Which of the following features of an OS prioritizes a program's use of resources?
Answer(s): B
Process management is the feature of an operating system that prioritizes and allocates resources (like CPU and memory) to running programs, ensuring efficient execution and multitasking.Other options:Application management oversees app installation and updates, Access management controls user permissions,Device management handles hardware components.
Which of the following is a GPU an example of?
Answer(s): C
A GPU (Graphics Processing Unit) is a processing device designed to handle complex graphics and visual computations, making it an essential part of rendering images, video, and more.It is not used for input, output, or storage.
A user downloads an application from a website and intends to modify the application's code. Which of the following license types does the user need for this task?
An open-source license allows users to access, modify, and redistribute the application's source code legally.Other options:Proprietary licenses restrict code access,Subscription-based refers to payment terms,Perpetual allows indefinite use but doesn't grant modification rights.
Which of the following is an example of PII? (Choose two.)
Answer(s): A,B
Full name and date of birth are classic examples of Personally Identifiable Information (PII) because they can be used to uniquely identify an individual.The other options are less specific and not uniquely identifying on their own.
A developer creates the following code:If the light is red, then stopElse if the light is green, then goWhich of the following programming concepts is the developer using?
Answer(s): D
The code uses branching, which allows the program to make decisions and follow different paths based on conditions (e.g., "if... else if...").Other options:Commenting adds notes to code,Looping repeats actions,Object-oriented programming involves organizing code into objects and classes.
A user is unable to load the most recent version of a web page. The old page loads each time the screen is refreshed. Which of the following would the user most likely do to resolve the issue?
Clearing the cache removes stored versions of web pages that the browser may be reloading instead of fetching the latest version. This is the most likely fix when a web page displays outdated content.Profile sync, extensions, and pop-up blockers are unrelated to loading cached pages.
A user wants to purchase a portable device that can be used exclusively for viewing books. Which of the following devices would be the best option?
An e-reader is the best option for viewing books due to its e-ink display, which is easier on the eyes, readable in bright light, and has long battery life -- making it ideal for exclusive reading use.Other options:Laptops and tablets are multipurpose,VR systems are not designed for reading.
Which of the following is an advantage of using a flat file for a small amount of data?
Answer(s): A
Flat files are simple text-based databases that offer fast access and quick setup for small amounts of data, making speed their primary advantage.They lack scalability, are not ideal for concurrent users, and are limited in handling a variety of data types.
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