D322-Introduction to IT
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Free D322-Introduction to IT Questions
What is the type of software that has no intellectual property protections?
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Closed-source
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Freeware
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Public domain
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Shareware
Explanation
Explanation:
Correct answer: (C.) Public domain
Public domain software has no intellectual property protections, meaning it is not owned by any individual or organization and can be freely used, modified, and distributed without restriction. Closed-source software is proprietary, freeware is free but still copyrighted, and shareware is distributed under trial or limited-use conditions.
One database field needs to be restricted to only those values that are single alphanumeric symbols. Which data type should be used?
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Integer
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Floating point
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Character string
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Character
Explanation
Explanation:
Correct answer: (D.) Character
A single alphanumeric symbol (such as a letter or digit) requires a data type that stores exactly one character. A character data type is designed for single symbols only. Integer and floating point are numeric types, while a character string can store multiple characters, making it unsuitable for a strict single-symbol constraint.
Which hardware component stores data and instructions while they are being used
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Central processing unit (CPU)
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Graphics processing unit (GPU)
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Read-only memory (ROM)
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Random-access memory (RAM)
Explanation
Correct Answer D: Random-access memory (RAM)
Explanation:
D. Random-access memory (RAM)
RAM temporarily stores data and instructions that the CPU needs while a program is running. It allows for quick access and manipulation, enabling fast performance during active processes.
Why the Other Options Are Incorrect:
A. Central processing unit (CPU)
The CPU processes data but does not store it for ongoing use. It retrieves data from RAM to perform tasks.
B. Graphics processing unit (GPU)
The GPU handles graphics rendering, not general-purpose data storage or instruction handling during use.
C. Read-only memory (ROM)
ROM stores permanent instructions, such as firmware, and cannot be used to store data dynamically during program execution.
What is the name of a network that consists of a collection of computers in a single building or building complex
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Wide area network (WAN)
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Personal area network (PAN)
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Extended area network (EAN)
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Local area network (LAN)
Explanation
Correct Answer D: Local area network (LAN)
Explanation:
A Local Area Network (LAN) is a network that connects computers and devices within a limited area, such as a single building, office, or campus. It allows for high-speed communication and resource sharing among connected devices.
Why the Other Options Are Incorrect:
A. Wide area network (WAN)
A WAN covers a large geographical area, often connecting LANs across cities, countries, or globally (e.g., the internet).
B. Personal area network (PAN)
A PAN is designed for very short-range connections—typically within a few meters—such as between a smartphone and wireless earbuds.
C. Extended area network (EAN)
EAN is not a standard term in networking. It’s sometimes used informally but not recognized as a formal category like LAN, WAN, or PAN.
What is one example of a professional organization that has produced ethical guidelines for the IT industry?
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Federal Communications Commission (FCC)
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National Security Agency (NSA)
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Institute for Telecommunication Sciences (ITS)
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Institute of Electrical and Electronics Engineers (IEEE)
Explanation
Explanation:
Correct answer: (D.) Institute of Electrical and Electronics Engineers (IEEE)
The Institute of Electrical and Electronics Engineers (IEEE) is a major professional organization in the IT and engineering fields that has developed widely recognized ethical guidelines and standards for professionals, including the IEEE Code of Ethics. These guidelines promote responsible conduct, integrity, and professionalism in technology development and use. The FCC and NSA are government agencies, and the ITS is a research body, not a professional ethics organization.
Which generation of computing is known for first using keyboards and monitors?
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Second
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Third
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Fourth
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Fifth
Explanation
Explanation:
Correct answer: (B.) Third
Third-generation computers (roughly mid-1960s to early 1970s) introduced integrated circuits, which significantly improved processing efficiency and reliability. During this period, computers also became more interactive, with the widespread adoption of keyboards for input and monitors (video display units) for output. This marked a shift away from earlier generations that relied heavily on punched cards and printouts.
What is the name of the wireless technology that specifically accommodates distances up to 300 feet?
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Near field communication (NFC)
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Wide area network (WAN)
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Bluetooth
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Wi-Fi
Explanation
Explanation:
Correct answer: (D.) Wi-Fi
Wi-Fi is a wireless networking technology designed for local connectivity with a typical range that can extend up to about 300 feet (depending on conditions and equipment). NFC is only for very short distances (a few centimeters), Bluetooth is generally up to about 30–100 feet, and WAN refers to large-scale networks covering wide geographic areas rather than a short-range wireless technology.
What is the hardware component that contains the circuitry for coordinating computer activity
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Read-only memory (ROM)
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Graphics processing unit (GPU)
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Random-access memory (RAM)
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Central processing unit (CPU)
Explanation
Correct Answer D: Central processing unit (CPU)
Explanation:
D. Central processing unit (CPU)
The CPU is responsible for coordinating all computer activity. It contains the control unit, which directs operations within the computer, and the arithmetic logic unit (ALU), which performs calculations and logical operations. It interprets and executes instructions from both hardware and software.
Why the Other Options Are Incorrect:
A. Read-only memory (ROM)
ROM stores permanent data, such as firmware, but does not coordinate system operations.
B. Graphics processing unit (GPU)
The GPU is specialized for graphics rendering, not general coordination of system processes.
C. Random-access memory (RAM)
RAM temporarily stores data for active tasks but does not manage or coordinate processes.
Which statement represents a difference between wisdom and knowledge, based on the data pyramid?
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Wisdom includes interpreting data, but knowledge does not
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Wisdom involves understanding patterns, but knowledge does not
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Wisdom involves understanding principles, but knowledge does not
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Wisdom gives meaning to data, but knowledge does not
Explanation
Explanation:
Correct answer: (C.) Wisdom involves understanding principles, but knowledge does not
In the DIKW hierarchy, knowledge involves understanding and interpreting information, including recognizing patterns, relationships, and principles. Wisdom, however, goes beyond knowledge by applying it to make sound judgments and decisions about what should be done in a given context. Therefore, the key distinction is that wisdom is about application and judgment, not just interpretation or understanding.
Options A, B, and D incorrectly describe knowledge as lacking interpretation or meaning-making. Option C is the closest to the intended distinction, as wisdom is more aligned with deeper understanding and application of principles in decision-making.
Which project management life cycle stage broadly defines the project?
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Planning
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Closure
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Execution
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Initiation
Explanation
Explanation:
Correct answer: (D.) Initiation
The initiation phase is the stage where a project is broadly defined. It involves identifying the project’s purpose, feasibility, high-level objectives, stakeholders, and overall scope. This phase determines whether the project should proceed. Planning comes next and details how the project will be carried out, execution performs the work, and closure formally ends the project.
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