Information and Communication Technology MCQ

1281. You are buying a new cell phone but the comparing some models to see what will work best for you. What are two things you can do with a smartphone that you cannot do with a basic cellular phone? (Choose two)

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

Exam Relevance: SAT, ACT, GED

Difficulty: Moderate

Concept notes: Smartphones have advanced capabilities compared to basic cellular phones, including browsing the internet and editing documents, which are not typically available on basic phones.

Common Mistakes: Students may mistakenly believe that all cellular phones can perform the same functions, not recognizing the significant differences in capabilities between smartphones and basic phones.

Explanations: Smartphones can browse the internet similarly to a computer and edit documents, which are advanced features not typically found in basic cellular phones. Basic cellular phones are generally limited to basic calling, texting, and possibly some simple web browsing, but not the full range of internet capabilities or document editing.

Option Analysis:

Option A: Smartphones can browse the internet similarly to a computer, which is a feature not typically available on basic cellular phones.
Option B: Smartphones can edit documents, which is a feature not typically available on basic cellular phones.
Option C: Accessing voicemail is a basic feature available on both smartphones and basic cellular phones.
Option D: This option correctly identifies that only browsing the internet and editing documents are features unique to smartphones.

Mnemonic: S.M.A.R.T. - Smartphones Make Advanced Routine Tasks

1282. Which of the following is used at Point of Sales to input product information?

Correct Answer: Correct answer is: (B) Bar Code reader.

Exam Relevance: GRE, GMAT, CAT, Competitive IT Exams

Difficulty: Easy

Concept notes: Bar code readers are commonly used at Point of Sales (POS) systems to quickly and accurately input product information.

Common Mistakes: Students may confuse bar code readers with other types of readers like MICR or magnetic stripe readers, which are used for different purposes.

Explanations: Bar code readers are specifically designed to read bar codes, which are unique identifiers for products. At POS systems, these readers scan the bar code on a product, which then retrieves the product's information from a database. This process is efficient and reduces the chance of human error in manually entering product details.

Option Analysis:

Option A: MICR (Magnetic Ink Character Recognition) is used in banking for processing checks and is not typically used at POS systems.
Option B: Bar Code reader is the correct choice as it is used to scan and input product information at POS systems.
Option C: Magnetic Stripe reader is used for reading magnetic stripes on cards, such as credit cards, and is not used for inputting product information at POS systems.
Option D: All the above is incorrect because not all options are used for inputting product information at POS systems.

1283. The main difference between Windows and DOS is the ability to.....

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

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

Difficulty: Easy

Concept notes: The main difference between Windows and DOS is the ability to perform multitasking.

Common Mistakes: Students may confuse the ability to run a program as the main difference, but this is a fundamental feature of both operating systems.

Explanations: Windows is a graphical user interface (GUI) operating system that supports multitasking, allowing multiple programs to run simultaneously. DOS, on the other hand, is a command-line interface (CLI) operating system that typically runs one program at a time. Therefore, the ability to multitask is a key distinguishing feature between Windows and DOS.

Option Analysis:

Option A: Correct. Windows supports multitasking, while DOS does not.
Option B: Incorrect. Both Windows and DOS can run programs, but DOS does not support multitasking.
Option C: Incorrect. There is a significant difference between Windows and DOS, specifically in multitasking capabilities.
Option D: Incorrect. Not all options are correct; only multitasking is the main difference.

1284. Which special purpose register holds the address of the next instruction to be carried out?

Correct Answer: Correct answer is: (A) Program Counter.

Exam Relevance: Computer Architecture, Computer Organization, Microprocessor Exams

Difficulty: Easy

Concept notes: The Program Counter (PC) holds the address of the next instruction to be executed in a computer's instruction sequence.

Common Mistakes: Students often confuse the Program Counter with the Memory Address Register, which holds the address of the memory location being accessed, not the next instruction.

Explanations: The Program Counter (PC) is a special purpose register that holds the address of the next instruction to be executed. This allows the CPU to fetch and execute instructions in sequence. The Memory Address Register (MAR) and Memory Data Register (MDR) are used for memory operations, not for holding the address of the next instruction. The Current Instruction Register (CIR) holds the current instruction being executed, not the address of the next instruction.

Option Analysis:

Option A: Correct. The Program Counter holds the address of the next instruction to be executed.
Option B: Incorrect. The Memory Address Register holds the address of the memory location being accessed, not the next instruction.
Option C: Incorrect. The Memory Data Register holds the data being read from or written to memory, not the address of the next instruction.
Option D: Incorrect. The Current Instruction Register holds the current instruction being executed, not the address of the next instruction.

Mnemonic: PC = Next Instruction Address

1285. What is the shortcut-key for manual line break?

Correct Answer: Correct answer is: (C) Shift + Enter.

Exam Relevance: Microsoft Office Specialist, Google Workspace Certification

Difficulty: Very Easy

Concept notes: The shortcut for manually inserting a line break in text editors and word processors is Shift + Enter.

Common Mistakes: Students often confuse Shift + Enter with other keyboard shortcuts like Ctrl + Enter or Alt + Enter, which have different functions.

Explanations: In most text editors and word processors, pressing Shift + Enter inserts a line break without starting a new paragraph. This is useful for formatting text within a single paragraph or for creating multi-line text in a single cell in spreadsheets.

Option Analysis:

Option A: Ctrl + Enter is typically used for other functions, such as inserting a page break in some applications.
Option B: Alt + Enter is often used for inserting line breaks in specific applications like Excel cells, but not universally for text editors.
Option C: Shift + Enter is the correct shortcut for inserting a line break in most text editors and word processors.
Option D: Space + Enter is not a standard shortcut for any common function.

1286. ENIAC uses

Correct Answer: Correct answer is: (C) Binary Numbering System.

Exam Relevance: Computer Science, Electrical Engineering, History of Computing

Difficulty: Easy

Concept notes: ENIAC, one of the earliest electronic computers, used a binary numbering system for its operations.

Common Mistakes: Students may mistakenly believe that ENIAC used a decimal system because it was designed to perform decimal arithmetic operations.

Explanations: ENIAC used the binary numbering system because it is the most fundamental system for electronic computers. Binary digits (bits) can easily represent the two states (on/off) used in electronic circuits. Although ENIAC was designed to perform decimal arithmetic, it did so by using binary representations and operations internally.

Option Analysis:

Option A: ENIAC did not use the decimal numbering system internally, although it could perform decimal arithmetic operations.
Option B: ENIAC did not use the octal numbering system.
Option C: ENIAC used the binary numbering system for its internal operations.
Option D: ENIAC did not use the hexadecimal numbering system.

Mnemonic: Binary Bits, Basic Building

1287. Compression in general makes it ..... to send, upload and stream data

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

Exam Relevance: AP Computer Science, SAT Subject Tests, ACT

Difficulty: Easy

Concept notes: Compression reduces the size of data, making it quicker to send, upload, and stream.

Common Mistakes: Students might think that compression makes data slower because it involves processing the data.

Explanations: Compression reduces the size of data files, which decreases the amount of time and bandwidth required to transmit the data. This makes the process quicker.

Option Analysis:

Option A: Correct. Compression makes data quicker to send, upload, and stream.
Option B: Incorrect. Compression does not make data slower to send, upload, or stream.
Option C: Incorrect. Compression consistently makes data quicker, not slower.
Option D: Incorrect. Compression does make data quicker to send, upload, and stream.

1288. The main electronic component used in first generation computers was

Correct Answer: Correct answer is: (B) Vacuum Tubes and Valves.

Exam Relevance: CS101, Computer Architecture, History of Computing

Difficulty: Easy

Concept notes: First generation computers used vacuum tubes and valves as their primary electronic components.

Common Mistakes: Students may confuse vacuum tubes and valves with transistors, which were used in second generation computers.

Explanations: Vacuum tubes and valves were the main electronic components used in first generation computers. These components were large, consumed a lot of power, and generated significant heat. They were used for both logic and memory functions in early computers.

Option Analysis:

Option A: Transistors were used in second generation computers, not first generation.
Option B: Vacuum tubes and valves were the primary components in first generation computers.
Option C: Integrated circuits were used in third generation computers, not first generation.
Option D: This is incorrect as vacuum tubes and valves were indeed used in first generation computers.

1289. Which of the following is not the layer of TCP/IP protocol.

Correct Answer: Correct answer is: (A) Physical layer.

Exam Relevance: CCNA, CISSP, CompTIA Network+

Difficulty: Easy

Concept notes: The TCP/IP model consists of four layers: Application, Transport, Internet (Network), and Link (Data Link). The Physical layer is not part of the TCP/IP model.

Common Mistakes: Students often confuse the TCP/IP model with the OSI model, which includes a Physical layer.

Explanations: The TCP/IP model does not include a Physical layer. It consists of four layers: Application, Transport, Internet (Network), and Link (Data Link). The Physical layer is part of the OSI model, not the TCP/IP model.

Option Analysis:

Option A: The Physical layer is not part of the TCP/IP model, making it the correct answer.
Option B: The Link layer is part of the TCP/IP model.
Option C: The Network layer is part of the TCP/IP model.
Option D: The Transport layer is part of the TCP/IP model.

1290. MOOC stands for

Correct Answer: Correct answer is: (C) Massive Open Online Course.

Exam Relevance: SAT, ACT, AP Exams

Difficulty: Very Easy

Concept notes: MOOC stands for Massive Open Online Course, which refers to a type of online course aimed at unlimited participation and open access via the web.

Common Mistakes: Students may confuse MOOC with other acronyms or misspellings, such as "Media Online Open Course" or "Myrind Open Online Course."

Explanations: MOOC is an acronym that stands for Massive Open Online Course. This term describes a type of educational course that is available online to a large number of participants. The term "Massive" refers to the potential for a large number of students to enroll, "Open" indicates that the course is accessible to anyone, and "Online" specifies that the course is conducted over the internet.

Option Analysis:

Option A: Incorrect, as "Media Online Open Course" is not a recognized term for MOOCs.
Option B: Incorrect, as "Massachusetts Open Online Course" is not a recognized term for MOOCs.
Option C: Correct, as "Massive Open Online Course" is the accurate definition of MOOC.
Option D: Incorrect, as "Myrind Open Online Course" is not a recognized term for MOOCs.

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3 thoughts on “Information and Communication Technology MCQ - Set 129”

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 129”

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