Digital Principles and System Design MCQs with answers Page - 21

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Q. What is memory decoding?

  • (A) the process of memory ic used in a digital system is overloaded with data
  • (B) the process of memory ic used in a digital system is selected for the range of address assigned
  • (C) the process of memory ic used in a digital system is selected for the range of data assigned
  • (D) the process of memory ic used in a digital system is overloaded with data allocated in memory cell

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Q. Which is not a removable drive?

  • (A) zip
  • (B) hard disk
  • (C) super disk
  • (D) jaz

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Q. In ROM, each bit combination that comes out of the output lines is called

  • (A) memory unit
  • (B) storage class
  • (C) data word
  • (D) address

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Q. How many address bits are required to select memory location in Memory decoder?

  • (A) 4 kb
  • (B) 8 kb
  • (C) 12 kb
  • (D) 16 kb

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Q. How memory expansion is done?

  • (A) by increasing the supply voltage of the memory ics
  • (B) by decreasing the supply voltage of the memory ics
  • (C) by connecting memory ics together
  • (D) by separating memory ics

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Q. IC 4116 is organised as

  • (A) 512 * 4
  • (B) 16 * 1
  • (C) 32 * 4
  • (D) 64 * 2

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Q. PLD contains a large number of

  • (A) flip-flops
  • (B) gates
  • (C) registers
  • (D) all of the mentioned

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Q. How many 1024 * 1 RAM chips are required to construct a 1024 * 8 memory system?

  • (A) 4
  • (B) 6
  • (C) 8
  • (D) 12

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Q. How many 16K * 4 RAMs are required to achieve a memory with a capacity of 64K and a word length of 8 bits?

  • (A) 2
  • (B) 4
  • (C) 6
  • (D) 8

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Q. Why antifuses are implemented in a PLD?

  • (A) to protect from high voltage
  • (B) to increase the memory
  • (C) to implement the programmes
  • (D) as a switching devices

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