Basic Concept & Computer Evolution
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Questions and Answers

What is the main function of the control unit in the CPU?

  • Manage communication among the CPU, main memory, and I/O
  • Control the operation of the CPU (correct)
  • Provide internal storage to the CPU
  • Perform data processing functions
  • Which component of the computer moves data between the computer and its external environment?

  • I/O (correct)
  • Main memory
  • Control unit
  • System interconnection
  • What is the primary function of the ALU in the CPU?

  • Control the operation of the CPU
  • Perform the computer’s data processing function (correct)
  • Provide internal storage to the CPU
  • Manage communication among CPU components
  • In a multicore computer structure, what does each core represent?

    <p>Individual processing unit on processor chip</p> Signup and view all the answers

    What is the purpose of cache memory?

    <p>To store data temporarily to speed up memory access</p> Signup and view all the answers

    Which component contains the address of the next instruction pair to be fetched from memory?

    <p>Program counter (PC)</p> Signup and view all the answers

    During which generation of computers was the invention of the integrated circuit?

    <p>Third generation</p> Signup and view all the answers

    What was the fundamental design approach of the IAS computer completed in 1952?

    <p>Stored program concept</p> Signup and view all the answers

    What is the purpose of integrated circuits in a computer?

    <p>To provide data processing capabilities through gates</p> Signup and view all the answers

    Which generation of computers introduced more complex arithmetic and logic units and control units?

    <p>Second generation</p> Signup and view all the answers

    What is the main function of the Memory Address Register (MAR) in a computer?

    <p>Specifies the memory address for read or write</p> Signup and view all the answers

    What is the purpose of the I/O Buffer Register (I/OBR) in a computer?

    <p>Used for data exchange between I/O module and CPU</p> Signup and view all the answers

    What does the Data Bus provide in a computer's system modules?

    <p>Path for data movement among system modules</p> Signup and view all the answers

    In computer architecture, what is the function of the Memory Buffer Register (MBR)?

    <p>Holds data for writing and receives data from memory</p> Signup and view all the answers

    What does the width determine in computer systems?

    <p>Data transfer capacity</p> Signup and view all the answers

    What are the reasons for the shift to point-to-point interconnects?

    <p>Lower latency, higher data rate, better scalability</p> Signup and view all the answers

    What are the features of PCI Express (PCIe) as a point-to-point interconnect?

    <p>High capacity for higher data rate I/O devices</p> Signup and view all the answers

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