Discussion
Home ‣ Digital Electronics ‣ Memory and Storage Comments
- Question
Main computer memory is usually DRAM because of its high density and low cost; cache memory is usually SRAM because of its high speed.
Options- A. True
- B. False
- Correct Answer
- True
- 1. The address-decoding scheme for a 16K-byte EPROM memory system requires a 1-to-8-address decoder when 4K × 8 memory is used.
Options- A. True
- B. False Discuss
- 2. A burst refresh and a normal memory operation of a DRAM can be interspersed.
Options- A. True
- B. False Discuss
- 3. Assume an 8-bit serial in/parallel out shift register needs to be cleared but has no clear input. How many clock cycles are required before a zero applied to the input appears on the QH output?
Options- A. 1
- B. 7
- C. 8
- D. 9 Discuss
- 4. Shifting a binary number to the left by one position is equivalent to ________.
Options- A. multiplying by two
- B. multiplying by four
- C. dividing by two
- D. dividing by four Discuss
- 5. Assume a 4-bit parallel in/serial out shift register is loaded with a binary number. How many clock pulses are required after the parallel load has occurred before the first bit in the sequence appears on the serial output line?
Options- A. 0
- B. 1
- C. 2
- D. 3 Discuss
- 6. Testing and troubleshooting the decoding logic will not reveal problems with the memory chips and their connections to the CPU busses.
Options- A. True
- B. False Discuss
- 7. Fusible-link PROMs are programmed by removing the desired fuse links using a microscope and tweezers.
Options- A. True
- B. False Discuss
- 8. A ROM that allows the user to program data into the chip by permanently opening fusible links is the EPROM.
Options- A. True
- B. False Discuss
- 9. A group of 6 bits is also known as 1 byte.
Options- A. True
- B. False Discuss
- 10. RAMs must have a
input, in addition to data in.
Options- A. True
- B. False Discuss
Memory and Storage problems
Search Results
Correct Answer: True
Correct Answer: False
Correct Answer: 8
Correct Answer: multiplying by two
Explanation:
Shifting a binary number by one bit is equivalent to multiplying (when shifting to the left) or dividing (when shifting to the right) the number by 2.
Correct Answer: 1
Correct Answer: True
Correct Answer: False
Correct Answer: False
Correct Answer: False
Correct Answer: True
Comments
There are no comments.More in Digital Electronics:
Programming
Copyright ©CuriousTab. All rights reserved.