Operating Systems Overview
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Questions and Answers

What defines a Personal Area Network (PAN)?

  • It connects devices in a broader geographical area.
  • It requires a central server to function.
  • It allows connection of electronic devices close to the user. (correct)
  • It allows only one device to connect at a time.

    • Which statement accurately describes a Client-Server Network?

  • One computer acts as a dedicated server while others act as clients. (correct)
  • No central authority governs data transmission on this network.
  • It primarily uses Bluetooth technology for communication.
  • All computers on the network act equally as clients and servers.

    • Which of the following standards allows for high-speed mobile data transmission using broadcast radio?

  • LTE (correct)
  • Token Ring
  • Wi-Fi
  • Bluetooth

    • What is the primary function of TCP/IP protocol?

    <p>To route messages from one end of a network to another.</p> Signup and view all the answers

    Which communication technology uses infrared to transfer data?

    <p>IrDA</p> Signup and view all the answers

    What is the purpose of the power button on a computer or mobile device?

    <p>To power on the device</p> Signup and view all the answers

    Which of the following statements accurately describes virtual memory?

    <p>It substitutes for hard disk space when the RAM is full</p> Signup and view all the answers

    What distinguishes a multitasking operating system from a single-tasking one?

    <p>Ability to run multiple applications simultaneously</p> Signup and view all the answers

    What does a driver do in an operating system?

    <p>Facilitates communication between the OS and hardware</p> Signup and view all the answers

    Which function does the performance monitor, also known as task manager, serve in an operating system?

    <p>Assesses and reports on computer resources and devices</p> Signup and view all the answers

    What is a key feature of multiuser operating systems?

    <p>Enables multiple users to share resources and access files</p> Signup and view all the answers

    What is one primary function of a file manager in an operating system?

    <p>To allow users to organize files and folders</p> Signup and view all the answers

    What role does a network administrator fulfill in relation to a server operating system?

    <p>Configures the network and manages user access</p> Signup and view all the answers

    Which of the following best describes a hotspot?

    <p>A network that provides internet access to mobile devices</p> Signup and view all the answers

    What is the primary function of a DNS server?

    <p>To translate a domain name to its associated IP address</p> Signup and view all the answers

    Which of the following correctly defines bandwidth?

    <p>The measure of a network’s speed capacity in MB or GB</p> Signup and view all the answers

    What is a URL?

    <p>The unique address of a website</p> Signup and view all the answers

    Which of the following best describes a web app?

    <p>An application stored on a web server and accessed through a browser</p> Signup and view all the answers

    What role does a web server play?

    <p>It delivers requested webpages to users' devices</p> Signup and view all the answers

    What is an infographic?

    <p>A graphical representation of data designed to communicate quickly</p> Signup and view all the answers

    Which of the following statements about email is accurate?

    <p>Email allows for the transmission of messages and files via a computer network.</p> Signup and view all the answers

    What does a web search engine do?

    <p>It finds websites, webpages, and other info related to a specific search query.</p> Signup and view all the answers

    What are mobile browsers designed for?

    <p>To access and view webpages on mobile devices</p> Signup and view all the answers

    Which type of software is specifically designed to help with managing financial transactions for businesses?

    <p>Accounting software</p> Signup and view all the answers

    What is the primary function of spreadsheet software?

    <p>Organize data in rows and columns for calculations</p> Signup and view all the answers

    Which software type assists users in the preparation of legal documents?

    <p>Legal software</p> Signup and view all the answers

    What functionality does project management software provide?

    <p>Tracks and analyzes events, resources, and costs of a project</p> Signup and view all the answers

    What is the main purpose of calendar and contact management software?

    <p>To organize calendars and manage contacts</p> Signup and view all the answers

    Which software is designed to guide users through the tax filing process?

    <p>Tax preparation software</p> Signup and view all the answers

    What does note taking software allow users to do?

    <p>Enter text, drawings, and photos on a page</p> Signup and view all the answers

    Which software type is used to create visuals for presentations?

    <p>Presentation software</p> Signup and view all the answers

    What is the maximum transmission speed of a T3 line?

    <p>44.736 Mbps</p> Signup and view all the answers

    Which type of broadband connection typically provides faster downstream rates than upstream rates?

    <p>ADSL</p> Signup and view all the answers

    What does a broadband modem do?

    <p>Sends and receives data to and from a digital line</p> Signup and view all the answers

    Which type of cable is capable of transmitting data as pulses of light?

    <p>Fiber-Optic Cable</p> Signup and view all the answers

    What is the primary function of a network card in a computer?

    <p>To enable network access for devices without functionality</p> Signup and view all the answers

    Which of the following is a characteristic of broadband?

    <p>Can transmit multiple signals simultaneously</p> Signup and view all the answers

    Which definition best describes latency in a communication context?

    <p>The time it takes the signal to travel from one location to another</p> Signup and view all the answers

    What distinguishes a wireless access point from a router?

    <p>It allows wireless data transfer between devices</p> Signup and view all the answers

    Which type of digital line has a speed range starting from 256 Kbps to 8.45 Mbps?

    <p>DSL</p> Signup and view all the answers

    Which of the following correctly represents the maximum speed of ATM lines?

    <p>10 Gbps</p> Signup and view all the answers

    What is a primary feature of enterprise computing solutions?

    <p>Special computing solutions for large organizations</p> Signup and view all the answers

    Which of the following is a type of multimedia authoring software?

    <p>Interactive web design tools</p> Signup and view all the answers

    What role does the kernel play in an operating system?

    <p>Manages system resources</p> Signup and view all the answers

    Which tool is specifically designed to detect unauthorized intrusions in a personal computer?

    <p>Personal firewall</p> Signup and view all the answers

    What distinguishes augmented reality (AR) from virtual reality (VR)?

    <p>AR overlays digital content on the real world</p> Signup and view all the answers

    Which of the following is NOT a function of file management tools?

    <p>Performing antivirus checks</p> Signup and view all the answers

    Which command interface is primarily used for administrative tasks?

    <p>Command Line Interface (CLI)</p> Signup and view all the answers

    What is a key purpose of a media player software?

    <p>Viewing multimedia files</p> Signup and view all the answers

    Which of the following does a disk cleanup tool do?

    <p>Removes unnecessary files</p> Signup and view all the answers

    What type of network connects computers in a limited geographic area?

    <p>Local Area Network (LAN)</p> Signup and view all the answers

    What is the function of a power management tool?

    <p>Monitoring battery usage and consumption</p> Signup and view all the answers

    What type of malware is designed to track user activity without their consent?

    <p>Spyware</p> Signup and view all the answers

    Which of the following is a significant advantage of networks?

    <p>Facilitation of communication</p> Signup and view all the answers

    Study Notes

    Operating Systems

    • Operating systems manage file management and device tasks
    • Update operating system software
    • Control networks
    • Administer security

    OS Functions

    • Power button turns device on
    • Sleep mode: Low-power state, saves documents, and runs programs in RAM
    • Hibernate mode: Removes power, saves open items to hard drive
    • User interface (UI): Controls data entry/instruction display and how information is shown (e.g., graphical or command-line interface)
    • Single tasking and multitasking: Operating system handles programs affecting productivity
    • Foreground and background tasks occur in different priority
    • Single user and multiuser: Single user only one user at a time. Multiuser many users
    • Memory Management: Optimizes use of computer/device's internal memory (virtual memory, additional RAM)
    • OS determines task processing order
    • Driver: Small program, tells the OS how to communicate with devices (e.g., Plug and Play for automatic device configuration)
    • Performance monitor (task manager): Assesses and reports computer resource/device info
    • Internet access possible within the OS
    • Updates: Regular feature or correction updates for the OS
    • Common tools: File manager, image viewer, uninstaller, and disk cleanup

    Network

    • Network architecture: Describes how devices are connected
    • Client/Server: One computer acts as a server, the rest are clients
    • Peer-to-peer network: All computers have equal rights, each acting as both client and server
    • Communications software: Enables device communication and data transfer
    • Communication standards: Different communication standards (e.g., Ethernet, LTE, Bluetooth, TCP/IP, UWB).
    • LAN (Local Area Network): Connects devices in a limited geographical area
    • WLAN (Wireless LAN): Uses no physical wires, uses Wi-Fi routers
    • CAN (Campus Area Network): connects devices in a campus/university/corporate campus
    • SAN (Storage Area Network): High-speed network for large amounts of data storage and access.
    • MAN (Metropolitan Area Network): Multiple LANs in a single city area, frequently using fiber optic connections.
    • WAN (Wide Area Network): Large geographical area (internet).
    • PAN (Personal Area Network): Connects electronic devices close to a user (e.g., hotspots)

    Applications

    • Programs (Software): Instructions that tell a computer what to do
    • Applications: specific programs for productivity and/or personal tasks
    • Tools and utilities: Include system software, native apps, cloud apps, web apps and mobile web apps
    • Types of software; Shareware, Freeware, Open source, Retail software, and Custom software.
    • Productivity applications: Tools useful during daily tasks and activities (e.g., word processing, accounting)
    • Multimedia software (text, graphics, audio, video combined for interactive applications)
    • Security Tools: personal Firewall, antivirus programs, spyware removers to protect your security
    • Image Software
    • File Management Software; Tools for managing files on your computer.

    Other

    • Presentation Software: Visuals for presentations to communicate ideas
    • Spreadsheet Software: Data organization, calculations, and retrieval of data.
    • Database: Organization of data for retrieval, storage, and management
    • Note taking: Typed text, handwritten comments, sketches etc
    • Calendar/contact management: Organizing events and maintaining contact information
    • Project management software: Plans, schedules (and manages) projects and resources
    • Personal finance Software: Used by individuals and businesses for personal transactions
    • Legal software, tax preparation: Documents and legal support
    • Document conversion software: Changes document formats (e.g., DOCX to PDF)

    Hardware

    • Input/output devices (including keyboard, mouse, displays and printers)
    • Storage: Hard drives, etc
    • Communication lines: Cable, DSL, FTTP, etc Physical and Wireless Transmission media

    Internet/Web Technology

    • Communication lines: Cable, DSL, FTTP, etc
    • IP Addresses: Numerical addresses unique to each device connected to a network
    • Domain names: Text-based names that correspond to numeric IP addresses
    • Browser software applications to view web pages
    • Web pages: Documents on the internet (stored on web servers)
    • HTML (HyperText Markup Language): The language used to describe the contents/structure of a webpage
    • Websites: Collection of webpages
    • Internet Service Provider (ISP): Business that provides internet service to individuals and organizations
    • Bandwidth: A measure of how much data a network can transmit.
    • Operating system support for the internet and web technologies
    • Online communication types: including chat rooms, discussions, and online discussions
    • Internet protocol (FTP, VoIP): Protocols necessary for secure transfer and communication on the internet.
    • Netiquette: Guidelines for acceptable online behavior

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    Related Documents

    Module 8 and Module 9 - Operating Systems & Applications (PDF)

    Description

    This quiz covers the fundamental concepts of operating systems, including their core functions such as file management, device control, and security administration. It also explores various operating modes like sleep and hibernate, as well as user interfaces and task management. Test your knowledge on how operating systems optimize productivity and manage resources.

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