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NVS Junior Secretariat Assistant (LDC) 2017 (S1)
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- 128
- 16
Answer (Detailed Solution Below)
Option 1 : 7
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Detailed Solution
Download Solution PDFThe correct answer is 7.
Key PointsSteps to calculate the required RAM:
- Step 1: calculate the length of the address in bits (n bits)
- Step 2: calculate the number of memory locations 2^n(bits)
- Step 3: take the number of memory locations and multiply it by the Byte size of the memory cells.
We can write 128 x 8 RAM chip as27x 8,every RAM chip will need a 7-bit address. We will connect the remaining 7-bit address line to every RAM.
Hence, the correct answer is 7.
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