Information and Communication Technology MCQ

251. It is a visual aspect that indicates that a control is ready to receive input from you in Windows operating system

Correct Answer: Correct answer is: (A) Control's Focus.

Exam Relevance: AP Computer Science Principles, IB Computer Science

Difficulty: Easy

Concept notes: Control's Focus refers to the visual indication that a particular control on a window is ready to receive input from the user.

Common Mistakes: Students may confuse Control's Focus with other visual elements like dialog boxes or command buttons, which do not indicate readiness for input.

Explanations: Control's Focus is the visual aspect that indicates a control is ready to receive input. This is typically shown by a highlighted border or a blinking cursor within the control. Other options like dialog boxes, command buttons, and text boxes do not inherently indicate that they are ready for input.

Option Analysis:

Option A: Correct. Control's Focus indicates that a control is ready to receive input.
Option B: Incorrect. Dialog Boxes are windows that provide information or request user input but do not indicate focus.
Option C: Incorrect. Command Buttons are used to perform actions but do not indicate focus.
Option D: Incorrect. Text Boxes are used for input but do not inherently indicate focus.

Mnemonic: Focus = Ready to Input

252. Essential files of DOS are

Correct Answer: Correct answer is: (B) IO.Sys and DOS.Sys.

Exam Relevance: Computer Science Exams, IT Certification Exams

Difficulty: Easy

Concept notes: The essential files of DOS are IO.Sys and DOS.Sys, which are crucial for the boot process and system operation.

Common Mistakes: Students often confuse Command.com with being an essential boot file, but it is primarily used for command processing after the system has booted.

Explanations: IO.Sys and DOS.Sys are the core system files required for the boot process in DOS. IO.Sys handles input/output operations, while DOS.Sys initializes the DOS environment. These files are essential for the system to start and function properly.

Option Analysis:

Option A: Command.com and IO.Sys are not both essential boot files. Command.com is used for command processing after the system has booted.
Option B: IO.Sys and DOS.Sys are the correct essential files for the DOS boot process.
Option C: DOS.Sys and Command.com are not both essential boot files. Command.com is used for command processing after the system has booted.
Option D: Autoexec.bat and Config.sys are configuration files, not essential boot files.

253. To read the system messages and warnings, access the..... in Windows.

Correct Answer: Correct answer is: (B) Event viewer.

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

Difficulty: Moderate

Concept notes: The Event Viewer in Windows is a tool used to read system messages and warnings.

Common Mistakes: Students may confuse the Event Viewer with the Control Panel, which is used for system settings and not for viewing system messages.

Explanations: The Event Viewer is the correct tool for accessing system messages and warnings in Windows. It logs and displays events such as system errors, application failures, and security alerts. The Control Panel, Message Screen, and other options do not provide this functionality.

Option Analysis:

Option A: The Control Panel is used for system settings and configuration, not for viewing system messages.
Option B: The Event Viewer is the correct tool for accessing system messages and warnings.
Option C: The Message Screen is not a standard feature in Windows for viewing system messages.
Option D: None of these is incorrect as the Event Viewer is a valid option.

Mnemonic: EVE for Event Viewer, Eyes on Events.

254. Convert the binary number 10101010 to Hex

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

Exam Relevance: SAT, ACT, AP Computer Science

Difficulty: Easy

Concept notes: The conversion from binary to hexadecimal involves grouping binary digits into sets of four, starting from the right, and then converting each group to its hexadecimal equivalent.

Common Mistakes: Students often make mistakes by not grouping the binary digits correctly or by misinterpreting the hexadecimal values.

Explanations: To convert the binary number 10101010 to hexadecimal, we group the binary digits into sets of four: 1010 1010. Each group of four binary digits corresponds to a single hexadecimal digit. The binary group 1010 converts to the hexadecimal digit A. Therefore, 10101010 in binary is AA in hexadecimal.

Option Analysis:

Option A: Correct. The binary number 10101010 converts to AA in hexadecimal.
Option B: Incorrect. BB does not correspond to the binary number 10101010.
Option C: Incorrect. CC does not correspond to the binary number 10101010.
Option D: Incorrect. DD does not correspond to the binary number 10101010.

Mnemonic: Binary to Hex, Group Four, A is 1010.

255. To see reports of Job Work Analysis

Correct Answer: Correct answer is: (B) Display-Statement of a/cs-Job Work Analysis.

Exam Relevance: CA Final, CMA, CPA

Difficulty: Moderate

Concept notes: Job Work Analysis is a specific type of report that provides detailed information about the work done on behalf of a client or for a specific job. This report is crucial for tracking and analyzing the costs and activities associated with job work.

Common Mistakes: Students often confuse Job Work Analysis with other types of financial statements or reports, such as general cost statements or cost center reports.

Explanations: The correct answer is "Display-Statement of a/cs-Job Work Analysis" because it specifically refers to the report that provides detailed analysis of job work. This report is essential for understanding the costs and activities related to job work, which is different from general account statements or cost center reports.

Option Analysis:

Option A: This option refers to a general statement of accounts, which does not provide the specific analysis required for job work.
Option B: This option correctly identifies the specific report needed for Job Work Analysis.
Option C: This option refers to a cost center report, which is not specific to job work analysis.
Option D: This option is incorrect as it does not provide a valid choice for the required report.

Mnemonic: JWA for Job Work Analysis

256. ..... is a cyber attack intended to redirect a website's traffic to another, fake site

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

Exam Relevance: CISSP, CompTIA Security+, CEH

Difficulty: Moderate

Concept notes: Pharming is a cyber attack that redirects traffic from a legitimate website to a fake one, often to steal sensitive information.

Common Mistakes: Students may confuse pharming with phishing, which involves tricking individuals into providing personal information through deceptive emails or messages.

Explanations: Pharming is a cyber attack that involves altering the DNS (Domain Name System) settings of a computer or server to redirect traffic from a legitimate website to a fake one. This redirection can occur without the user's knowledge, making it a sophisticated form of cyber attack. The goal is often to steal sensitive information such as login credentials or financial data.

Option Analysis:

Option A: Phishing involves tricking individuals into providing personal information through deceptive emails or messages, not redirecting website traffic.
Option B: Pharming is the correct term for a cyber attack that redirects a website's traffic to a fake site.
Option C: This option is incorrect as only pharming fits the description.
Option D: This option is incorrect as pharming is the correct term.

Mnemonic: DNS Redirect, Fake Site Threat (DRFST)

257. The binary system uses powers of

Correct Answer: Correct answer is: (A) 2.

Exam Relevance: SAT, ACT, AP Computer Science

Difficulty: Very Easy

Concept notes: The binary system is a base-2 numeral system that uses only two digits: 0 and 1. It is based on powers of 2.

Common Mistakes: Students may confuse the binary system with other numeral systems, such as the decimal system, which uses powers of 10.

Explanations: The binary system is a base-2 numeral system, meaning it uses powers of 2. Each digit in a binary number represents a power of 2, starting from 2^0 on the right. This is why the correct answer is 2.

Option Analysis:

Option A: Correct. The binary system uses powers of 2.
Option B: Incorrect. The decimal system uses powers of 10, not the binary system.
Option C: Incorrect. The octal system uses powers of 8, not the binary system.
Option D: Incorrect. The hexadecimal system uses powers of 16, not the binary system.

258. A .....is a 32-bit number that hides an IP address, and divides the IP address into network address and host address

Correct Answer: Correct answer is: (A) Subnet mask.

Exam Relevance: CCNA, CISSP, CompTIA Network+

Difficulty: Easy

Concept notes: A subnet mask is a 32-bit number used in IP addressing to divide an IP address into network and host parts.

Common Mistakes: Students may confuse subnet masks with other network addressing concepts, such as IP addresses or network IDs.

Explanations: A subnet mask is a 32-bit number that is used to divide an IP address into a network address and a host address. This division is crucial for routing and network segmentation. The subnet mask helps identify which part of the IP address represents the network and which part represents the host within that network.

Option Analysis:

Option A: Correct. A subnet mask is a 32-bit number used to divide an IP address into network and host parts.
Option B: Incorrect. "Subvention mask" is not a recognized term in networking.
Option C: Incorrect. "Network division" is a general term and not a specific 32-bit number used in IP addressing.
Option D: Incorrect. "Data processing" is unrelated to IP addressing and subnetting.

Mnemonic: Subnet mask: "Sub" for Subnet, "net" for Network, "mask" for hiding IP parts.

259. MSI is the abbreviation of

Correct Answer: Correct answer is: (A) Medium Scale Integrated.

Exam Relevance: GATE, GRE, ECE exams

Difficulty: Very Easy

Concept notes: MSI stands for Medium Scale Integration, which refers to integrated circuits that contain a moderate number of components, typically between 100 and 1,000 transistors.

Common Mistakes: Students may confuse MSI with other acronyms such as VLSI (Very Large Scale Integration) or SSI (Small Scale Integration).

Explanations: MSI is the abbreviation for Medium Scale Integrated. This term is used in the context of integrated circuits, where the scale of integration refers to the number of transistors or components integrated on a single chip. MSI circuits contain a moderate number of components, typically between 100 and 1,000 transistors, making them suitable for more complex functions than SSI (Small Scale Integration) but less complex than VLSI (Very Large Scale Integration).

Option Analysis:

Option A: Correct. MSI stands for Medium Scale Integrated.
Option B: Incorrect. "Medium System Integrated" is not a recognized term in the context of integrated circuits.
Option C: Incorrect. "Medium Scale Intelligent" is not a recognized term in the context of integrated circuits.
Option D: Incorrect. "Medium System Intelligent" is not a recognized term in the context of integrated circuits.

260. If you want to insert some slides from other presentation into current one choose

Correct Answer: Correct answer is: (A) From Insert menu choose Slides from Files.

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

Difficulty: Easy

Concept notes: The correct answer involves using the "Insert" menu to add slides from another presentation file into the current presentation.

Common Mistakes: Students may mistakenly choose "Slides from Presentation" thinking it refers to the current presentation, rather than another file.

Explanations: To insert slides from another presentation into the current one, the "Insert" menu provides the option "Slides from Files." This allows users to browse and select a different presentation file from which to import slides. The other options either do not exist or do not serve the purpose of importing slides from an external file.

Option Analysis:

Option A: Correct. This option allows importing slides from another presentation file.
Option B: Incorrect. This option does not exist in the Insert menu.
Option C: Incorrect. This option does not specify the source of the slides, and typically does not allow importing from another file.
Option D: Incorrect. The correct option is provided in the choices.

⬅ Previous SetSet 26Next Set ➡

3 thoughts on “Information and Communication Technology MCQ - Set 26”

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 26”

Leave a Reply