Overview of Computing
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Questions and Answers

What was a significant advancement introduced by the invention of the transistor in 1947?

  • It established the standard for software programming.
  • It was the first personal computer.
  • It enabled local area networking.
  • It replaced vacuum tubes with smaller circuits. (correct)

Which microprocessor was introduced in 1971 as the first of its kind?

  • Intel 4004 (correct)
  • Intel 8086
  • AMD 386
  • ARM Cortex

What technology was developed between 1973 and 1976 that enabled local area networking?

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

Which programming language was introduced in 1954 and is recognized as the first successful high-level programming language?

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

What is the primary focus of computer ethics?

<p>Moral standards governing the use of computers (B)</p> Signup and view all the answers

What year was the first personal computer, the IBM PC, introduced?

<p>1981 (D)</p> Signup and view all the answers

Which type of software is designed for user-specific tasks like document editing and data analysis?

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

Which of the following is NOT typically a characteristic of system software?

<p>Facilitates user-specific tasks (A)</p> Signup and view all the answers

Which device marked the personal computer boom following the introduction of early microcomputers in the 1970s?

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

What is the purpose of the Control Unit (CU) in a computer system?

<p>To manage the flow of data between components (C)</p> Signup and view all the answers

What was unique about the Apple Macintosh introduced in 1984?

<p>It was the first computer with a graphical user interface. (A)</p> Signup and view all the answers

Which contributor to computer ethics laid the foundation for research with the publication 'The Human Use of Human Beings'?

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

Which of the following best describes RAM (Random Access Memory)?

<p>Temporary storage that speeds up CPU operations (A)</p> Signup and view all the answers

What is an example of cybercrime?

<p>Unauthorized access to computer systems (C)</p> Signup and view all the answers

Which component is considered the central hub connecting all parts of a computer?

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

Who were the inventors credited with the development of the integrated circuit in 1958?

<p>Jack Kilby and Robert Noyce (A)</p> Signup and view all the answers

Which type of software serves as a control and operation layer for the computer’s hardware?

<p>System Software (C)</p> Signup and view all the answers

What is the primary function of the Arithmetic and Logic Unit (ALU)?

<p>To perform arithmetic and logic operations (C)</p> Signup and view all the answers

Donn Parker's studies primarily focused on what aspect of computer use?

<p>Unethical and illegal uses of computers (A)</p> Signup and view all the answers

Which of the following statements about the Power Supply Unit (PSU) is true?

<p>It converts external power for system use (D)</p> Signup and view all the answers

Which factor is critical for ensuring a stable system performance during high-power tasks?

<p>Wattage rating of the Power Supply Unit (D)</p> Signup and view all the answers

Which software category includes tools like compilers and operating systems?

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

What does the Clock Speed (GHz) of a computer component indicate?

<p>The processing speed of the component (B)</p> Signup and view all the answers

In the context of memory characteristics, what is meant by 'address partitions'?

<p>Divisions within memory for data organization (D)</p> Signup and view all the answers

What does the tag for line breaks do?

<p>Creates a new line without starting a new paragraph (D)</p> Signup and view all the answers

Which of the following is a physical tag for bold text?

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

What is the purpose of comments in HTML?

<p>They insert notes ignored by the browser (B)</p> Signup and view all the answers

Which tag is used for inserting images in HTML?

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

How are HTML colors specified?

<p>Using HEX or RGB values (C)</p> Signup and view all the answers

Which attribute in the tag specifies the source of the image?

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

What is the correct tag for creating hyperlinks in HTML?

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

Which of the following character entities represents the less than symbol?

<p>&lt; (D)</p> Signup and view all the answers

What is a key advantage of mesh topology in networking?

<p>Failure of one node does not affect others. (B)</p> Signup and view all the answers

What is one major disadvantage of the Internet?

<p>High installation cost due to extensive cabling. (B)</p> Signup and view all the answers

Which protocol suite was developed to underpin the Internet?

<p>TCP/IP. (D)</p> Signup and view all the answers

What significant event occurred in 1962 that contributed to the Internet's development?

<p>The suggestion to connect computers by J.C.R. Licklider. (D)</p> Signup and view all the answers

What was the main purpose of developing ARPAnet?

<p>To create a network resistant to nuclear attacks. (A)</p> Signup and view all the answers

What is one of the main characteristics of the Internet?

<p>A global system of interconnected networks. (B)</p> Signup and view all the answers

Which of the following describes a disadvantage of mesh topology?

<p>Expensive setup compared to other topologies. (C)</p> Signup and view all the answers

Who designed ARPAnet, the first inter-networking system?

<p>Larry Roberts. (D)</p> Signup and view all the answers

What is the primary function of a web browser?

<p>To access and display web pages (B)</p> Signup and view all the answers

Which of the following best defines an IP address?

<p>A numerical identifier for any device connected to the internet (A)</p> Signup and view all the answers

What does the HTTP protocol primarily ensure?

<p>Web pages are correctly transferred and viewed (D)</p> Signup and view all the answers

What is the role of DNS in the context of the internet?

<p>To map domain names to their corresponding IP addresses (C)</p> Signup and view all the answers

What is a URL used for?

<p>To access resources on the web (A)</p> Signup and view all the answers

Which statement best describes 'web hosting'?

<p>The service that allows websites to be stored and accessed (D)</p> Signup and view all the answers

Which of the following describes email?

<p>Instant, electronic mail that can be sent to anyone worldwide (C)</p> Signup and view all the answers

What is meant by a 'homepage'?

<p>The main introductory page of a website (C)</p> Signup and view all the answers

Flashcards

Von Neumann Architecture

A computer architecture that combines data and instructions in a single memory space.

Control Unit (CU)

The part of the CPU that manages the flow of data and instructions.

Arithmetic Logic Unit (ALU)

The part of the CPU that performs arithmetic and logical operations.

Motherboard

The main circuit board of a computer that connects all the components.

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RAM (Random Access Memory)

Temporary storage for immediate data access; used for multitasking and rendering.

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Clock Speed (GHz)

Measurement of how fast the computer processor executes instructions.

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Power Supply Unit (PSU)

Converts external power into useable power for the computer.

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Memory Unit

Part of a computer system that stores data and instructions.

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Transistor (1947)

Replaced vacuum tubes with smaller, reliable, energy-efficient circuits, crucial for miniaturization.

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Microprocessor (1971)

First integrated circuit combining central processing unit functions in a single chip; a significant step towards miniaturization.

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Integrated Circuit (1958)

Combined numerous electronic components onto one chip; enabled miniaturization of electronic devices.

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FORTRAN (1954)

First successful high-level programming language, simplifying scientific calculations.

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Personal Computer (1974/1975)

First computers designed for individual users. Marked the start of the personal computer revolution.

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Ethernet (1973-1976)

Network technology enabling local area networking.

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IBM PC (1981)

Set the standard for personal computers, due to its open architecture and use of MS-DOS.

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Apple Macintosh (1984)

Introduced a user-friendly WIMP interface (Windows, Icons, Mouse, Pointer), revolutionizing user interaction.

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Computer Ethics

A branch of ethics that addresses the moral standards governing the use of computers, considering issues like privacy, intellectual property rights, and societal impacts.

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System Software

Software that controls and operates the computer's hardware, acting as an interface between the user and the computer.

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Application Software

Software designed for user-specific tasks like document editing, data analysis, and entertainment.

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Cybercrime

Crimes involving computers and networks, such as hacking, identity theft, and online fraud.

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Norbert Wiener

A pioneer in computer ethics who laid the foundation for research in this field with his book 'The Human Use of Human Beings'.

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Donn Parker

A researcher who studied unethical and illegal computer uses, contributing to the understanding of computer-related crimes.

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Joseph Weizenbaum

A computer scientist who created ELIZA, an early artificial intelligence program, and raised concerns about the ethical implications of AI.

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What is the purpose of ethical guidelines in computer use?

Ethical guidelines aim to ensure the responsible and morally acceptable use of computers, taking into account potential impacts on individuals and society.

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What is the Internet?

A global network of interconnected computer networks that allows the exchange of data and communication.

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ARPA/DARPA

The Advanced Research Projects Agency (ARPA) was a U.S. Department of Defense organization that played a key role in the development of the internet.

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ARPAnet

The first network designed to survive potential nuclear attacks; it was the precursor to the internet.

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Packet Switching

The fundamental technology for the internet, where data is broken down into packets and sent separately.

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TCP/IP

The protocol suite that underpins the internet, responsible for sending data over networks.

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Mesh Topology

A network structure where every node is connected to every other node.

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Advantages of Mesh Topology

Robust, fault-tolerant, and secure.

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Disadvantages of Mesh Topology

Complex setup, high installation cost due to extensive cabling.

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Line Break

A character that creates a new line without starting a new paragraph.

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Horizontal Rule

A visual element that creates a horizontal line for section separation.

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Comment

Text inserted into code that is ignored by the browser. Used to add notes and explanations.

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HTML

HyperText Markup Language. Used to create web pages.

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HTML Images

Images inserted into web pages using the <img> tag.

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HTML Lists

Lists used to organize items in a web page using <ul> (unordered) and <ol> (ordered) tags.

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HTML Hyperlinks

Links that allow users to navigate to different web pages or sections of a page, using the <a> tag.

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Entity

A special character representation in HTML.

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Domain Name

A unique address for a website, associated with an IP address, making websites easy to remember.

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Browser

A software like Mozilla Firefox or Internet Explorer that lets you access and view web pages.

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DNS (Domain Name System)

A system that maps domain names (like google.com) to their corresponding IP addresses, making it easy to reach websites.

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IP Address

A unique numerical identifier for every device connected to the internet, like a unique house address.

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URL (Uniform Resource Locator)

The address used to access resources on the web, like http://www.example.com.

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Web Hosting

A service that stores and provides access to websites, ensuring they're available online.

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Study Notes

Overview of Computing

  • Computing encompasses five key disciplines: Information Systems (IS), Information Technology (IT), Computer Science, Software Engineering, and Computer Engineering.
  • Before 1945, "computers" were humans.
  • Modern computing, post-1945, involves machines based on Von Neumann's model.
  • Computing manages, processes, and communicates information via computers.
  • Key functions include input, processing, storage, and output.

Information Systems (IS)

  • IS focuses on business decision-making via data systems.
  • Management Information Systems (MIS) manage data for informed business decisions.

Information Technology (IT)

  • IT involves solving business problems through technology.
  • It manages technology resources, develops strategies, and assists in technology planning for executives.

Computer Science

  • This discipline studies the theoretical and technical aspects of computing.
  • Responsibilities include algorithm development, software systems, and data transfer methodology.

Computer Engineering

  • This discipline focuses on the development and integration of hardware components.
  • Responsibilities include designing microchips, processors, and other hardware components.

Artificial Intelligence (AI)

  • AI focuses on creating machines that mimic human intelligence.
  • Concepts include Machine Learning (ML) - enabling machines to learn tasks using statistical models, and Deep Learning (DL) - employing neural networks with various layers for complex decision-making.
  • Applications include smart assistants, autonomous vehicles, predictive healthcare systems, and more.

Augmented Reality (AR) and Virtual Reality (VR)

  • AR enhances real-world objects with digital overlays.
  • VR simulates immersive virtual environments for various uses.
  • Applications include medical training and gaming.

Cloud Computing

  • Cloud computing is internet-based computing for services like storage, and software, offered as a cost-saving alternative to on-premise solutions.
  • Benefits include global scalability, enhanced performance, and disaster recovery options.
  • Types include public cloud (shared third-party resources), private cloud (exclusive to an organization), and hybrid cloud (blending public and private).

Internet of Things (IoT)

  • IoT refers to interconnected devices sharing data without human interaction.
  • Applications include smart homes, smart cities, and energy-efficient solutions.

Big Data

  • Big data encompasses enormous and complex datasets requiring advanced processing.
  • Types of datasets include structured (organized), unstructured (unorganized), and semi-structured (partially organized).

Computer Ethics

  • Ethics provides a framework of standards and practices for moral decision-making.
  • Computer ethics addresses moral issues arising from computer use, encompassing privacy, intellectual property rights, responsible use, and societal impact of technology.

History of Computers

  • 18th Century: Early mechanical innovations (e.g., Jacquard Loom, Vaucanson's Automata).
  • 19th Century: Programmable machines (e.g., Jacquard Loom).
  • 20th Century: Theoretical foundations (e.g., Turing Machine, Gödel's incompleteness theorem).
  • 1940s-1950s: Electronic computers (e.g., ENIAC).
  • 1970s-present: Personal computers, microprocessors, and computer networking.

Hardware Breakthroughs

  • 1947: The Transistor - replacing vacuum tubes.
  • 1958: The Integrated Circuit - miniaturization of electronic elements.

Computer Systems Organization (Hardware)

  • Hardware focuses on the physical components of a computing system.
  • Includes external components (e.g., monitor, keyboard, case, mouse) and internal components (e.g., motherboard, CPU, RAM).
  • The CPU (Central Processing Unit) executes instructions.
  • RAM (Random Access Memory) provides temporary, fast access to data.
  • Storage devices (HDD, SSD) store data persistently.
  • The Motherboard provides connections between components.
  • The Graphics Processing Unit (GPU) handles visual rendering and parallel computation.
  • The Power Supply Unit (PSU) converts power.

Computer Systems Organization (Software)

  • Software refers to the set of instructions that control the operation of the computer.
  • This includes System Software and Application Software.
  • System Software controls and extends computer capabilities.
  • Application Software includes general programs focused on user needs.

Computer Networking

  • A computer network interconnects multiple computers for file and resource sharing.
  • Network types based on coverage area include LAN, MAN, and WAN.
  • Essential components of a network include network cables, routers, network cards (NICs).

The Internet

  • A global network of interconnected computer networks for data exchange and communication.
  • Development milestones include ARPANET, NSFNET, and the evolution of protocols like TCP/IP and HTTP.
  • Key figures include Tim Berners-Lee, who developed the World Wide Web (WWW).

JavaScript Programming

  • JavaScript is an interpreted language used for client-side validation, dynamic Web page updates, and more.
  • Variables are declared using the keyword "var."

CSS (Cascading Style Sheets)

  • CSS controls how HTML elements are displayed.
  • Types of CSS include Inline styles, Internal stylesheets, and External stylesheets.

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Description

This quiz covers the fundamental aspects of computing, including the five key disciplines: Information Systems, Information Technology, Computer Science, Software Engineering, and Computer Engineering. Explore how these fields interrelate and contribute to modern computing practices. Test your understanding of concepts such as management information systems and technology resources.

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