Difference Between Main Memory and Secondary Storage Quiz
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Questions and Answers

What is the primary key for the table 'Student'?

  • StudentID (correct)
  • ClassID
  • Firstname
  • Year

    • How does an embedded system differ from a standard desktop computer?

  • Standard desktop computer is smaller in size
  • Embedded system has limited functions and is usually dedicated to specific tasks (correct)
  • Embedded system has more processing power
  • Standard desktop computer uses specialized microcontrollers

    • What is the purpose of applying a binary shift left by two places?

  • To decrease the number's value
  • To multiply the number by 2 (correct)
  • To increase the number's value
  • To divide the number by 2

    • In a relational database, how many records are there in the 'Class' table?

    <p>5 records</p> Signup and view all the answers

    Which component of a computer is responsible for long-term data storage?

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

    What type of data is typically stored on optical discs like CD-ROMs, DVD-ROMs, and Blu-rays?

    <p>'Read-only' data that cannot be modified</p> Signup and view all the answers

    What Boolean expression represents the logic circuit in Figure 1?

    <p>Q = A * B</p> Signup and view all the answers

    Which network topology is identified in the school's computer network in Figure 2?

    <p>Star Topology</p> Signup and view all the answers

    What is one main difference between a WAN and a LAN?

    <p>WAN connects devices within a single building while LAN connects over a wider area.</p> Signup and view all the answers

    Which security measure could be used to protect a computer network?

    <p>Regularly updating firewall and antivirus software</p> Signup and view all the answers

    Which protocol would be used to retrieve email stored on a server?

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

    Which protocol is the best choice to use for making a payment securely when purchasing goods from a website?

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

    What is the purpose of secondary storage?

    <p>To store data and programs permanently even when the power is off</p> Signup and view all the answers

    What is the main difference between main memory and secondary storage?

    <p>Main memory has faster access times than secondary storage</p> Signup and view all the answers

    What does the ASCII code value '65' represent?

    <p>Character 'A'</p> Signup and view all the answers

    What is the purpose of embedded systems?

    <p>To perform specific dedicated functions within a larger system</p> Signup and view all the answers

    What is one advantage of Unicode compared to ASCII?

    <p>Unicode uses variable-length encoding</p> Signup and view all the answers

    What is the purpose of application software?

    <p>To perform specific tasks for end-users</p> Signup and view all the answers

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