Storage and Communication in Computers
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Storage and Communication in Computers

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Questions and Answers

What is a potential privacy issue associated with computer use?

  • Improved communication capabilities
  • Identity theft due to unprotected personal records (correct)
  • Increased job opportunities
  • Billing misunderstandings

    • How can prolonged computer use affect an individual's health?

  • Health injuries or disorders (correct)
  • Higher immunity to diseases
  • Increased risk of cardiovascular disease
  • Improved posture and flexibility

    • Which of the following is a disadvantage relating to public safety?

  • Increased environmental regulations
  • Enhanced online learning opportunities
  • Improved job productivity
  • Public sharing of personal information leading to victimization (correct)

    • What is a common consequence of computer addiction?

    <p>Obsession with computer usage</p> Signup and view all the answers

    What impact has computer use had on the labor force?

    <p>Replacement of skills and outsourcing of jobs</p> Signup and view all the answers

    What does green computing aim to achieve?

    <p>Reduce electricity consumption and environmental waste</p> Signup and view all the answers

    Which health practice can help mitigate issues from prolonged computer use?

    <p>Taking appropriately spaced work breaks</p> Signup and view all the answers

    What is one of the effects of technology overload?

    <p>Feeling distressed when not using technology</p> Signup and view all the answers

    What is one of the primary roles of a programmer?

    <p>To develop software and write instructions for computers</p> Signup and view all the answers

    Which of the following is NOT considered a popular programming language?

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

    How many categories of computers are typically classified by industry experts?

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

    What is the effect of convergence in computer technology?

    <p>It allows for fewer devices to provide similar functions</p> Signup and view all the answers

    Which of the following is an incorrect statement about system software?

    <p>It primarily consists of web browsers and spreadsheet software</p> Signup and view all the answers

    What is the purpose of a programming language?

    <p>To create programs and direct computer operations</p> Signup and view all the answers

    What characterizes the distinction among categories of computers?

    <p>They are determined by size, speed, processing power, and price</p> Signup and view all the answers

    Which of the following is an example of embedded computers?

    <p>Washing machines</p> Signup and view all the answers

    What is the primary purpose of installing software?

    <p>To set up software to work with the computer and hardware</p> Signup and view all the answers

    What action must be taken before installing software from an optical disc?

    <p>Insert the program disc in an optical disc drive</p> Signup and view all the answers

    What happens when a computer runs an installed program?

    <p>The program's instructions are loaded into memory</p> Signup and view all the answers

    How does a computer execute the instructions of a program after it is run?

    <p>By copying them from storage to memory</p> Signup and view all the answers

    What is the first step when you insert a program disc into the optical disc drive?

    <p>The installation procedure begins</p> Signup and view all the answers

    What must users do to install downloaded software?

    <p>Follow the provided instructions on the website</p> Signup and view all the answers

    After a program is installed, what is the next action a user typically takes?

    <p>Run the program</p> Signup and view all the answers

    What is the primary memory function when running a program?

    <p>To hold the program instructions temporarily</p> Signup and view all the answers

    What is a defining feature of a personal computer?

    <p>It can perform all input, processing, output, and storage activities by itself.</p> Signup and view all the answers

    Which operating system is typically used by PC-compatible computers?

    <p>Windows operating system</p> Signup and view all the answers

    What percentage of computer sales in the United States does Apple now account for?

    <p>20 percent</p> Signup and view all the answers

    What is the primary characteristic of desktop computers?

    <p>They are designed to fit on or under a desk.</p> Signup and view all the answers

    Which of the following brands is known for selling PC-compatible computers?

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

    What type of computer is designed for mobility and convenience?

    <p>Notebook computer</p> Signup and view all the answers

    Which statement about Apple computers is true?

    <p>They usually utilize the Macintosh operating system.</p> Signup and view all the answers

    What describes the system unit in most desktop computers?

    <p>It is usually a tall and narrow tower placed on the floor.</p> Signup and view all the answers

    What is the primary function of a terminal in a network?

    <p>To control access to resources on a network</p> Signup and view all the answers

    Which type of computer is designed to handle thousands of connected users simultaneously?

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

    What is a distinguishing feature of supercomputers compared to other types of computers?

    <p>They process more than one quadrillion instructions in a second</p> Signup and view all the answers

    For which applications are supercomputers primarily used?

    <p>Complex mathematical calculations and large-scale simulations</p> Signup and view all the answers

    Which type of computer is often embedded as a component in larger products?

    <p>Embedded computer</p> Signup and view all the answers

    What percentage of global transactions do mainframes reportedly process?

    <p>83 percent</p> Signup and view all the answers

    How do personal computers or terminals interact with a server?

    <p>By accessing data, information, and programs</p> Signup and view all the answers

    Which characteristic is NOT typical of a mainframe computer?

    <p>Designed for personal user applications</p> Signup and view all the answers

    Study Notes

    Storage and Communication

    • Computers store vast amounts of data for immediate processing and access.
    • Modern computers can communicate wirelessly with other devices, facilitating user interaction.

    Disadvantages of Computers

    • Violation of Privacy: Poor protection of stored records can lead to identity theft and privacy breaches.
    • Public Safety Concerns: Sharing personal information online makes users vulnerable to criminal activities.
    • Impact on Labor Force: While productivity has increased, many jobs have been replaced by computers, necessitating continuous education.
    • Health Risks: Improper computer usage can lead to injuries; ergonomic practices and breaks help mitigate risks. Issues like computer addiction and technology overload can affect mental health.
    • Environmental Impact: Computer manufacturing and waste contribute to resource depletion and pollution. Green computing aims to reduce environmental footprint.

    Software Installation Basics

    • Installing involves setting up software so it works with computer hardware.
    • Software comes pre-installed on new computers, with options to install additional software via optical discs or downloads.
    • Running a program involves loading it from storage to memory, where it can be executed for use.

    Software Development

    • Programmers develop software by writing complex instructions using programming languages such as C++, JavaScript, and Java.
    • Software can range from simple applications to intricate systems with millions of lines of code.

    Categories of Computers

    • Computers are categorized based on size, speed, processing power, and price, including personal computers, mobile devices, game consoles, servers, mainframes, supercomputers, and embedded systems.
    • Convergence trend blurs distinctions among categories, allowing devices to offer multiple functionalities.

    Personal Computers

    • Personal computers perform input, processing, output, and storage independently and come in two main types: desktops and notebooks.
    • PC-compatible computers primarily use Windows OS, while Apple computers operate on macOS, making for over 20% of U.S. sales.

    Desktop Computers

    • Desktop computers are designed to fit on or under desks. The common style is a tall, narrow tower system unit.

    Servers and Mainframes

    • Servers manage connections for multiple users and allow access to resources. A terminal is used for accessing network data.
    • Mainframes are powerful, expensive computers that support numerous users simultaneously and process vast amounts of transactions.

    Supercomputers

    • Supercomputers deliver unprecedented processing power, exceeding one quadrillion instructions per second and used in areas requiring advanced computations like weather forecasting and aerospace.

    Embedded Computers

    • Embedded computers serve specific functions as part of larger products, enhancing their operational capabilities.

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    Related Documents

    Discovering-Computers-Fundamentals- 1-27-27-54.pdf

    Description

    This quiz explores the fundamental concepts of data storage and communication in computers. Additionally, it delves into the drawbacks of computer use, including privacy violations, public safety concerns, and health risks. Prepare to test your knowledge on the various impacts computers have on our lives and the environment.

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