Information and Communication Technology MCQ

301. Which of the following are true statements about digital certificates in Web browsers?I. Digital certificates are used to verify the ownership of encrypted keys used in secured communicationII. Digital certificates are used to verify that the connection to a Web site is fault tolerant.

Correct Answer: Correct answer is: (A) I only.

Exam Relevance: CISSP, CompTIA Security+, CCNA Security

Difficulty: Moderate

Concept notes: Digital certificates are used to verify the ownership of encrypted keys used in secured communication.

Common Mistakes: Students may mistakenly believe that digital certificates ensure fault tolerance in Web connections.

Explanations: Digital certificates are used to verify the ownership of encrypted keys used in secured communication. They do not verify that the connection to a Web site is fault tolerant. Fault tolerance refers to the ability of a system to continue operating properly in the event of the failure of some of its components, which is not a function of digital certificates.

Option Analysis:

Option A: Correct. Digital certificates are used to verify the ownership of encrypted keys used in secured communication.
Option B: Incorrect. Digital certificates do not verify that the connection to a Web site is fault tolerant.
Option C: Incorrect. Digital certificates do not verify that the connection to a Web site is fault tolerant.
Option D: Incorrect. Digital certificates are used to verify the ownership of encrypted keys used in secured communication.

302. "Ctrl + Up Arrow" is used to

Correct Answer: Correct answer is: (D) Moves the cursor one paragraph up.

Exam Relevance: GRE, GMAT, Microsoft Office Specialist

Difficulty: Moderate

Concept notes: The keyboard shortcut "Ctrl + Up Arrow" is used to navigate text in word processing applications by moving the cursor to the beginning of the previous paragraph.

Common Mistakes: Students often confuse "Ctrl + Up Arrow" with other navigation shortcuts, such as "Ctrl + Home" which moves the cursor to the beginning of the document.

Explanations: In word processing applications, "Ctrl + Up Arrow" is specifically designed to move the cursor to the start of the previous paragraph. This is useful for quickly navigating through large documents. The other options refer to different types of cursor movements that do not align with the function of "Ctrl + Up Arrow".

Option Analysis:

Option A: Moves the cursor one page up, which is incorrect as this function is typically associated with "Page Up" or "Ctrl + Home".
Option B: Moves the cursor one line up, which is incorrect as this function is typically associated with the "Up Arrow" key alone.
Option C: Moves the cursor one screen up, which is incorrect as this function is typically associated with the "Page Up" key.
Option D: Moves the cursor one paragraph up, which is the correct function of "Ctrl + Up Arrow".

Mnemonic: P for Paragraph, P for Previous: Ctrl + Up Arrow moves you to the Previous Paragraph.

303. Which section of IT Act deals with Cyber Terrorism?

Correct Answer: Correct answer is: (A) 66 F.

Exam Relevance: UPSC, SSC, Banking Exams, Law Exams

Difficulty: Easy

Concept notes: Section 66F of the IT Act deals with cyber terrorism.

Common Mistakes: Students may confuse the sections dealing with cyber crimes, such as 66A, 66B, and 66F.

Explanations: Section 66F of the IT Act specifically addresses cyber terrorism. It states that any person who denies access to any person to any computer resource, which may cause injury to the public or to the State, shall be punished with imprisonment for a term which may extend to imprisonment for life.

Option Analysis:

Option A: Correct, as Section 66F deals with cyber terrorism.
Option B: Incorrect, as Section 67B deals with publishing or transmitting of material depicting children in sexually explicit acts.
Option C: Incorrect, as Section 67A deals with publishing or transmitting of material containing sexually explicit acts.
Option D: Incorrect, as there is no Section 56F in the IT Act.

304. A Gigabyte is equal to

Correct Answer: Correct answer is: (A) 1024 Megabytes.

Exam Relevance: GRE, GMAT, Computer Science Exams

Difficulty: Easy

Concept notes: A Gigabyte is a unit of digital information that is equal to 1024 Megabytes.

Common Mistakes: Students often confuse the conversion between different units of digital storage, such as Kilobytes, Megabytes, and Gigabytes.

Explanations: A Gigabyte (GB) is a unit of digital information that is equal to 1024 Megabytes (MB). This is based on the binary system used in computing, where each unit is 1024 times larger than the previous one. Therefore, 1 GB = 1024 MB.

Option Analysis:

Option A: Correct. 1 Gigabyte is equal to 1024 Megabytes.
Option B: Incorrect. 1 Gigabyte is not equal to 1024 Kilobytes; it is equal to 1024 Megabytes.
Option C: Incorrect. 1 Gigabyte is not equal to 1024 Terabytes; it is equal to 1024 Megabytes.
Option D: Incorrect. 1 Gigabyte is not equal to 1024 Bytes; it is equal to 1024 Megabytes.

Mnemonic: Giga = Gigantic, think of it as a huge amount, 1024 times bigger than Mega.

305. A graphical user interface displays

Correct Answer: Correct answer is: (C) Both of above.

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

Difficulty: Easy

Concept notes: A graphical user interface (GUI) is designed to interact with users through graphical icons and visual indicators, as well as text.

Common Mistakes: Students might think a GUI only displays graphics and overlook the text component.

Explanations: A GUI is a type of user interface that allows users to interact with electronic devices through graphical icons and visual indicators, as well as text. This means that both graphics and text are integral components of a GUI. Therefore, the correct answer is that a GUI displays both graphics and text.

Option Analysis:

Option A: Incorrect, as a GUI displays more than just graphics.
Option B: Incorrect, as a GUI displays more than just text.
Option C: Correct, as a GUI displays both graphics and text.
Option D: Incorrect, as a GUI does display both graphics and text.

Mnemonic: GUI = Graphics + Text

306. The translated program into machine code is called .....

Correct Answer: Correct answer is: (B) Object program.

Exam Relevance: Computer Science Fundamentals, Programming Languages, Software Engineering

Difficulty: Easy

Concept notes: The object program is the machine code version of a source program after it has been compiled or assembled.

Common Mistakes: Students may confuse the object program with the source program, which is the original code written by the programmer.

Explanations: The source program is written in a high-level programming language and is not directly executable by the computer. It must be translated into machine code, which is the object program. The object program is the final output of the compilation process and is directly executable by the computer.

Option Analysis:

Option A: The source program is the original code written by the programmer, not the machine code version.
Option B: The object program is the correct term for the machine code version of the source program.
Option C: A system program is a program that manages computer hardware resources and provides common services for application software, not the machine code version of a source program.
Option D: This option is incorrect as the correct term is provided in option B.

307. Sets of typefaces (or characters) that come in different styles and sizes.

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

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: Fonts are sets of typefaces or characters that come in different styles and sizes.

Common Mistakes: Students may confuse fonts with other digital resources like freeware or software platforms.

Explanations: Fonts are collections of typefaces or characters that can be used in various styles and sizes. This aligns with the description provided in the question, making "Fonts" the correct answer.

Option Analysis:

Option A: Correct. Fonts are sets of typefaces or characters that come in different styles and sizes.
Option B: Incorrect. Freeware refers to software that is available for use at no monetary cost, not sets of typefaces.
Option C: Incorrect. Platform refers to a system or framework that supports the development and execution of software applications, not sets of typefaces.
Option D: Incorrect. This option is not applicable as "Fonts" is the correct answer.

308. Which is a characteristic of the Android operating system?

Correct Answer: Correct answer is: (C) It allows for the user to change the source code.

Exam Relevance: Computer Science Exams, Operating Systems Exams, Mobile Computing Exams

Difficulty: Moderate

Concept notes: Android is an open-source operating system, which means its source code is freely available for modification and distribution.

Common Mistakes: Students may confuse Android with proprietary systems like iOS, which do not allow users to modify the source code.

Explanations: Android is an open-source operating system, meaning its source code is freely available to the public. This allows users and developers to modify the source code to suit their needs. The other options are incorrect because Android does not require a royalty for code changes, does not restrict programmers from modifying the source code, and is not an example of the iOS mobile operating system.

Option Analysis:

Option A: Incorrect, as Android is open-source and does not require a royalty for code changes.
Option B: Incorrect, as Android allows programmers to modify the source code.
Option C: Correct, as Android is open-source and allows users to change the source code.
Option D: Incorrect, as Android and iOS are different operating systems.

Mnemonic: Open Android, Change Freely (OACF)

309. Which 2 are Disadvantages of a Bus Topology?

Correct Answer: Correct answer is: (D) Only (A) & (B).

Exam Relevance: CCNA, Network+ Certification, CompTIA A+

Difficulty: Moderate

Concept notes: In a bus topology, all devices are connected to a single central cable, known as the bus. This topology has specific advantages and disadvantages.

Common Mistakes: Students often confuse the central device failure in a bus topology with a star topology, where the central device (hub or switch) is crucial for network operation.

Explanations: A bus topology has two significant disadvantages: more collisions occur when many devices are connected to the same cable, and if the main cable is damaged, the entire network fails. Option C is incorrect because a central device failure is a disadvantage of a star topology, not a bus topology.

Option Analysis:

Option A: True. In a bus topology, all devices share the same cable, leading to more collisions when multiple devices attempt to transmit data simultaneously.
Option B: True. The main cable is critical in a bus topology. If it fails, the entire network is affected.
Option C: False. This is a disadvantage of a star topology, where the central hub or switch is crucial for network operation.
Option D: True. Only options A and B are correct disadvantages of a bus topology.

Mnemonic: Bus Breaks, Collisions Multiply (BBCM)

310. What are the types of of Primary memory

Correct Answer: Correct answer is: (A) RAM and ROM.

Exam Relevance: SAT, ACT, AP Computer Science Principles

Difficulty: Easy

Concept notes: Primary memory, also known as main memory, is the memory that a computer uses to store data and instructions that are currently being used. The two main types of primary memory are RAM (Random Access Memory) and ROM (Read-Only Memory).

Common Mistakes: Students often confuse primary memory with secondary memory, which includes storage devices like hard drives and SSDs.

Explanations: RAM and ROM are the two types of primary memory. RAM is volatile memory that stores data temporarily and is used for active processes. ROM is non-volatile memory that stores permanent data and instructions that are essential for the computer's operation.

Option Analysis:

Option A: Correct. RAM and ROM are the two types of primary memory.
Option B: Incorrect. RAM alone is not the complete set of primary memory types.
Option C: Incorrect. ROM alone is not the complete set of primary memory types.
Option D: Incorrect. CD is a type of secondary storage, not primary memory.

Mnemonic: RAM-Read and Access Memory, ROM-Read Only Memory

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3 thoughts on “Information and Communication Technology MCQ - Set 31”

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 31”

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