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NEW QUESTION # 76
Which component of an operating system allows the operating system to run applications?
Answer: D
Explanation:
The kernel is the core component of an operating system that enables applications to run by managing system resources and providing essential services. In Information Technology, applications do not directly control the CPU, memory, or hardware devices. Instead, they request services from the operating system through system calls, which are handled by the kernel. The kernel manages process creation and execution, memory allocation, multitasking, and communication between software and hardware. It also enforces protection and security boundaries so one program cannot easily interfere with another or with the operating system itself.
The user interface affects how users interact with the system, but it is not the component that actually runs programs. The file manager handles organization and access to files, and drivers allow the operating system to communicate with specific hardware devices, such as printers and network cards. Because the kernel controls process execution and resource management, it is the operating system component that allows applications to run.
NEW QUESTION # 77
What is the term used to describe additional requirements that are added after project initiation?
Answer: A
Explanation:
In project management, scope creep refers to the uncontrolled expansion of a project's scope beyond its original boundaries. Here's a breakdown:
1.Project Initiation:
oProject initiation is the first step in starting a new project.
oDuring this phase, you establish why you're doing the project and what business value it will deliver.
oThe goal is to secure buy-in from key stakeholders based on the project's initial definition.
2.Scope Creep:
oOnce a project is underway, additional requirements or changes may arise.
oThese unplanned additions can lead to scope creep.
oExamples include:
New features requested by stakeholders.
Enhancements beyond the original scope.
Unforeseen requirements emerging during execution.
3.Impact of Scope Creep:
oScope creep can:
Delay the project timeline.
Increase costs due to additional work.
Affect quality if rushed changes are made.
Create frustration among team members.
4.Managing Scope Creep:
oTo prevent scope creep:
Define clear project boundaries during initiation.
Document requirements thoroughly.
Regularly review and assess any proposed changes.
Communicate with stakeholders about trade-offs.
References:
*1monday.com Blog: The Full Project Management Glossary
*2Project Management Institute: Mastering Project Requirements
NEW QUESTION # 78
What type of software utilizes a commercial software license?
Answer: B
Explanation:
*Proprietary software refers to software that is closed source and is commercially licensed. It is developed by a specific company or individual, and its source code is not publicly available.
*In proprietary software, the end user does not have the authority to modify or reuse the software code. The software is typically distributed as operational code only, without providing access to the underlying source code.
*Proprietary licenses often include terms that prohibit "reverse engineering" of the object code with the intention of obtaining the source code.
*Examples of proprietary software include Microsoft Office, Adobe Photoshop, and many commercial applications.
*References:
o1 Snyk. "What is a software license? 5 Types of Software Licenses Explained." Link o2 Turing. "Open Source vs. Commercial Software License: What Do You Need?" Link o3 License.md. "What type of license is needed for Commercial Use Software?" Link o4 Thales Group. "Commercial License FAQ." Link Note: While proprietary software utilizes a commercial software license, it's essential to understand that open-source software (which is freely available and allows modification and reuse of source code) falls under a different category. However, for the specific question, the correct answer is A. Proprietary.
NEW QUESTION # 79
What is the hardware component that contains soldered parts and slots for other pieces of hardware that can be removed?
Answer: B
Explanation:
The motherboard is the main circuit board in a computer that contains soldered components and provides slots and connectors for removable hardware. In Information Technology hardware fundamentals, the motherboard holds essential components such as chipset circuitry, connectors, and sometimes integrated devices like audio or network controllers. It also provides sockets and slots for components that may be installed or replaced, such as the CPU socket, RAM slots, and expansion slots like PCIe for graphics cards or other add-on cards.
The motherboard includes pathways called buses that enable communication among the processor, memory, storage, and peripheral devices. A hard drive is a storage device and does not serve as the central board for system components. The system clock is a timing mechanism, not a physical board containing multiple slots.
An expansion bus refers to a communication pathway standard, not the full board that hosts multiple connectors and soldered parts. Therefore, the component described is the motherboard.
NEW QUESTION # 80
When would a business intelligence (BI) system be useful in making a decision?
Answer: C
Explanation:
A BI system shines in this scenario because it leverages the power of data from various sources and turns that into actionable insights:
*Customer Sentiment Analysis: BI systems can incorporate natural language processing to analyze customer reviews, gauging sentiment and preferences towards organic food. Trends and patterns can be identified.
*Cost Analysis: BI can pull in data on ingredient costs (organic vs. conventional), preparing a comprehensive analysis of how switching to more organic food would impact operational expenses.
*Decision Support: By combining customer sentiment, cost analysis, and potentially market trends (through external data integration), a BI system can provide a holistic view of the trade-offs and the potential impact of increasing organic food usage.
NEW QUESTION # 81
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