Computer Hardware Architecture Components Quiz
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Questions and Answers

What part of a computer hardware architecture coordinates/manage virtual machines?

  • Secondary Memory
  • Central Processing Unit
  • Hypervisor (correct)
  • Main Memory
  • Which type of cloud computing service allows complete control over infrastructure and operates on a pay-as-you-use model?

  • PAAS
  • IAAS (correct)
  • SAAS
  • None of the above
  • What type of storage device is used in computers to store and preserve accumulated data?

  • Off-line Storage
  • Primary Storage (correct)
  • Tertiary Storage
  • Main Memory
  • In cloud computing, what does the acronym PAAS stand for?

    <p>Platform as a Service</p> Signup and view all the answers

    Which type of memory is connected to the CPU in a computer system?

    <p>Main Memory</p> Signup and view all the answers

    What is the main benefit of cloud computing related to 'Global scale'?

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

    Which of the following is an example of a local area network (LAN)?

    <p>A network of devices in a home</p> Signup and view all the answers

    What are the objectives of Security?

    <p>Confidentiality, Integrity, Availability</p> Signup and view all the answers

    Which of the following is a benefit of a LAN?

    <p>Sharing printers</p> Signup and view all the answers

    What is an example of a secondary storage device?

    <p>Hard Disk</p> Signup and view all the answers

    Which of the following is a phase of Software Development Life Cycle (SDLC)?

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

    What is the purpose of data encryption?

    <p>To protect data from unauthorized access</p> Signup and view all the answers

    Study Notes

    Hardware Components

    • A computer consists of Central Processing Unit (CPU), Main Memory, Secondary Memory, I/O Devices, and Network Connection
    • I/O Devices include screen, keyboard, mouse, microphone, speaker, touchpad, etc.

    Virtual Machines (VMs)

    • A single computer can be divided into multiple virtual computers, each running its own Operating System (OS) and behaving like an independent computer
    • A hypervisor is the software layer that coordinates and manages VMs

    Cloud Computing

    • Cloud Computing is the delivery of computing services over the internet (cloud)
    • Benefits of Cloud Computing include: Cost, Speed, Productivity, Global scale, Performance, Reliability, and Security
    • IAAS (Infrastructure as a Service) allows complete control over infrastructure and operates on a pay-as-you-use model
    • PAAS (Platform as a Service) is a platform for developers to program, test, run, and maintain applications
    • SAAS (Software as a Service) is an application that interfaces between the cloud and user

    Storage Devices

    • Storage devices can be divided into four parts: Primary Storage, Secondary Storage, Tertiary Storage, and Off-line Storage
    • Main memory is connected to the CPU
    • Examples of storage devices include hard disks (Secondary Storage) and USB flash drives (removable storage devices)

    Networking

    • A Local Area Network (LAN) is a collection of devices connected together in one physical location
    • Benefits of a LAN include sharing printers
    • Most home networks are peer-to-peer
    • The internet is a global network that connects billions of computers across the world
    • Advantages of the internet include instant messaging, cloud computing, online shopping, and online banking
    • Network mapping is used to simplify network monitoring and swiftly pinpoint network faults

    Security

    • Software security protects software programs from malicious threats, such as viruses or malware
    • Cybersecurity threats include trojan horse and ransomware attacks
    • Objectives of Security include Confidentiality, Integrity, and Availability
    • Data encryption transforms readable data into an unreadable, protected format
    • Implementing two-factor authentication requires a user to provide two pieces of information to log into their account

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    Description

    Test your knowledge on the components of computer hardware architecture such as Central Processing Unit, Main Memory, Secondary Memory, I/O Devices, and Network Connection. Learn about virtual machines, operating systems, and the role of a hypervisor in managing VMs. Explore the functionalities of various I/O devices like screens, keyboards, and speakers in a computer system.

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