Applications (D317)
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Free Applications (D317) Questions
You can buy a fridge that can tell you when you're running low on milk, or a coffee maker that you can talk to from an app on your phone. This is an example of what concept
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Internet of Things (IoT)
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Relational Database
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Deep Learning
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Porter's 5 Forces
Explanation
Correct Answer A. Internet of Things (IoT)
Explanation
The Internet of Things (IoT) refers to the concept of connecting everyday objects to the internet, allowing them to collect and exchange data. In the examples given, smart appliances like fridges and coffee makers are examples of IoT devices that can communicate with users through apps or even notify them about their status (like running low on milk).
Why other options are wrong
B. Relational Database
A relational database is a system used to store and manage data in tables with relationships between them. While databases may be involved in IoT systems to store data, they are not the concept represented by smart devices like fridges or coffee makers.
C. Deep Learning
Deep learning refers to a subset of machine learning involving neural networks with many layers. It is primarily used for tasks like image recognition and natural language processing. Although IoT devices may use deep learning in some applications, the concept of IoT itself is not deep learning.
D. Porter's 5 Forces
Porter’s 5 Forces is a business strategy model used to analyze competitive forces in an industry. It has no connection to the concept of smart, internet-connected appliances or the Internet of Things.
The _________ department oversees the installation and maintenance of computer network systems within a company. Its primary function is to ensure that the network runs smoothly.
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IT
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Marketing
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HR
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R&D
Explanation
Correct Answer A. IT
Explanation
The IT (Information Technology) department is responsible for overseeing the installation, maintenance, and management of a company's computer network systems. This includes ensuring that the network infrastructure runs efficiently, securely, and reliably, supporting business operations. The IT department is the backbone of a company’s technology infrastructure.
Why other options are wrong
B. Marketing
The Marketing department focuses on promoting and advertising the company’s products or services, not on managing the company's technology infrastructure. It has no direct involvement in overseeing network systems.
C. HR
The Human Resources department handles employee relations, recruitment, and benefits. It is not responsible for the installation or maintenance of network systems within a company.
D. R&D
Research and Development (R&D) is involved in creating new products or improving existing ones. It does not focus on managing IT infrastructure or networks.
Of 120 visually impaired students are being increasingly supported by special computer programs. Examples of these special computer programs include all of the following EXCEPT
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Screen magnification software
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Digital book readers
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Personal amplification devices
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Screen readers
Explanation
Correct Answer C. Personal amplification devices
Explanation
Personal amplification devices are not specific to computer programs designed for visually impaired students. These devices are typically used to amplify sound for individuals with hearing impairments. The other options, such as screen magnification software, digital book readers, and screen readers, are all software tools that assist visually impaired students in accessing computer-based content.
Why other options are wrong
A. Screen magnification software
Screen magnification software is a tool specifically designed to help visually impaired individuals by enlarging text and images on the screen. This makes it easier for users with low vision to interact with digital content.
B. Digital book readers
Digital book readers, such as e-readers with text-to-speech functionality, are often used by visually impaired individuals to access books and other reading materials. They play a key role in making digital content more accessible.
D. Screen readers
Screen readers are software applications that read out loud the text displayed on a computer screen. This software is crucial for visually impaired users, allowing them to interact with digital content by auditory means.
Which is the most suitable device to use in a classroom or a conference room to deliver presentations
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Projector
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Voice synthesizer
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Printer
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Headset
Explanation
Correct Answer A. Projector
Explanation
A projector is the most suitable device for delivering presentations in a classroom or conference room because it can display slides, videos, and other content on a large screen or wall, ensuring that all attendees can see the information clearly. It is designed for the purpose of sharing visual content with a group.
Why other options are wrong
B. Voice synthesizer
A voice synthesizer is designed to convert text to speech and is typically used for accessibility purposes. It does not serve the purpose of displaying visual content in presentations.
C. Printer
A printer is used for producing physical copies of documents, not for presenting information to an audience. It’s not suitable for displaying live, visual content during presentations.
D. Headset
A headset is a personal audio device, typically used for communication or audio tasks. While useful for personal sound, it does not help in visually presenting content to a group in a classroom or conference room setting.
What should you usually do first if an external device is not working properly
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Make sure the cord or cable is connected properly
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Access the system alert message bank for information about updated drivers
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Close then re-open the software that is used with the device
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Re-boot the computer
Explanation
Correct Answer A. Make sure the cord or cable is connected properly
Explanation
When troubleshooting an external device, the first step should always be to check the physical connections. Loose, disconnected, or improperly connected cables are often the cause of malfunctioning devices. Ensuring that the device is properly plugged in is the most basic and immediate action to take.
Why other options are wrong
B. Access the system alert message bank for information about updated drivers
While updating drivers can sometimes resolve device issues, this step should not be the first action. Checking physical connections should be the initial step before diving into software-related troubleshooting.
C. Close then re-open the software that is used with the device
Closing and reopening software may help in certain situations, but it does not address hardware-related issues, such as disconnected cables or faulty connections. It's better to start with checking the hardware connections first.
D. Re-boot the computer
Rebooting can sometimes fix issues, especially software-related ones, but it is not the first step. If the problem is due to a connection issue or hardware fault, rebooting the computer won't solve the problem unless the device is properly connected.
Which search operator searches for an exact word or phrase when using a search engine
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Quotation marks ("")
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Dash (-)
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Asterisk (*)
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Keyword
Explanation
Correct Answer A. Quotation marks ("")
Explanation
Using quotation marks around a word or phrase in a search engine tells it to search for the exact words in the same order. This ensures that the search results are highly specific to the exact phrase or word you are looking for.
Why other options are wrong
B. Dash (-)
The dash operator is used to exclude certain words from search results. It helps refine searches by filtering out unwanted terms, not by ensuring exact matches.
C. Asterisk (*)
The asterisk is used as a wildcard in search queries to represent any word or phrase, but it does not force an exact match of a word or phrase. It’s useful for expanding search results with flexible terms.
D. Keyword
"Keyword" is not a search operator; it's a general term used to describe important words that can be used in searches. It does not specify exact word or phrase searches in the way quotation marks do.
Which is true about an internal hard disk
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Volatile
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Often stores the operating system
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Portable
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Slow
Explanation
Correct Answer B. Often stores the operating system
Explanation
An internal hard disk is typically used to store the operating system (OS), applications, and user data. It provides long-term storage for files that persist even when the computer is powered off. The OS is often installed on the internal hard disk to allow the computer to boot and run efficiently.
Why other options are wrong
A. Volatile
Internal hard disks are non-volatile storage devices, meaning they retain data even when the power is off. Volatile memory, like RAM, loses data when the computer is powered down.
C. Portable
An internal hard disk is not portable. It is a fixed component within the computer, as opposed to external hard drives, which are portable and can be connected to different devices.
D. Slow
While internal hard disks may be slower than newer solid-state drives (SSDs), they are not inherently slow. HDDs are mechanical devices and can be slower than SSDs in terms of read/write speeds, but they still offer reasonable performance for many applications.
Jack needs a convenient way to browse the Internet, read emails, and store basic data when he travels. Which of the following would be the best option for him
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high-end laptop
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all-in-one computer
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tablet
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desktop computer
Explanation
Correct Answer C. tablet
Explanation
A tablet would be the most convenient option for Jack because it is portable, lightweight, and offers functionality for browsing the internet, reading emails, and storing basic data while on the go. Tablets are designed for mobility and ease of use, which is ideal for someone who needs to access information during travel.
Why other options are wrong
A. high-end laptop
While a high-end laptop is versatile and capable, it may be heavier and bulkier than a tablet, making it less ideal for frequent travel. A laptop also typically has a shorter battery life compared to a tablet.
B. all-in-one computer
An all-in-one computer is designed for stationary use, typically at home or in an office. It lacks portability and is not a good choice for someone who needs to travel frequently.
D. desktop computer
Desktop computers are not portable, which makes them unsuitable for someone like Jack who needs a convenient solution while traveling. They are designed for fixed locations and cannot be easily carried on trips.
File metadata will typically include all of the following EXCEPT
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Date file was last modified
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All locations where the file is physically located
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Creation time of the file
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Author information, such as their name
Explanation
Correct Answer B. All locations where the file is physically located
Explanation
File metadata typically includes details about the file such as the creation time, the last modified date, and the author information, but it does not usually include all locations where the file is physically stored. Metadata primarily captures details about the file itself, not its physical locations.
Why other options are wrong
A. Date file was last modified
This is a common piece of file metadata, indicating the last time the file was altered. It helps track changes made to the file.
C. Creation time of the file
This is also part of file metadata and provides information about when the file was originally created.
D. Author information, such as their name
Author information is typically included in file metadata to identify who created or worked on the file, which helps with organizing and tracking files.
A file that contains compressed data from multiple files is called a ______ file
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Solid
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ZIP
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Compact
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CMP
Explanation
Correct Answer B. ZIP
Explanation
A ZIP file is a common archive format used to compress multiple files into a single, smaller file. This format reduces storage space and makes transferring data easier. It preserves the contents of the original files and folders while allowing users to extract or decompress them later. ZIP files are widely used and supported across many operating systems and software platforms.
Why other options are wrong
A. Solid
This term may refer to a "solid archive" in some compression utilities, but it is not a standard file extension or term used generally to describe a compressed file format. It is too vague and lacks the specificity of formats like ZIP or RAR.
C. Compact
“Compact” is a descriptive term but not an actual file format or recognized compressed file extension. It does not identify a specific compression method or archive type, making it an inaccurate choice for the definition provided in the question.
D. CMP
CMP is a file extension used by some specific applications, but it is not widely recognized or used to indicate a compressed archive of multiple files. It typically represents compiled or component files in certain software, not general-purpose compression.
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