Discussion
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- Question
For the given circuit, what memory location is being addressed?
Options- A. 10111
- B. 249
- C. 5
- D. 157
- Correct Answer
- 249
- 1. The location of a unit of data in a memory array is called its ________.
Options- A. storage
- B. RAM
- C. address
- D. data Discuss
- 2. On a CD-ROM, ________ are raised areas representing a 1.
Options- A. mounds
- B. lands
- C. holes
- D. pits Discuss
- 3. Data is written to and read from the disk via a magnetic ________ head mechanism in the floppy drive.
Options- A. cylinder
- B. read/write
- C. recordable
- D. cluster Discuss
- 4. What is the major difference between SRAM and DRAM?
Options- A. DRAMs must be periodically refreshed.
- B. SRAMs can hold data via a static charge, even with power off.
- C. The only difference is the terminal from which the data is removed?from the FET Drain or Source.
- D. Dynamic RAMs are always active; static RAMs must reset between data read/write cycles. Discuss
- 5. Why do most dynamic RAMs use a multiplexed address bus?
Options- A. It is the only way to do it.
- B. to make it faster
- C. to keep the number of pins on the chip to a minimum Discuss
- 6. A 64-Mbyte SIMM is installed into a system, but when a memory test is executed, the SIMM is detected as a 32-Mbyte device. What is a possible cause?
Options- A. The memory module was not installed properly.
- B. The voltage on the memory module is incorrect.
- C. The most significant address line is stuck high or low.
- D. The address decoder on the SIMM is faulty. Discuss
- 7. Why are ROMs called nonvolatile memory?
Options- A. They lose memory when power is removed.
- B. They do not lose memory when power is removed. Discuss
- 8. How many address bits are needed to select all memory locations in the 2118 16K × 1 RAM?
Options- A. 8
- B. 10
- C. 14
- D. 16 Discuss
- 9. Eight bits of digital data are normally referred to as a:
Options- A. group.
- B. byte.
- C. word.
- D. cell. Discuss
- 10. How many 1K × 4 RAM chips would be required to build a 1K × 8 memory system?
Options- A. 2
- B. 4
- C. 8
- D. 16 Discuss
Memory and Storage problems
Search Results
Correct Answer: address
Correct Answer: lands
Correct Answer: read/write
Correct Answer: DRAMs must be periodically refreshed.
Correct Answer: to keep the number of pins on the chip to a minimum
Correct Answer: The address decoder on the SIMM is faulty.
Correct Answer: They do not lose memory when power is removed.
Correct Answer: 14
Correct Answer: byte.
Correct Answer: 2
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