Computer Architecture Basics Quiz
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Questions and Answers

What are the architectural attributes of a computer system?

  • Color, size, and weight
  • Keyboard, mouse, monitor resolution
  • Instruction set, data representation, I/O mechanisms (correct)
  • Operating system, software applications, RAM

    • What is the significance of the von Neumann architecture in computer systems?

  • It emphasized the use of a shared memory for data and instructions (correct)
  • It improved the physical design of CPUs
  • It introduced color displays in computers
  • It introduced voice recognition technology

    • How does the IBM System/370 architecture protect a customer's software investment?

  • By discontinuing all previous software versions with new model releases
  • By introducing new software with every model upgrade
  • By allowing upgrading to faster models while retaining the same architecture (correct)
  • By changing the architecture completely with each model release

    • What is the function of the Control Unit in a CPU?

    <p>Control the flow of data between CPU components</p> Signup and view all the answers

    What does 'Function' refer to in computer systems?

    <p>The operation of individual components within the system structure</p> Signup and view all the answers

    In computer architecture, what are considered as part of the 'Structure'?

    <p>Logical components relations and top-level peripherals</p> Signup and view all the answers

    What unit is used to measure processor speeds?

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

    Which unit is typically used to measure main memory (RAM)?

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

    Which historical figure designed the Difference Engine, a key development in computing history?

    <p>Charles Babbage</p> Signup and view all the answers

    In computing, what does the term 'byte' represent?

    <p>A unit of storage</p> Signup and view all the answers

    What was the significance of the Atanasoff Berry Computer in computing history?

    <p>Solving systems of linear equations</p> Signup and view all the answers

    Which metric prefix denotes a quantity equivalent to 1 trillion?

    <p>Tera-</p> Signup and view all the answers

    What idea did the 8080, 8086, and 8088 versions spawn?

    <p>Personal computing</p> Signup and view all the answers

    According to Moore's Law, what is expected to double every 18 months?

    <p>The density of silicon chips</p> Signup and view all the answers

    What did Arthur Rock's Law predict to double every four years?

    <p>The cost of capital equipment</p> Signup and view all the answers

    What is the main focus of Level 6 in the Computer Level Hierarchy?

    <p>Program execution and user interaction</p> Signup and view all the answers

    Which law must fall for Moore's Law to hold, according to the text?

    <p>Rock's Law</p> Signup and view all the answers

    What is the significance of the machines at each level in the Computer Level Hierarchy?

    <p>They call upon machines at lower levels to perform tasks.</p> Signup and view all the answers

    Which level in the Computer Level Hierarchy is responsible for decoding and executing instructions?

    <p>Level 1: Control Level</p> Signup and view all the answers

    At which level do programs need no compilers, interpreters, or assemblers?

    <p>Level 2: Machine Level</p> Signup and view all the answers

    Which level in the Computer Level Hierarchy is known as the Instruction Set Architecture (ISA) Level?

    <p>Level 2: Machine Level</p> Signup and view all the answers

    What is the purpose of the System Software Level in the Computer Level Hierarchy?

    <p>Controls executing processes on the system</p> Signup and view all the answers

    Which level consists of digital circuits such as gates and wires?

    <p>Level 0: Digital Logic Level</p> Signup and view all the answers

    What are control units in the Computer Level Hierarchy responsible for?

    <p>Implementing microprograms written in low-level languages</p> Signup and view all the answers

    What components implement the mathematical logic of all other levels in the Von Neumann Model?

    <p>CPU, Main memory, I/O</p> Signup and view all the answers

    Which component in the fetch-decode-execute cycle fetches the next instruction from memory?

    <p>Control unit</p> Signup and view all the answers

    What happens when an instruction is decoded in the fetch-decode-execute cycle?

    <p>Results are placed in registers</p> Signup and view all the answers

    What is the main function of the ALU in the von Neumann Model?

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

    Which part of a von Neumann system determines where the next instruction is located in memory?

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

    What is the purpose of placing data operands into registers within the CPU during execution of instructions?

    <p>To provide quick access for the ALU</p> Signup and view all the answers

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