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
More in Digital Electronics:
Boolean Algebra and Logic SimplificationCode Converters and MultiplexersCombinational Logic AnalysisCombinational Logic CircuitsComputersCountersDescribing Logic CircuitsDigital Arithmetic Operations and CircuitsDigital ConceptsDigital DesignDigital Signal ProcessingDigital System Projects Using HDLEx-OR and Ex-NOR GatesFlip-FlopsIntegrated-Circuit Logic FamiliesIntegrated Circuit TechnologiesInterfacing to the Analog WorldLogic Families and Their CharacteristicsLogic GatesMemory and StorageMicroprocessor FundamentalsMSI Logic CircuitsMultivibrators and 555 TimerNumber Systems and CodesProgrammable Logic DeviceShift RegistersSignals and SwitchesThe 8051 MicrocontrollerProgramming
Copyright ©CuriousTab. All rights reserved.