Digital Logic and Design MCQs with Answers
Practice important Digital Logic and Design MCQs with answers and explanations.
Multiple Choice Questions
Q841: How many transistors are used in a single DRAM memory cell?
- A: 1
- B: 2
- C: 4
- D: 6
View Answer
A
Q842: What is the advantage of using a single transistor in a DRAM cell?
- A: Increases memory density
- B: Increases speed
- C: Reduces power consumption
- D: Simplifies design
View Answer
A
Q843: What is the purpose of the MOSFET in a DRAM cell?
- A: To increase storage capacity
- B: To connect/disconnect the capacitor
- C: To refresh the memory
- D: To store data
View Answer
B
Q844: Why is address multiplexing used in DRAM?
- A: To reduce the number of address lines
- B: To increase memory speed
- C: To reduce power consumption
- D: To simplify the design
View Answer
A
Q845: What signal is activated to read data in a DRAM read cycle?
- A: RAS
- B: CAS
- C: R/W
- D: DOUT
View Answer
C
Q846: During the FAST Mode Page Access, which signal remains low throughout the page access?
- A: RAS
- B: CAS
- C: R/W
- D: DOUT
View Answer
A
Q847: What happens to the DOUT line when CAS goes high during the FAST Mode Page Access?
- A: Data is latched
- B: Data is disabled
- C: Data is written
- D: Data is refreshed
View Answer
B
Q848: Which type of DRAM allows the next column address to be accessed before the current data is latched?
- A: Synchronous DRAM
- B: Extended Data Output (EDO) DRAM
- C: Fast Page Mode DRAM
- D: Mask ROM
View Answer
B
Q849: What type of memory stores data permanently and does not allow write operations?
- A: EPROM
- B: Mask ROM
- C: Flash Memory
- D: EEPROM
View Answer
B
Q850: Which type of ROM can be programmed by the user but only once?
- A: EPROM
- B: Mask ROM
- C: PROM
- D: EEPROM
View Answer
C