Information and Communication Technology MCQ

841. In Microsoft PowerPoint on which part of the chart are the values entered in a data sheet displayed

Correct Answer: Correct answer is: (C) The y-axis.

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

Difficulty: Easy

Concept notes: In a chart within Microsoft PowerPoint, the y-axis typically displays the values entered in the data sheet.

Common Mistakes: Students may confuse the y-axis with the x-axis, which typically represents categories or time periods rather than values.

Explanations: The y-axis in a chart is used to represent numerical values or measurements. In the context of a data sheet, these values are plotted along the y-axis to show the magnitude or quantity of the data. The x-axis, on the other hand, usually represents categories or labels, not the actual values.

Option Analysis:

Option A: The title area is used to provide a title for the chart, not to display values from the data sheet.
Option B: The legend explains the symbols or colors used in the chart, not the values from the data sheet.
Option C: The y-axis displays the values from the data sheet, making it the correct answer.
Option D: The x-axis typically represents categories or labels, not the values from the data sheet.

Mnemonic: Y-axis for values, X-axis for labels.

842. Which of the following is not a factor affecting the processing capability or performance of a PC system?

Correct Answer: Correct answer is: (B) The revolutions per minute of the printer disk.

Exam Relevance: Computer Architecture, Operating Systems, Computer Science Fundamentals

Difficulty: Moderate

Concept notes: The performance of a PC system is influenced by factors such as the microprocessor's clock speed, the amount of primary storage, and the instruction set available to the processor. The revolutions per minute of the printer disk, however, does not directly affect the processing capability of the PC system.

Common Mistakes: Students may mistakenly believe that the printer's disk speed affects the overall performance of the PC system, confusing it with the hard drive's performance.

Explanations: The clock speed of the microprocessor (A) directly influences the speed at which the processor can execute instructions. The primary storage capacity (C) affects how much data can be processed at once. The built-in instruction set (D) determines the types of operations the processor can perform efficiently. In contrast, the revolutions per minute of the printer disk (B) is a measure of the printer's speed and does not impact the PC's processing capability.

Option Analysis:

Option A: The clock speed of the microprocessor is a critical factor in determining the processing speed of the PC system.
Option B: The revolutions per minute of the printer disk is not a factor that affects the processing capability of the PC system.
Option C: The primary storage capacity of the processor is important for the system's performance as it determines the amount of data that can be processed simultaneously.
Option D: The built-in instruction set available to the microprocessor influences the types of operations the processor can perform efficiently.

843. In MS-Excel when you want to insert a blank embedded excel worksheet in a word document you can

Correct Answer: Correct answer is: (A) Click the object command on the insert menu.

Exam Relevance: Microsoft Office Specialist, Microsoft Certified Educator

Difficulty: Easy

Concept notes: The correct method to insert a blank embedded Excel worksheet into a Word document is through the "Object" command on the "Insert" menu.

Common Mistakes: Students may mistakenly believe that the "Office Links" button or the "Create Worksheet" button on the formatting toolbar can be used to insert an Excel worksheet.

Explanations: The "Object" command on the "Insert" menu allows users to insert various types of objects, including Excel worksheets, into a Word document. This method ensures that the Excel worksheet is embedded and can be edited directly within the Word document.

Option Analysis:

Option A: Correct. The "Object" command on the "Insert" menu is the correct method to insert an Excel worksheet into a Word document.
Option B: Incorrect. The "Office Links" button is not used for inserting Excel worksheets into Word documents.
Option C: Incorrect. The "Create Worksheet" button is not a standard feature on the formatting toolbar for inserting Excel worksheets into Word documents.
Option D: Incorrect. There is no "Import Excel" command on the "File" menu for inserting Excel worksheets into Word documents.

844. A selection, choice , or condition involving two possibilities is referred as

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

Exam Relevance: SAT, ACT, AP Computer Science

Difficulty: Easy

Concept notes: Binary refers to a system or condition involving two possibilities.

Common Mistakes: Students may confuse binary with unary, which involves only one possibility, or octal, which involves eight possibilities.

Explanations: Binary is the correct term for a selection, choice, or condition involving two possibilities. This is a fundamental concept in computer science and digital systems, where binary digits (bits) represent two states, typically 0 and 1.

Option Analysis:

Option A: Unary involves only one possibility, not two.
Option B: Binary correctly refers to a system with two possibilities.
Option C: Octal involves eight possibilities, not two.
Option D: None of these is incorrect as binary is the correct term.

845. Errors in computer programmes are called

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

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

Difficulty: Easy

Concept notes: Errors in computer programs are commonly referred to as bugs.

Common Mistakes: Students may confuse bugs with other types of errors or issues, such as system failures or user mistakes.

Explanations: In computer programming, the term "bug" is used to describe an error, flaw, or fault in a computer program that causes it to produce an incorrect or unexpected result, or to behave in unintended ways. This terminology is widely accepted and used in the field of software development.

Option Analysis:

Option A: Follies are not a standard term used in computer programming to describe errors.
Option B: Mistakes can be a general term, but in the context of programming, "bugs" is the specific term used.
Option C: Bugs are the correct term for errors in computer programs.
Option D: Spam refers to unsolicited messages and is unrelated to programming errors.

Mnemonic: Bugs are like insects in your code.

846. ..... is a form of computer security hacking in which corrupt DNS data is introduced into the DNS resolver's cache, causing the name server to return an incorrect IP address.

Correct Answer: Correct answer is: (A) DNS Spoofing.

Exam Relevance: CISSP, CompTIA Security+, CEH

Difficulty: Moderate

Concept notes: DNS Spoofing involves corrupting DNS data to redirect users to incorrect IP addresses.

Common Mistakes: Students may confuse DNS Spoofing with IP Spoofing, which involves forging IP addresses rather than corrupting DNS data.

Explanations: DNS Spoofing is a form of computer security hacking where corrupt DNS data is introduced into the DNS resolver's cache. This causes the name server to return an incorrect IP address, leading to potential security risks such as phishing attacks or unauthorized access to systems. The corrupt data in the DNS cache misdirects the user to a malicious site instead of the intended one.

Option Analysis:

Option A: Correct. DNS Spoofing involves corrupting DNS data to redirect users to incorrect IP addresses.
Option B: Incorrect. IP Spoofing involves forging IP addresses, not corrupting DNS data.
Option C: Incorrect. This option is not applicable as only one form of hacking is described in the question.
Option D: Incorrect. This option is not applicable as the correct form of hacking is described in the question.

Mnemonic: DNS = Data Not Secure

847. What does 'apply design template' do?

Correct Answer: Correct answer is: (C) Changes the look of the slide without changing the content.

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

Difficulty: Easy

Concept notes: The 'apply design template' feature in presentation software like Microsoft PowerPoint allows users to change the visual appearance of slides, such as background colors, fonts, and layout styles, without altering the actual content of the slides.

Common Mistakes: Students may mistakenly believe that applying a design template changes the content of the slide, such as text or images, rather than just the visual style.

Explanations: The 'apply design template' function is designed to modify the aesthetic elements of a slide, including background, color schemes, and layout styles, while keeping the existing content intact. This allows users to maintain the same information while changing the overall look and feel of the presentation.

Option Analysis:

Option A: This option is incorrect because the 'apply design template' does not change the content of the slide, only its appearance.
Option B: This option is incorrect because the 'apply design template' does not add functionality to the slide; it only changes the visual design.
Option C: This option is correct because the 'apply design template' changes the look of the slide without altering the content.
Option D: This option is incorrect because the correct answer is provided in option C.

Mnemonic: Design Template = Look, Not Content

848. The operation executed on data stored in registers is called.....

Correct Answer: Correct answer is: (A) Micro-operation.

Exam Relevance: Computer Architecture, Digital Logic Design, Microprocessor Exams

Difficulty: Easy

Concept notes: Micro-operations are the basic operations performed on data stored in registers within a computer's CPU.

Common Mistakes: Students may confuse micro-operations with bit-operations, which are operations performed on individual bits of data.

Explanations: Micro-operations are fundamental operations executed on data stored in registers. These operations are the building blocks of more complex instructions and are essential for the functioning of the CPU. They include operations such as data transfer, arithmetic, and logical operations. Therefore, the correct term for operations executed on data stored in registers is micro-operation.

Option Analysis:

Option A: Correct. Micro-operations are the basic operations performed on data stored in registers.
Option B: Incorrect. Bit-operations refer to operations performed on individual bits, not the data stored in registers as a whole.
Option C: Incorrect. This option is not applicable as the correct term is micro-operation.
Option D: Incorrect. Since only one option is correct, this option is not applicable.

849. Which of the following is a type of Virtual Hard Drive that expands gradually in size?

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

Exam Relevance: CompTIA A+, Microsoft Certified: Azure Administrator Associate

Difficulty: Moderate

Concept notes: Dynamic Virtual Hard Drives (VHDs) expand in size as needed, up to a predefined maximum size.

Common Mistakes: Students may confuse dynamic VHDs with differencing VHDs, which are used for creating snapshots and differ from dynamic VHDs in their functionality.

Explanations: Dynamic VHDs are designed to allocate disk space only when data is written to the VHD, allowing for efficient use of storage. This contrasts with fixed-size VHDs, which allocate the full size of the VHD at creation, and differencing VHDs, which are used for creating snapshots and differ in their purpose and functionality.

Option Analysis:

Option A: Differencing VHDs are used for creating snapshots and do not expand gradually in size.
Option B: Dynamic VHDs expand in size as data is written, up to a predefined maximum size.
Option C: Not all types of VHDs expand gradually in size.
Option D: This is incorrect as dynamic VHDs do exist and meet the criteria.

850. A number expressed in a base-2 number system. With a value of either 0 or 1

Correct Answer: Correct answer is: (D) Binary Number.

Exam Relevance: SAT, ACT, AP Computer Science

Difficulty: Very Easy

Concept notes: A binary number is a number expressed in the base-2 number system, which uses only two digits: 0 and 1.

Common Mistakes: Students may confuse binary numbers with Boolean values, which are also represented by 0 and 1 but are used to represent true and false states rather than numerical values.

Explanations: A binary number is a number expressed in the base-2 number system, which uses only two digits: 0 and 1. This matches the description given in the question, as it specifies a number system with values of either 0 or 1.

Option Analysis:

Option A: Boolean values represent true and false states, not numerical values in a number system.
Option B: A byte is a unit of digital information that consists of 8 bits, not a single binary digit.
Option C: Behavior is not related to number systems or binary digits.
Option D: A binary number is a number expressed in the base-2 number system, which uses only two digits: 0 and 1.

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3 thoughts on “Information and Communication Technology MCQ - Set 85”

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 85”

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