Memory and Storage problems
- 1. Address decoding for dynamic memory chip control may also be used for:
Options- A. controlling refresh circuits
- B. read and write control
- C. chip selection and address location
- D. memory mapping Discuss
Correct Answer: chip selection and address location
- 2. FIFO is formed by an arrangement of ________.
Options- A. diodes
- B. transistors
- C. MOS cells
- D. shift registers Discuss
Correct Answer: shift registers
- 3. The time from the beginning of a read cycle to the end of tACS or tAA is referred to as:
Options- A. access time
- B. data hold
- C. read cycle time
- D. write enable time Discuss
Correct Answer: access time
- 4. Which of the following best describes static memory devices?
Options- A. memory devices that are magnetic in nature and do not require constant refreshing
- B. memory devices that are magnetic in nature and require constant refreshing
- C. semiconductor memory devices in which stored data will not be retained with the power applied unless constantly refreshed
- D. semiconductor memory devices in which stored data is retained as long as power is applied Discuss
Correct Answer: semiconductor memory devices in which stored data is retained as long as power is applied
- 5. To which pin on the RAM chip does the address decoder connect in order to signal which memory chip is being accessed?
Options- A. The address input
- B. The output enable
- C. The chip enable
- D. The data input Discuss
Correct Answer: The chip enable
- 6. For the given circuit, what is the bit length of the output data word?
Options- A. 3
- B. 4
- C. 8
- D. 32 Discuss
Correct Answer: 4
- 7. What part of a Flash memory architecture manages all chip functions?
Options- A. I/O pins
- B. floating-gate MOSFET
- C. command code
- D. program verify code Discuss
Correct Answer: floating-gate MOSFET
- 8. Which of the following is not a flash memory mode or operation?
Options- A. Burst
- B. Read
- C. Erase
- D. Programming Discuss
Correct Answer: Burst
- 9. Advantage(s) of an EEPROM over an EPROM is/are:
Options- 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 Discuss
Correct Answer: the EEPROM can be erased and reprogrammed without removal from the circuit, and can erase and reprogram individual words
- 10. The condition occurring when two or more devices try to write data to a bus simultaneously is called ________.
Options- A. address decoding
- B. bus contention
- C. bus collisions
- D. address multiplexing Discuss
Correct Answer: bus contention
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