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- Question
Which of the following best describes random-access memory (RAM)?
Options- A. a type of memory in which access time depends on memory location
- B. a type of memory that can be written to only once but can be read from an infinite number of times
- C. a type of memory in which access time is the same for each memory location
- D. mass memory
- Correct Answer
- a type of memory in which access time is the same for each memory location
- 1. A CD-R disk is created by applying heat to special chemicals on the disk and these chemicals reflect less light than the areas that are not burned, thus creating the same effect as a pit does on a regular CD.
Options- A. True
- B. False Discuss
- 2. What are the typical values of tOE?
Options- A. 10 to 20 ns for bipolar
- B. 25 to 100 ns for NMOS
- C. 12 to 50 ns for CMOS
- D. All of the above Discuss
- 3. What two functions does a DRAM controller perform?
Options- A. address multiplexing and data selection
- B. address multiplexing and the refresh operation
- C. data selection and the refresh operation
- D. data selection and CPU accessing Discuss
- 4. Which of the following memories is volatile?
Options- A. ROM
- B. EROM
- C. RAM
- D. Flash Discuss
- 5. The mask ROM is ________.
Options- A. MOS technology
- B. diode technology
- C. resistor-diode technology
- D. DROM technology Discuss
- 6. What is the meaning of RAM, and what is its primary role?
Options- A. Readily Available Memory; it is the first level of memory used by the computer in all of its operations.
- B. Random Access Memory; it is memory that can be reached by any sub- system within a computer, and at any time.
- C. Random Access Memory; it is the memory used for short-term temporary data storage within the computer.
- D. Resettable Automatic Memory; it is memory that can be used and then automatically reset, or cleared, after being read from or written to. Discuss
- 7. On a CD-ROM, ________ are recessed areas representing a 0.
Options- A. mounds
- B. lands
- C. holes
- D. pits Discuss
- 8. EEPROM stands for ________.
Options- A. encapsulated electrical programmable read-only memory
- B. elementary electrical programmable read-only memory
- C. electrically erasable programmable read-only memory
- D. elementary erasable programmable read-only memory Discuss
- 9. How many storage locations are available when a memory device has 12 address lines?
Options- A. 144
- B. 512
- C. 2048
- D. 4096 Discuss
- 10. A major disadvantage of the mask ROM is that it:
Options- A. is time consuming to change the stored data when system requirements change
- B. is very expensive to change the stored data when system requirements change
- C. cannot be reprogrammed if stored data needs to be changed
- D. has an extremely short life expectancy and requires frequent replacement Discuss
Memory and Storage problems
Search Results
Correct Answer: True
Correct Answer: All of the above
Correct Answer: address multiplexing and the refresh operation
Correct Answer: RAM
Correct Answer: MOS technology
Correct Answer: Random Access Memory; it is the memory used for short-term temporary data storage within the computer.
Correct Answer: pits
Correct Answer: electrically erasable programmable read-only memory
Correct Answer: 4096
Correct Answer: cannot be reprogrammed if stored data needs to be changed
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