Computer Hardware and Software Overview
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Questions and Answers

Which type of printer is emphasized as the most recently designed?

  • Dot matrix printer
  • Inkjet printer (correct)
  • Thermal printer (correct)
  • Laser printer

    • What is the primary purpose of a tape unit?

  • To process input data continuously
  • To serve as a cheap backup for vital information (correct)
  • To enhance graphic performance
  • To serve as the primary storage device

    • What characterizes application software in its interaction with a computer?

  • It is not necessary for basic computer functions. (correct)
  • It utilizes system software for interactions. (correct)
  • It directly manages hardware components.
  • It consists only of coding languages.

    • What are the two main categories of computer software?

    <p>System and application software</p> Signup and view all the answers

    Which of the following is NOT an example of system software?

    <p>Photo editing software</p> Signup and view all the answers

    Which type of keyboard is mentioned as one of the two main types?

    <p>Standard keyboard</p> Signup and view all the answers

    What aspect of hardware does the content emphasize?

    <p>It refers to physical components of a computer.</p> Signup and view all the answers

    What does the term 'ubiquitous' refer to in the context of computers?

    <p>Computers that are present everywhere</p> Signup and view all the answers

    Which of the following best describes a personal digital assistant (PDA)?

    <p>A handheld device for managing personal information</p> Signup and view all the answers

    Which classification of computers is most directly related to the technology used in their operation?

    <p>Technology innovation classification</p> Signup and view all the answers

    What is the primary distinction between RAM and ROM?

    <p>RAM can be written and read from, whereas ROM cannot be modified easily</p> Signup and view all the answers

    In the context of computer components, which of the following is classified as hardware?

    <p>Physical devices like keyboards and mice</p> Signup and view all the answers

    Which of the following is NOT a classification based on the purpose of a computer?

    <p>Mathematical computers</p> Signup and view all the answers

    What aspect of computing does the history of computing primarily focus on?

    <p>The evolution and development of computer technology over time</p> Signup and view all the answers

    Which of the following best describes a tablet computer?

    <p>A portable computer with a touchscreen interface</p> Signup and view all the answers

    What is a primary feature of the fourth generation of computers?

    <p>Introduction of microprocessors</p> Signup and view all the answers

    What characterizes the software of fifth generation computers?

    <p>Integration of artificial intelligence</p> Signup and view all the answers

    Which computer is an example of fourth generation technology?

    <p>Burroughs B7700</p> Signup and view all the answers

    What kind of circuit is predominantly used in fifth generation computers?

    <p>Very Large Integrated Circuit</p> Signup and view all the answers

    Which characteristic is NOT associated with fourth generation computers?

    <p>Data-driven architecture</p> Signup and view all the answers

    What is the architecture basis of the sixth generation of computers?

    <p>Neural networks</p> Signup and view all the answers

    Digital computers are primarily used for which type of tasks?

    <p>Performing arithmetic operations</p> Signup and view all the answers

    Which of the following is NOT a classification of computers based on data presentation?

    <p>Quantum computers</p> Signup and view all the answers

    What major aspect is expected to characterize future generations of computers?

    <p>Advancement in artificial intelligence</p> Signup and view all the answers

    Which of the following statements about the transition from fourth to fifth generation computers is correct?

    <p>Fifth generation emphasized artificial intelligence</p> Signup and view all the answers

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

    <p>Execute arithmetic and logical operations</p> Signup and view all the answers

    Which of the following activities primarily takes place in the Central Processing Unit (CPU)?

    <p>Data processing and computation</p> Signup and view all the answers

    Which component is responsible for reading the next instruction in a program?

    <p>Control Unit (CU)</p> Signup and view all the answers

    What type of memory is RAM and what does it do?

    <p>Volatile memory storing data temporarily</p> Signup and view all the answers

    What is the main function of an input device in a computer system?

    <p>To send data into the CPU for processing</p> Signup and view all the answers

    Which statement best describes the function of the Control Unit (CU)?

    <p>Coordinates operations between different components</p> Signup and view all the answers

    Which of the following examples is NOT typically classified as an input device?

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

    What does the acronym GIGO stand for in the context of data processing?

    <p>Garbage In Garbage Out</p> Signup and view all the answers

    What is the primary purpose of a joystick in a computing context?

    <p>To control a pointer on the screen</p> Signup and view all the answers

    What layout is commonly used for computer keyboards, derived from typewriters?

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

    Which of the following is true about secondary storage?

    <p>It stores data permanently even when powered off</p> Signup and view all the answers

    Which input device is specifically designed to capture sound?

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

    In what way does the Central Processing Unit (CPU) act as the brain of a computer?

    <p>It processes instructions and carries out operations</p> Signup and view all the answers

    Which component is not typically found in the system unit of a computer?

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

    Which of the following best describes the function of registers in a CPU?

    <p>Provide fast access to necessary data for execution</p> Signup and view all the answers

    All of the following are functions of input devices EXCEPT:

    <p>Providing a visual interface for users</p> Signup and view all the answers

    What physical characteristic of a mouse inspired its naming?

    <p>Its shape resembles a real mouse</p> Signup and view all the answers

    The primary role of the main memory in relation to the CPU is to:

    <p>Temporarily hold data for quick access</p> Signup and view all the answers

    What kind of images can a digital camera capture?

    <p>Both still and moving images</p> Signup and view all the answers

    Which of the following devices is likely to use a touch interface for data input?

    <p>Graphics Tablet</p> Signup and view all the answers

    Study Notes

    Course Information

    • Course Title: Introduction to Computing
    • Course Code: COS 101
    • Credit Unit: 3

    Table of Contents

    • Module 1: Computing
      • Concepts (3-4)
      • Brief history of computing (4)
      • Classification based on technology innovation (5-6)
      • Classification based on method of data representation (7)
      • Classification based on purpose (8-9)
    • Module 2: Computer Components
      • Hardware (10)
        • Difference between RAM and ROM (11)
        • Diagram illustrating major components (12-13)
        • Peripheral devices (15-16)
      • Software (17)
        • Operating systems (18-20)
    • Module 3: Application of Computers (21-23)
      • Computer Science (24)

    Module 1: Introduction to Computing

    • Basic Concepts
      • Computers are indispensable tools in modern life
      • Handheld computers (PDAs, tablets, smartphones) have made them ubiquitous
    • Brief History of Computing
      • Digital computers use discrete electrical pulses to represent data
      • Early development stages include devices like the ABACUS, slide rule, mechanical calculators
      • Notable figures in development include Pascal, Leibniz, Babbage, Hollerith, Boole, Turing, Mauchly and Eckert
    • Classification of Computers
      • Based on categories like technology innovation, method of data representation, purpose, and processing speed
      • First-generation computers used vacuum tubes, were large and expensive
      • Second-generation computers used transistors, smaller and more efficient
      • Third-generation computers used integrated circuits, smaller and faster
      • Fourth-generation computers used microprocessors
      • Fifth-generation computers focused on Artificial Intelligence

    Module 2: Computer Components

    • Computer Hardware
      • Different types of computer hardware components and their main functions
      • Key components are:
        • Input units (keyboard, mouse, microphone)
        • Output units (monitor, printer)
        • System unit (CPU, RAM, storage devices)
    • Difference Between RAM and ROM
      • RAM is volatile storage, lost when power is off
      • ROM is non-volatile storage, permanently stored, read-only instructions
    • Peripheral Devices
      • These can be input or output devices, examples like printers, scanners, mice.
    • Computer Software
      • Operating Systems (OS)
        • Manage computer hardware and software resources
        • Examples: Windows, macOS, Linux
      • Utility Programs
        • Help optimize computer performance
        • Examples: Antivirus, backup, compression tools
    • Components of the Computer
      • Hardware (physical parts)
        • Input units, Output units, System unit (CPU, memory, storage)
        • Peripheral devices
      • Software (programs)
        • Operating systems, utility software, application software
      • Computer components like the Input, processing and Output units
      • Primary memory like RAM and ROM
      • Secondary memory that includes hard drives, optical drives, flash drives, etc.

    Module 3: Application of Computers

    • Applications of Computers
      • Education (e-learning, research)
      • Entertainment (gaming, movie viewing, music)
      • Advertising (marketing with visual and sound effects)
      • Science and engineering (complex calculation, modelling)
      • Government (e-governance, data management, service delivery)
      • The growing importance of computers in home use
      • Examples of various application areas

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    Related Documents

    COS 101 Modules 1-3 (KWASU) PDF

    Description

    This quiz explores essential concepts related to computer hardware and software. It covers topics such as types of printers, software interactions, and classifications of computers. Test your knowledge on the primary distinctions and purposes of various computing components.

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