###### Engineering-Mathematics

October 25, 2023###### Research Aptitude

October 25, 2023# Nielit Scientist-B CS 22-07-2017

Question 30 |

**If each address space represents one byte of storage space, how many address lines are needed to access RAM chips arranged in a 4 x 6 array, where each chip is 8K x 4 bits?** 13 | |

14 | |

16 | |

17 |

**Question 30 Explanation:**

**Size of each Ram chip = 8K x 4 bits = 2**

Number of chips required = 6 x 4 = 24 = 5 bits

So, total number of bits required = 12 + 5 = 17 bits

^{3}x 2^{10}x 2^{2}⇒ 2^{15}bits = 2^{12}bytesNumber of chips required = 6 x 4 = 24 = 5 bits

So, total number of bits required = 12 + 5 = 17 bits

Correct Answer: D

**Question 30 Explanation:**

**Size of each Ram chip = 8K x 4 bits = 2**

Number of chips required = 6 x 4 = 24 = 5 bits

So, total number of bits required = 12 + 5 = 17 bits

^{3}x 2^{10}x 2^{2}⇒ 2^{15}bits = 2^{12}bytesNumber of chips required = 6 x 4 = 24 = 5 bits

So, total number of bits required = 12 + 5 = 17 bits

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