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RRB JE (IT) :Computer Organisation Quiz 6

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Question 1

The RST 7 instruction in 8085 microprocessor is equivalent to:

Question 2

Two control signals in microprocessor which are related to Direct Memory Access (DMA) are

Question 3

In 8085 microprocessor, the ISR for handling trap interrupt is at which location?

Question 4

Consider the term “RET instruction” & choose which statement is not correct

Question 5

The Boolean expression $Description: E:\Gate\isro-cs\ISRO_CS_2008_files\image011.png$ simplifies to.

Question 6

In the expression A' (A'+B') by writing the first term A as A + 0, the expression is best simplified as

Question 7

XY flip-flop implemented using two NAND gates as shown in figure. The unusable state corresponds to

Question 8

The TRAP is one of the interrupts available in lNTEL 8085. Which one of the following statements is true of TRAP?

Question 9

What are the final values of Q₁ and Q₀ after 4 clock cycles, if initial values are 00 in the sequential circuit shown below:

Question 10

Minimum numbers of 16 K

4 memory chips required to construct 1 M

16 memory chip are

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