1.2 Memory

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1. Explain the purpose of ROM in a computer system

  • To store the programs and data needed to run a computer when there is no secondary storage so data is not lost when the power is turned off
  • To store data and programs that the CPU is using while programs are running
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2. What does volatile mean?

  • Contents will be lost when the power turns off
  • Contents will not be lost when the power turns off

3. Is ROM volatile or non-volatile?

  • Non-volatile
  • Volatile

4. Explain the purpose of RAM in a computer system

  • Execute instructions
  • Temporarily store instructions and data being used by the CPU
  • Store data and programs that the CPU is using while programs are running
  • Process instructions from the CPU

5. Describe how data is actually stored in ROM and RAM

  • Stored as binary numbers with a pattern of switches in memory
  • Stored as binary numbers with a pattern of switches in memory representing the binary numbers
  • Stored as a pattern of switches representing the binary numbers
  • Stored as binary numbers with a pattern of switches representing the binary
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