Memory Devices – 144

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144. All rows in a 2118 dynamic RAM need to be refreshed ________.

(a) every second
(b) every millisecond
(c) every 50 milliseconds
(d) every 2 milliseconds

Answer

Answer : (d)

Explanation

Explanation : No answer description available for this question. Let us discuss.

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555555555550. How many flip-flops are in the 7475 IC? (a) 1 (b) 2 (c) 4 (d) 8
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555555555566. 3 × 101 + 7 × 100 is equal to ________. (a) 3.7 (b) 37 (c) 10 (d) 370
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Memory Devices - 37
555555555537. How many address bits are needed to select all memory locations in the 2118 16K × 1 RAM? (a) 8 (b) 10 (c) 14 (d) 16
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BJT - 39
555555555539. How many layers of material does a transistor have? (a) 1 (b) 2 (c) 3 (d) 4
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