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Home Digital Electronics Memory and Storage Comments

  • Question
  • Flash memories are so called because of the rapid ________ times.


  • Options
  • A. read and write
  • B. format and erase
  • C. erase and read
  • D. erase and write

  • Correct Answer
  • erase and write 


  • Memory and Storage problems


    Search Results


    • 1. In DRAM operations, it is assumed that R/W is in its ________ state during a ________ operation.

    • Options
    • A. HIGH, read
    • B. Hi-Z, write
    • C. HIGH, write
    • D. Hi-Z, read
    • Discuss
    • 2. The number of 16k × 4 memories needed to construct a 128k × 8 memory is ________.

    • Options
    • A. 4
    • B. 8
    • C. 12
    • D. 16
    • Discuss
    • 3. The minimum number of address lines needed for a 64K memory is ________.

    • Options
    • A. 10
    • B. 12
    • C. 14
    • D. 16
    • Discuss
    • 4. The memory operation that presents data on the memory outputs after entering a new address is called ________.

    • Options
    • A. a read cycle
    • B. a write cycle
    • C. a refresh cycle
    • D. a chip select
    • Discuss
    • 5. The major advantage of dynamic RAM over static RAM is ________.

    • Options
    • A. cost
    • B. speed
    • C. storage density
    • D. cost and storage density
    • Discuss
    • 6. Assume a ROM to be tested is compared with a known good ROM. If the checksums differ, the ROM is ________.

    • Options
    • A. very likely to be good
    • B. definitely good
    • C. very likely to be bad
    • D. definitely bad
    • Discuss
    • 7. A CD-ROM is a form of read-only memory in which data are stored as ________.

    • Options
    • A. magnetic "bubbles"
    • B. magnetized spots
    • C. "pits" on an optical disk
    • D. tiny "pinholes" in an opaque substance
    • Discuss
    • 8. All rows in a 2118 dynamic RAM need to be refreshed ________.

    • Options
    • A. every second
    • B. every millisecond
    • C. every 50 milliseconds
    • D. every 2 milliseconds
    • Discuss
    • 9. When a computer is executing a program of instructions, the CPU will ________ memory locations as dictated by the program instructions.

    • Options
    • A. format
    • B. scan
    • C. store data into
    • D. verify
    • Discuss
    • 10. Read-only memory is memory ________.

    • Options
    • A. that has unlimited storage capacity
    • B. whose data can never be altered by the user
    • C. that must be refreshed periodically or it will lose storage
    • D. that maintains storage as long as power is applied
    • Discuss


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