Operating Systems and User Interfaces Quiz

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Questions and Answers

What is the main purpose of an application program interface (API)?

  • To enable software developers to create applications without needing to know the OS hardware (correct)
  • To allow software to access functions of the operating system
  • To limit the number of applications that can run on an operating system
  • To provide a user interface for software applications

Which task management technique allows multiple users to run programs on a single computer?

  • Multiuser (correct)
  • Multiprocessing
  • Multithreading
  • Real-time

What characteristic does a real-time operating system possess?

  • It can run programs on more than one CPU
  • It supports multithreading for single programs
  • It provides instant response to input (correct)
  • It allows multiple programs to run concurrently

What is the role of multitasking in an operating system?

<p>To manage several programs running at the same time (A)</p> Signup and view all the answers

In what scenario would multithreading be particularly advantageous?

<p>When tabs in a web browser need independent loading (A)</p> Signup and view all the answers

Which of the following best describes multiprocessing?

<p>Running a single program on more than one CPU or core (C)</p> Signup and view all the answers

Which task management technique can be used for tasks that must respond immediately to user input?

<p>Real-time (B)</p> Signup and view all the answers

What is a key feature of hardware independence provided by an operating system?

<p>It isolates software applications from hardware differences through APIs. (B)</p> Signup and view all the answers

What is the primary purpose of a Voice User Interface (VUI)?

<p>To interact with computers through spoken language (D)</p> Signup and view all the answers

Which of the following is NOT an example of a Voice User Interface?

<p>Xbox Kinect (C)</p> Signup and view all the answers

How does a Natural User Interface (NUI) primarily enhance interaction with computers?

<p>By integrating various modes of interaction like gestures and voice (C)</p> Signup and view all the answers

Which statement best describes the saying about graphical user interfaces (GUI) and command line interfaces (CLI)?

<p>GUIs simplify easy tasks, while CLIs facilitate complex tasks. (A)</p> Signup and view all the answers

Which component is NOT typically included in an Integrated Development Environment (IDE)?

<p>Database management system (A)</p> Signup and view all the answers

What is the primary purpose of a Software Development Kit (SDK)?

<p>To assist developers in creating applications for specific platforms (A)</p> Signup and view all the answers

What is a significant advantage of using command line interfaces?

<p>They allow automation of repetitive tasks. (A)</p> Signup and view all the answers

In what scenario might a command line interface be preferred over a graphical user interface?

<p>When requiring fast access to remote systems (C)</p> Signup and view all the answers

Which of the following is an example of an IDE designed for mobile application development?

<p>Android Studio (B)</p> Signup and view all the answers

Which of the following best describes Brain-Computer Interfaces (BCI)?

<p>Assistive technologies for individuals with disabilities (C)</p> Signup and view all the answers

Which IDE is specifically used for developing applications on Apple's iOS platform?

<p>Xcode (B)</p> Signup and view all the answers

What types of interactions does a Natural User Interface incorporate?

<p>Gestures, voice commands, and touch (D)</p> Signup and view all the answers

Which of the following SDKs is NOT associated with Java?

<p>Xcode SDK (C)</p> Signup and view all the answers

Why is scripting considered an advantage of command line interfaces?

<p>It simplifies complex commands into automated processes. (B)</p> Signup and view all the answers

What is a common misconception about graphical user interfaces?

<p>They cannot be automated like command line interfaces. (B)</p> Signup and view all the answers

Which of the following is NOT typically included in a software suite?

<p>Photo editing (B)</p> Signup and view all the answers

What are the major considerations when selecting enterprise application software?

<p>Cost, installation, and integration capabilities (C)</p> Signup and view all the answers

Which of these platforms has the highest number of apps available?

<p>Google Play (D)</p> Signup and view all the answers

Which category does SPSS and SAS belong to?

<p>Statistical Software (B)</p> Signup and view all the answers

How many apps does the F-Droid platform approximately have?

<p>4,000 (A)</p> Signup and view all the answers

Which of the following describes mobile application software?

<p>Includes a wide range of applications on smartphones (D)</p> Signup and view all the answers

What type of software is used for creating web pages and editing photos?

<p>Personal Application Software (D)</p> Signup and view all the answers

Which of the following best describes software suites?

<p>A collection of individual programs grouped together (A)</p> Signup and view all the answers

What is a common application of computer-assisted design (CAD) software?

<p>Creating architectural plans (A)</p> Signup and view all the answers

Which term refers to software that includes educational and reference applications?

<p>Mobile Application Software (D)</p> Signup and view all the answers

What is a key characteristic of software development?

<p>It is customized for specific needs. (B)</p> Signup and view all the answers

Which of the following is an example of software acquisition?

<p>Buying a standard accounting software package. (D)</p> Signup and view all the answers

What does SaaS stand for?

<p>Software as a Service (A)</p> Signup and view all the answers

Which of the following is NOT considered a leading public cloud service provider?

<p>Dropbox (A)</p> Signup and view all the answers

What is the main purpose of a compiler in programming?

<p>To convert source code into machine-language instructions. (C)</p> Signup and view all the answers

What distinguishes custom software from off-the-shelf software?

<p>Custom software is tailored to specific organizational needs. (C)</p> Signup and view all the answers

Which programming function does NOT typically involve a compiler?

<p>Executing source code directly. (A)</p> Signup and view all the answers

Which of the following describes cloud service providers?

<p>They provide services over the internet. (C)</p> Signup and view all the answers

Which of these is a benefit of using software as a service (SaaS)?

<p>It usually allows for flexibility in subscription terms. (A)</p> Signup and view all the answers

What is a common scenario where software acquisition is preferred over software development?

<p>When software needs to be quickly implemented. (B)</p> Signup and view all the answers

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Study Notes

Operating Systems

  • API stands for Application Program Interface, it allows software to communicate with other software without understanding the inner workings of each other.
  • Multiuser allows multiple users to run programs concurrently on one computer.
  • Multiprocessing enables programs to run on more than one CPU.
  • Multitasking lets multiple programs run concurrently and seamlessly switch between them.
  • Multithreading allows different parts of a program to run concurrently, e.g., web browsers managing different tabs.
  • Real-time systems provide immediate responses to input.

User Interfaces

  • Command Line Interface is a text-based interface using commands to interact with the computer.
  • Graphical User Interface uses icons and graphical representations for visual interaction.
  • Natural User Interface integrates gestures, voice commands, and touch for intuitive interaction.
  • Voice User Interface uses spoken language for interaction with devices, e.g., Siri and Alexa.
  • Brain-Computer Interfaces (BCI) are used for people with disabilities.

Software Suites and Integrated Software Packages

  • Suites combine various single programs into a package, e.g., word processor, spreadsheet, database management, etc.

Enterprise Application Software

  • Software Development involves creating custom software in-house for specific applications.
  • Software Acquisition involves buying off-the-shelf software from vendors to address common business needs.

Cloud Service Providers

  • Provide software, data storage, and other services via the Internet.
  • Software as a Service (SaaS) delivers web-based business application software through subscriptions.
  • Major Cloud Service Providers include AWS, Microsoft Azure, and Google Cloud.

Programming Languages

  • A programming language allows humans to communicate instructions to a computer.
  • Compiler translates source code into machine-language instructions.

Integrated Development Environments (IDEs)

  • Combine tools necessary for software engineering, including a code editor, compiler, debugger, and version control.
  • Examples of IDEs include Xcode, Visual Studio, and Eclipse.

Software Development Kits (SDKs)

  • A set of tools, libraries, and documentation helping developers create applications for specific platforms.
  • SDKs are usually offered by hardware, software, and cloud companies, such as Apple (macOS, iOS, and watchOS) and Java (Android, Apache Tomcat, AWS, Google Cloud, Microsoft Azure).

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Lecture 4 - Software (1).pdf

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