Digital Electronics-Memory and Storage
Digital Electronics-Memory and Storage
72. Which is not a hard disk performance parameter?
- Seek time
- Break time
- Latency period
- Access time
73. The ideal memory ________.
- has high storage capacity
- is nonvolatile
- has in-system read and write capacity
- has all of the above characteristics
74. To which pin on the RAM chip does the address decoder connect in order to signal which memory chip is being accessed?
- The address input
- The output enable
- The chip enable
- The data input
75. EEPROM stands for ________.
- encapsulated electrical programmable read-only memory
- elementary electrical programmable read-only memory
- electrically erasable programmable read-only memory
- elementary erasable programmable read-only memory
77. Describe the timing diagram of a write operation.
- First the data is set on the data bus and the address is set, then the write pulse stores the data.
- First the address is set, then the data is set on the data bus, and finally the read pulse stores the data.
- First the write pulse stores the data, then the address is set, and finally the data is set on the data bus.
- First the data is set on the data bus, then the write pulse stores the data, and finally the address is set.
78. What is the bit storage capacity of a ROM with a 1024 × 8 organization?
- 1024
- 2048
- 4096
- 8192
79. Which of the following is one of the basic characteristics of DRAMs?
- DRAMs must have a constantly changing input.
- DRAMs must be periodically refreshed in order to be able to retain data.
- DRAMs have a broader "dynamic" storage range than other types of memories.
- DRAMs are simpler devices than other types of memories.
80. The main advantage of semiconductor RAM is its ability to:
- retain stored data when power is interrupted or turned off
- be written to and read from rapidly
- be randomly accessed
- be sequentially accessed