Memory and Storage Questions and Answers

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Q41
A major disadvantage of the mask ROM is that it:
  • A is time consuming to change the stored data when system requirements change
  • B is very expensive to change the stored data when system requirements change
  • C cannot be reprogrammed if stored data needs to be changed
  • D has an extremely short life expectancy and requires frequent replacement
Answer: Option C
Q42
The periodic recharging of DRAM memory cells is called ________.
  • A multiplexing
  • B bootstrapping
  • C refreshing
  • D flashing
Answer: Option C
Q43
Which of the following is normally used to initialize a computer system's hardware?
  • A Bootstrap memory
  • B Volatile memory
  • C External mass memory
  • D Static memory
Answer: Option A
Q44
What is the difference between static RAM and dynamic RAM?
  • A Static RAM must be refreshed, dynamic RAM does not.
  • B There is no difference.
  • C Dynamic RAM must be refreshed, static RAM does not.
Answer: Option C
Q45
Microprocessors and memory ICs are generally designed to drive only a single TTL load. Therefore, if several inputs are being driven from the same bus, any memory IC must be ________.
  • A buffered
  • B decoded
  • C addressed
  • D stored
Answer: Option A
Q46
Which of the following is NOT a type of memory?
  • A RAM
  • B ROM
  • C FPROM
  • D EEPROM
Answer: Option C
Q47
How many address bits are required for a 4096-bit memory organized as a 512 × 8 memory?
  • A 2
  • B 4
  • C 8
  • D 9
Answer: Option D
Q48
In general, the ________ have the smallest bit size and the ________ have the largest.
  • A EEPROMs, Flash
  • B SRAM, mask ROM
  • C mask ROM, SRAM
  • D DRAM, PROM
Answer: Option A
Q49
Advantage(s) of an EEPROM over an EPROM is/are:
  • A the EPROM can be erased with ultraviolet light in much less time than an EEPROM
  • B the EEPROM can be erased and reprogrammed without removal from the circuit
  • C the EEPROM has the ability to erase and reprogram individual words
  • D the EEPROM can be erased and reprogrammed without removal from the circuit, and can erase and reprogram individual words
Answer: Option D
Q50
The mask ROM is ________.
  • A permanently programmed during the manufacturing process
  • B volatile
  • C easy to reprogram
  • D extremely expensive
Answer: Option A

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