Discussion
Home ‣ Digital Electronics ‣ Memory and Storage Comments
- Question
What is the maximum time required before a dynamic RAM must be refreshed?
Options- A. 2 ms
- B. 4 ms
- C. 8 ms
- D. 10 ms
- Correct Answer
- 2 ms
- 1. How can UV erasable PROMs be recognized?
Options- A. There is a small window on the chip.
- B. They will have a small violet dot next to the #1 pin.
- C. Their part number always starts with a "U", such as in U12.
- D. They are not readily identifiable, since they must always be kept under a small cover. Discuss
- 2. One of the most important specifications on magnetic media is the ________.
Options- A. rotation speed
- B. tracks per inch
- C. data transfer rate
- D. polarity reversal rate Discuss
- 3. The bit capacity of a memory that has 2048 addresses and can store 8 bits at each address is ________.
Options- A. 4096
- B. 8129
- C. 16358
- D. 32768 Discuss
- 4. Which is not a removable drive?
Options- A. Zip
- B. Jaz
- C. Hard
- D. SuperDisk Discuss
- 5. How many 2K × 8 ROM chips would be required to build a 16K × 8 memory system?
Options- A. 2
- B. 4
- C. 8
- D. 16 Discuss
- 6. Dynamic memory cells store a data bit in a ________.
Options- A. diode
- B. resistor
- C. capacitor
- D. flip-flop Discuss
- 7. What is a multitap digital delay line?
Options- A. a series of inverter gates with RC circuits between each one
- B. a series of inverter gates with RL circuits between each one
- C. a series of NAND gates with RC circuits between each one
- D. a series of NAND gates with RL circuits between each one Discuss
- 8. How many 8 k × 1 RAMs are required to achieve a memory with a word capacity of 8 k and a word length of eight bits?
Options- A. Eight
- B. Four
- C. Two
- D. One Discuss
- 9. Which is not a hard disk performance parameter?
Options- A. Seek time
- B. Break time
- C. Latency period
- D. Access time Discuss
- 10. Which is not a magnetic storage device?
Options- A. Magnetic disk
- B. Magnetic tape
- C. Magneto-optical disk
- D. Optical disk Discuss
Memory and Storage problems
Search Results
Correct Answer: There is a small window on the chip.
Correct Answer: data transfer rate
Correct Answer: 16358
Correct Answer: Hard
Correct Answer: 8
Correct Answer: capacitor
Correct Answer: a series of inverter gates with RC circuits between each one
Correct Answer: Eight
Correct Answer: Break time
Correct Answer: Optical disk
Comments
There are no comments.More in Digital Electronics:
Programming
Copyright ©CuriousTab. All rights reserved.