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Home Digital Electronics Memory and Storage Comments

  • Question
  • The 2147 4K × 1 static RAM contains 4096 storage locations storing one bit each. ________ 2147 RAM memory chip(s) is/are needed to configure an 8K × 8 memory.


  • Options
  • A. One
  • B. Four
  • C. Eight
  • D. Sixteen

  • Correct Answer
  • Sixteen 


  • Memory and Storage problems


    Search Results


    • 1. A DIMM ________.

    • Options
    • A. is available in 30-pin or 72-pin packages
    • B. has contact pins on only one side of the module
    • C. has less memory than the newer SIMM modules
    • D. has contact pins on both sides of the module for larger data paths
    • Discuss
    • 2. A type of memory that is accessed serially (one location after the other) is a ________.

    • Options
    • A. ROM
    • B. read/write memory
    • C. shift register
    • D. PLD
    • Discuss
    • 3. The checkerboard pattern test is used to test ________.

    • Options
    • A. ROM
    • B. EEPROM
    • C. FPLA
    • D. RAM
    • Discuss
    • 4. A device that needs constant refreshing to avoid losing data is a(n) ________.

    • Options
    • A. SRAM
    • B. DRAM
    • C. ROM
    • D. EPROM
    • Discuss
    • 5. A ________ is user-programmable memory that cannot be erased and reprogrammed.

    • Options
    • A. ROM
    • B. EPROM
    • C. EEPROM
    • D. PROM
    • Discuss
    • 6. The address space of a RAM memory can be expanded using a decoder and additional memory ICs. The output of the decoder should be connected to which input line of the memory?

    • Options
    • A. The most significant address inputs
    • B. The most significant data inputs
    • C. The read/write line
    • D. The chip enable
    • Discuss
    • 7. Information that is stored in a mask ROM ________.

    • Options
    • A. can be modified by using special equipment
    • B. is stored by the manufacturer and cannot be changed
    • C. is lost if power is interrupted
    • D. can be modified by using special equipment and is lost if power is interrupted
    • Discuss
    • 8. ROM access time is defined as ________.

    • Options
    • A. how long it takes to program the ROM chip
    • B. being the difference between the READ and WRITE times
    • C. the time it takes to get valid output data after a valid address is applied
    • D. the time required to activate the address lines after the ENABLE line is at a valid level
    • Discuss
    • 9. Dynamic memory is memory ________.

    • Options
    • A. that will maintain storage even if power is removed
    • B. whose data can never be altered
    • C. that must be refreshed periodically or it will lose storage
    • D. that maintains storage as long as power is applied
    • Discuss
    • 10. PROMs are programmed by ________ fuses.

    • Options
    • A. zapping
    • B. blowing
    • C. charging
    • D. inputting
    • Discuss


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