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Digital Electronics
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Memory and Storage
Comments
Question
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
Correct Answer
data transfer rate
Memory and Storage problems
Search Results
1. 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
Show Answer
Scratch Pad
Discuss
Correct Answer: 16358
2. Which is not a removable drive?
Options
A. Zip
B. Jaz
C. Hard
D. SuperDisk
Show Answer
Scratch Pad
Discuss
Correct Answer: Hard
3. 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
Show Answer
Scratch Pad
Discuss
Correct Answer: 8
4. Which of the following memories uses a MOS capacitor as its memory cell?
Options
A. SRAM
B. DRAM
C. ROM
D. FIFO
Show Answer
Scratch Pad
Discuss
Correct Answer: DRAM
5. Which of the following is normally used to initialize a computer system's hardware?
Options
A. Bootstrap memory
B. Volatile memory
C. External mass memory
D. Static memory
Show Answer
Scratch Pad
Discuss
Correct Answer: Bootstrap memory
6. 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.
Show Answer
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Discuss
Correct Answer: There is a small window on the chip.
7. 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
Show Answer
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Discuss
Correct Answer: 2 ms
8. Dynamic memory cells store a data bit in a ________.
Options
A. diode
B. resistor
C. capacitor
D. flip-flop
Show Answer
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Discuss
Correct Answer: capacitor
9. 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
Show Answer
Scratch Pad
Discuss
Correct Answer: a series of inverter gates with
RC
circuits between each one
10. 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
Show Answer
Scratch Pad
Discuss
Correct Answer: Eight
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