Memory and Storage problems
- 1. All rows in a 2118 dynamic RAM need to be refreshed ________.
Options- A. every second
- B. every millisecond
- C. every 50 milliseconds
- D. every 2 milliseconds Discuss
Correct Answer: every 2 milliseconds
- 2. When a computer is executing a program of instructions, the CPU will ________ memory locations as dictated by the program instructions.
Options- A. format
- B. scan
- C. store data into
- D. verify Discuss
Correct Answer: store data into
- 3. Read-only memory is memory ________.
Options- A. that has unlimited storage capacity
- B. whose data can never be altered by the user
- C. that must be refreshed periodically or it will lose storage
- D. that maintains storage as long as power is applied Discuss
Correct Answer: whose data can never be altered by the user
- 4. Floppy disks are organized into concentric rings called ________.
Options- A. tracks
- B. arrays
- C. sectors
- D. cells Discuss
Correct Answer: tracks
- 5. Information that is stored in an EEPROM ________.
Options- A. can be modified by performing a memory write operation
- B. is stored by the manufacturer and cannot be changed
- C. is lost if power is interrupted
- D. can be erased by applying high voltage to each storage location Discuss
Correct Answer: can be erased by applying high voltage to each storage location
- 6. The basic purpose of tristate or open-collector outputs on a memory is to ________.
Options- A. isolate devices connected to a common bus
- B. simplify the circuitry
- C. provide faster transitions of the output
- D. increase the output current Discuss
Correct Answer: isolate devices connected to a common bus
- 7. A ________ is user-programmable memory that cannot be erased and reprogrammed.
Options- A. ROM
- B. EPROM
- C. EEPROM
- D. PROM Discuss
Correct Answer: PROM
- 8. A device that needs constant refreshing to avoid losing data is a(n) ________.
Options- A. SRAM
- B. DRAM
- C. ROM
- D. EPROM Discuss
Correct Answer: DRAM
- 9. The checkerboard pattern test is used to test ________.
Options- A. ROM
- B. EEPROM
- C. FPLA
- D. RAM Discuss
Correct Answer: RAM
- 10. A type of memory that is accessed serially (one location after the other) is a ________.
Options- A. ROM
- B. read/write memory
- C. shift register
- D. PLD Discuss
Correct Answer: shift register
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