Computer Memory Systems Overview Quiz
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Questions and Answers

What is the function of cache memory in a computer system?

  • To act as a high-speed buffer between the CPU and main memory (correct)
  • To store data and instructions for processing
  • To control the flow of data between the computer and external devices
  • To provide long-term storage for large amounts of data
  • Which type of memory is used to store data and instructions in a computer system?

  • Primary Memory (correct)
  • Cache Memory
  • Virtual Memory
  • Secondary Memory
  • What is the primary function of cache memory?

  • To hold frequently used data and program parts for quick access by the CPU (correct)
  • To serve as a long-term storage for large amounts of data
  • To provide storage for permanent storage of data and program instructions
  • To control the input and output operations of the computer system
  • What does the term 'word size' refer to in computer memory systems?

    <p>The number of data bits that can be transferred at one time</p> Signup and view all the answers

    Which access method involves starting at the beginning and reading through data in order?

    <p>Sequential access</p> Signup and view all the answers

    Where is cache memory located in a computer system?

    <p>Internal to the CPU</p> Signup and view all the answers

    Which memory type requires refreshing even when powered?

    <p>Dynamic RAM</p> Signup and view all the answers

    What type of memory is typically used for temporary storage?

    <p>Random Access Memory (RAM)</p> Signup and view all the answers

    Which type of memory is characterized by storing bits as on/off switches?

    <p>Static RAM</p> Signup and view all the answers

    Which memory type is used for permanent storage?

    <p>Read Only Memory (ROM)</p> Signup and view all the answers

    What type of memory is characterized by needing special equipment to program it?

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

    Which type of memory can be erased by UV light?

    <p>Erasable Programmable (EPROM)</p> Signup and view all the answers

    What is the memory cycle time?

    <p>Time required for the memory to 'recover' before next access</p> Signup and view all the answers

    Which memory type is characterized by smaller per bit storage and needing refreshing circuits?

    <p>Dynamic RAM</p> Signup and view all the answers

    What is the rate at which data can be moved in a memory unit called?

    <p>Transfer Rate</p> Signup and view all the answers

    What is the time it takes to perform a read or write operation called?

    <p>Access time (latency)</p> Signup and view all the answers

    Study Notes

    Cache Memory

    • Primary function is to act as a buffer between the main memory and CPU, reducing the time it takes to access data
    • Located close to the CPU to increase access speed

    Memory Types

    • Main Memory: stores data and instructions, volatile, and loses data when powered off
    • Cache Memory: small, fast, and volatile, used for temporary storage
    • ROM (Read-Only Memory): non-volatile, used for permanent storage
    • EPROM (Erasable Programmable Read-Only Memory): can be erased by UV light, needs special equipment to program
    • DRAM (Dynamic Random Access Memory): requires refreshing circuits, smaller per bit storage

    Memory Access and Operations

    • Sequential Access: starting at the beginning and reading through data in order
    • Memory Cycle Time: the time it takes to perform a read or write operation
    • Bandwidth: the rate at which data can be moved in a memory unit
    • Word Size: refers to the number of bits that can be processed by the CPU in a single clock cycle

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    Description

    Test your knowledge of computer memory systems with this quiz. Explore topics such as types of computer memories, cache memory, primary memory, and secondary memory.

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