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Three memory chips are of size 1 KB, 2 KB and 4 KB. Their address bus is 10 bits, What are the data bus sizes of the chips ?
  • a)
    8 bits, 16 bits and 24 bits respectively.
  • b)
    8 bits, 16 bits and 32 bits respectively.
  • c)
    8 bits, 16 bits and 64 bits respectively.
  • d)
    8 bits, 16 bits and 128n bits respectively
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Three memory chips are of size 1 KB, 2 KB and 4 KB. Their address bus ...
To determine the data bus sizes of the memory chips given their respective sizes and the address bus size, we need to consider the relation between address lines and data lines in memory chips.
For a memory chip, the number of address lines determines the number of memory locations it can address, while the number of data lines determines the number of different values it can store.
Given that the address bus size is 10 bits, each memory chip can address 2^10 = 1,024 memory locations.
Now, let's look at the data bus sizes of the individual memory chips:
  • The memory chip with a size of 1 KB (1 kilobyte) can address 1,024 memory locations. Since each memory location requires 1 byte of data, the data bus size of this chip is 8 bits.
  • The memory chip with a size of 2 KB (2 kilobytes) can address 2,048 memory locations. Similarly, since each memory location requires 1 byte of data, the data bus size of this chip is also 8 bits.
  • The memory chip with a size of 4 KB (4 kilobytes) can address 4,096 memory locations. Again, with each memory location requiring 1 byte of data, the data bus size of this chip is 8 bits.
Therefore, the correct answer is B: 8 bits, 16 bits, and 32 bits respectively.
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Three memory chips are of size 1 KB, 2 KB and 4 KB. Their address bus is 10 bits, What are the data bus sizes of the chips ?a)8 bits, 16 bits and 24 bits respectively.b)8 bits, 16 bits and 32 bits respectively.c)8 bits, 16 bits and 64 bits respectively.d)8 bits, 16 bits and 128n bits respectivelyCorrect answer is option 'B'. Can you explain this answer?
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