or This PC) is used for accessing drives and devices, but not for adding new printers.
Option C: Windows Control Panel is the correct location for adding new printers and managing hardware configurations.
Option D: None of the above is incorrect because the Control Panel is the correct option.

Mnemonic: Control Panel, Printers, Add

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3 thoughts on “Information and Communication Technology MCQ - Set 116”

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 116”

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