Memory and Storage problems
- 1. A DIMM ________.
Options- A. is available in 30-pin or 72-pin packages
- B. has contact pins on only one side of the module
- C. has less memory than the newer SIMM modules
- D. has contact pins on both sides of the module for larger data paths Discuss
Correct Answer: has less memory than the newer SIMM modules
- 2. The 2147 4K × 1 static RAM contains 4096 storage locations storing one bit each. ________ 2147 RAM memory chip(s) is/are needed to configure an 8K × 8 memory.
Options- A. One
- B. Four
- C. Eight
- D. Sixteen Discuss
Correct Answer: Sixteen
- 3. The address space of a RAM memory can be expanded using a decoder and additional memory ICs. The output of the decoder should be connected to which input line of the memory?
Options- A. The most significant address inputs
- B. The most significant data inputs
- C. The read/write line
- D. The chip enable Discuss
Correct Answer: The chip enable
- 4. Information that is stored in a mask ROM ________.
Options- A. can be modified by using special equipment
- B. is stored by the manufacturer and cannot be changed
- C. is lost if power is interrupted
- D. can be modified by using special equipment and is lost if power is interrupted Discuss
Correct Answer: is stored by the manufacturer and cannot be changed
- 5. ROM access time is defined as ________.
Options- A. how long it takes to program the ROM chip
- B. being the difference between the READ and WRITE times
- C. the time it takes to get valid output data after a valid address is applied
- D. the time required to activate the address lines after the ENABLE line is at a valid level Discuss
Correct Answer: the time it takes to get valid output data after a valid address is applied
- 6. Dynamic memory is memory ________.
Options- A. that will maintain storage even if power is removed
- B. whose data can never be altered
- C. that must be refreshed periodically or it will lose storage
- D. that maintains storage as long as power is applied Discuss
Correct Answer: that must be refreshed periodically or it will lose storage
- 7. PROMs are programmed by ________ fuses.
Options- A. zapping
- B. blowing
- C. charging
- D. inputting Discuss
Correct Answer: zapping
- 8. The periodic recharging of dynamic RAM memory cells is called ________.
Options- A. reinstalling
- B. revitalizing
- C. refreshing
- D. reinstating Discuss
Correct Answer: refreshing
- 9. A(n) ________ is user programmable and can also be erased electronically and reprogrammed as often as desired.
Options- A. PROM
- B. ROM
- C. EEPROM
- D. EPROM Discuss
Correct Answer: EEPROM
- 10. Because 4096 = 212, a 4K × 1 RAM requires ________ address bits to access all locations.
Options- A. 4096
- B. 10
- C. 12
- D. 1024 Discuss
Correct Answer: 12
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