Question 1. which of the of the following statement(s) is(are) correct? (a) Vola

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Question 1. which of the of the following statement(s) is(are) correct?

(a) Volatile memory loses all data when power is removed, but is easy to write to.

(b) DRAM needs to be accessed every few microseconds to refresh the charges, otherwise the information is lost.

(c) The storage of program usually requires nonvolatile memory.

(d) Each memory cell cost more in SRAM than DRAM.

(e) EPROM is electrically programmable but EEPROM is not electrically programmable.

Question 2. The mbed use a specific hardware communication interface other than any of the communication protocols we have studied earlier, such as SPI, I2C, UART, etc.

(a) True

(b) False

Explanation / Answer

(c) The storage of program usually requires nonvolatile memory.

(b) False

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